ToolForge

無料オンラインツール集、毎日新しいツールを公開

職業別ツール

プログラマー、デザイナー、教師、会計士、学生、EC、物流、フィットネス、建設、キャリア…あなたに合うツールを。

💻 開発者ツール · 42 🎨 デザイナーツール · 39 📚 教師ツール · 21 🧾 会計ツール · 57 🎓 学生ツール · 11 🛒 EC運営ツール · 11 🚚 物流ツール · 9 💪 フィットネスツール · 29 🏗️ 建設ツール · 125 💼 キャリアツール · 54 📱 コンテンツクリエイターツール · 13 🍼 子育てツール · 5 📷 写真ツール · 9 🗣️ 語学ツール · 15 🎵 音楽家ツール · 10 ⚖️ 法務ツール · 5 🎮 ゲーマーツール · 8

カラー

色変換・コントラスト・パレット関連ツール

コントラスト比チェッカーColor contrast checker: calculate contrast per WCAG 2.1 and AA/AAA pass with picker and replacement suggestions for accessible design. 色 HSL/HSV 変換ツールColor HSL converter: convert between HEX, RGB, HSL and HSV with live preview for frontend and design, one-click copy and offline. カラーミキサーColor mixer: blend two colors by ratio with gradient preview, supports HEX/RGB/HSL conversion and scale generation for palettes. 色名検索ツールColor name finder: enter HEX to find closest common color names like red and blue among 48 for design and palettes, with one-click copy and offline. 色の明暗調整ツールColor shade adjuster: lighten or darken a HEX color by percentage with live preview for design and UI states, one-click copy and offline. HEX 透明度→RGBA 変換HEX opacity converter: convert HEX color with opacity percentage to RGBA code with live preview for web and design, with one-click copy and offline. HEX→CMYK 変換ツールHEX to CMYK: enter HEX to get CMYK and RGB with picker and copy for print and design. Supports batch processing and one-click copy, offline use. HEX → RGB/HSL 変換HEX to RGB converter: enter hex color value to instantly convert to RGB, HSL and RGBA codes with preview for design and frontend, with one-click copy and offline. アクセシブルカラー生成器Random accessible color: generate random foreground background pairs meeting WCAG contrast with score, lock and bulk for design accessibility, with with one-click. RGB → HEX 変換RGB to HEX: enters RGB values to get HEX and HSL codes with preview. For design. Supports batch processing, export and one-click copy, offline use. ウェブセーフカラーファインダーWeb safe colors tool: enter HEX to find nearest web-safe color and browse 216-color palette for legacy display support, with one-click copy and offline.

エンコード・デコード

エンコード・デコード・暗号化・ハッシュ・エスケープなどの変換ツール

Base58 エンコーダー/デコーダーBase58 codec tool: support Base58 encoding and decoding for Bitcoin address format for development and blockchain, with one-click copy, offline. Base64 エンコード/デコードOnline Base64 encode and decode: supports text, URL and images with full UTF-8 including Chinese. Import files, batch process and one-click copy for dev and data transfer. HEX エンコード/デコードと16進ダンプHex converter: support text and hex conversion with offset and ASCII hex dump viewer for development and debugging, with one-click copy and offline. JWT デコーダーJWT decoder: decodes JWT header and payload via Base64Url to JSON locally. For auth debugging. Supports batch processing, export and one-click copy, offline use. SHA ハッシュ計算機SHA hash calculator: compute SHA-1, SHA-256 and SHA-512 hashes for file verification and learning, with one-click copy and offline. URL エンコード/デコードURL encode decode tool: support URL encoding and decoding with special characters and bulk for development, with one-click copy, offline. URL パラメータ解析/生成URL params parser: parse query string to JSON and table handling repeats and encoding or generate back for development, with one-click copy and offline. ヴィジュネル暗号ツールVigenere cipher tool: encrypt and decrypt text by key with case preserve for learning and fun, with one-click copy, offline.

変換

単位・進数・文字コードなどの変換ツール

金融

ローン計算・利息・資産運用関連ツール

100日貯金チャレンジ100 day savings challenge: generate plan and total by 1-100 incremental savings with progress visualization for habit and finance, with one-click with one-click. 52週間貯金チャレンジSave progressively each week for a year with a full weekly plan, average and total. Supports batch processing and one-click copy, offline use. Advance Salary CalculatorAdvance salary calculator: enter advance amount, months and monthly rate to get EMI, total repayment and interest for employees and HR, multilingual. Africa Income Tax EstimatorAfrica income tax estimator: enter annual income and rate to estimate tax and take-home for African countries, multilingual. Africa Mobile Money CalculatorAfrica mobile money calculator: enter amount and fee to get fee and net for M-Pesa/Airtel, multilingual. ローン返済計画表Amortization schedule generator: create monthly payment breakdown and chart from amount, rate and term for mortgage and finance, with one-click copy, offline. APR/APY変換器Convert between APR and APY with different compounding frequencies. Converts APY and APR with compounding frequency. Supports batch processing and one-click copy. Australia Medicare Levy CalculatorAustralia Medicare Levy Calculator: enter key parameters for quick estimate, built for overseas users. Australia Payg Withholding CalculatorAustralia Payg Withholding Calculator: enter key parameters for quick estimate, built for overseas users. Australia Super CalculatorAustralia super calculator: enter salary to compute 12% Super Guarantee for Australia. Bahrain Vat CalculatorBahrain Vat Calculator: enter key parameters for quick estimate, built for overseas users. 割り勘計算機Bill splitter calculator: get per person share from total and count with tip and tax for dining and AA, with one-click copy, offline. 金融 · 197 個のツール →

テキスト

文字数カウント・エンコード・整形などのテキストツール

頭文字ジェネレーターAcronym generator: convert phrases to acronyms with multi-style and readability score for branding, with one-click copy, offline and multilingual. 行番号追加ツールAdd line numbers to text with a custom start and separator. Adds line numbers with custom start and separator for code and docs. Atbash暗号変換Atbash cipher tool: encrypt and decrypt by reverse alphabet substitution with case preserve for learning and fun, with one-click copy, offline. 点字変換ツールBraille translator: convert between English, numbers, pinyin and Unicode braille dots, supports Grade 1, letters, numbers and punctuation for accessibility learning. 丸文字ジェネレーターBubble text generator: convert text to circle and bubble effect fonts with multiple styles for social and nicknames, with one-click copy and offline. 文字頻度カウンターCharacter frequency counter: count letters and words in real time with sorting for writing, with one-click copy and offline. メールアドレス抽出ツールEmail extractor: paste text to extract all email addresses with dedup, sorting and CSV export for marketing and data cleaning. 絵文字カウント・削除Emoji counter and remover: count emojis in text with list or remove them for clean copy with count for social and data cleaning, with one-click copy and offline. 装飾文字ジェネレーターFancy text generator: convert plain text to stylish Unicode fonts with copy and social compatibility check for bios and headings. 検索・置換ツールFind and replace: paste text to batch find and replace by keyword with regex, case and whole word for text cleaning and editing. キーワード密度チェッカーKeyword density checker: count occurrences, density and frequency per 100 words for keywords with SEO tips, one-click copy, offline and multilingual. リート語変換器Leetspeak converter: convert between English and leet with multiple strength levels and custom mapping for fun and password ideas. テキスト · 37 個のツール →

開発

JSON・正規表現・CSV などの開発者向けツール

ASCII コード表ASCII table tool: lookup char decimal, hex and binary with search and copy for development and learning, with one-click copy, offline. Base32 変換ツールBase32 converter tool: support Base32 encoding and decoding with padding and bulk for development, with one-click copy, offline. Base64 画像プレビューBase64 image viewer: paste a Data URL or raw Base64 to preview the image locally with estimated size. Nothing is uploaded. Ideal for frontend debugging. Brazil CPF ValidatorBrazil CPF validator: enter 11-digit CPF to validate for Brazil, multilingual. Brazil PIX Key ValidatorBrazil PIX validator: enter CPF/CNPJ/email/phone/random key to validate PIX format for Brazil. 円錐グラデーションジェネレーターConic gradient generator: adjust angle, stops and center with live preview and CSS copy, animated for front-end gradien Supports batch processing and one-click copy. クレジットカード番号検証Credit card validator: validate numbers with Luhn and detect Visa and Mastercard for payments and fraud prevention, with one-click copy and offline. cron式ジェネレーターCron generator: visually pick minute/hour/day/month/week to build Cron, parse and preview next runs for scheduling and DevOps. 暗号資産アドレス検証Crypto address validator: validate BTC/ETH and multi-chain formats with checksum, chain hints and error tips before transfers. CSSイージングジェネレーターCSS easing generator: visually adjust cubic-bezier curve to generate transition code with live preview for frontend and animation, with one-click copy and offline. CSS 詳細度計算機CSS specificity calculator: enter any selector to get specificity a,b,c with priority and override explanation for frontend debugging, one-click copy and offline. CSS単位コンバーターCSS units converter: convert px, rem, em, vw/vh and % by base font with responsive preview for front-end layouts. Supports batch processing and one-click copy. 開発 · 66 個のツール →

生成

パスワード・UUID・乱数などの生成ツール

ASCIIアートジェネレーターTurn A-Z and 0-9 text into large 5-row ASCII art instantly, with one-click copy. Ideal for nicknames, signatures and posts. Latin letters and digits only. 会社名ジェネレーターBusiness name generator: generate tech and classic style candidates from keywords with filtering for startups, with one-click copy and offline. ランダムトランプ配りCard deck dealer: shuffle and deal from 52 cards without duplicates, custom players and counts. Supports batch export, one-click copy and sharing. 中国身分証番号の検証・生成China ID card validator: validate 18-digit format rules including region and checksum for development and testing, with one-click copy and offline. コイントスCoin flip: simulate fair coin toss, multiple flips and stats with custom heads/tails labels and history for draws and probability demos. サイコロ振りDice roller: roll 1-20 dice with multiple sides automatically summing total for board games, with one-click copy and offline. EAN-13 バーコード生成機EAN-13 barcode generator: enter 12 digits to calculate check digit and generate printable barcodes for retail and inventory, with one-click copy and offline. 英語名前ジェネレーターEnglish name generator: generate names by gender, style and initial with meaning and pronunciation, with favorites and copy for naming and characters. ランダム個人情報生成Fake person generator: generate complete profiles with name, gender, age, email, phone, city and job for testing and demo data, with one-click copy and offline. IMEI 検証・生成IMEI generator and validator: validate and generate 15-digit IMEI codes with Luhn check digit for testing and device management, with one-click copy and offline. Latin Declension GeneratorLatin declension generator: stem plus 1st/2nd/3rd declension for a full singular and plural case table. ソフトウェアキー生成器License key generator: create software license keys by pattern with grouping, checksum and batch export for dev testing and licensing. 生成 · 39 個のツール →

計算機

日常計算機・パーセント・BMI など

日時

年齢・日付差・タイムスタンプなどのツール

年齢計算機Online age calculator: enter birthdate to get exact age in years/months/days, total days/hours, next birthday countdown, zodiac with Gregorian/lunar support. 年齢差計算機Calculate the difference between two dates in years, months and days. Calculates age gap in years/months/days with leap year support. オンライン目覚ましOnline alarm clock tool: set time and ringtone with fullscreen and background alert for daily and work reminders, with one-click copy, offline. 2進時計Binary clock tool: show real-time binary clock with multi-format and learning mode for study and geek, with one-click copy, offline. 誕生日カウントダウンBirthday countdown tool: get countdown and age from birthday with reminders for wishes and anniversaries, with one-click copy, offline. カウントダウンタイマーCountdown timer: set hours/minutes/seconds with fullscreen, sound alerts and loop for exams, workouts and presentations Supports batch processing and one-click copy. 日付加減計算Date add/subtract tool: add or subtract days, weeks and months from a date handling month-end and leap years for scheduling, with one-click copy and offline. 日付カウントダウンDate countdown: pick target date to get remaining days, hours and minutes with holiday and anniversary reminders for planning. 日付差計算機Date difference calculator: count days, weeks, months, business and weekend days between dates with auto order handling, one-click copy and offline. 日付フォーマット変換ツールDate format converter: enter date to convert to ISO, US, EU, RFC and timestamp with bulk for development and data, with one-click copy and offline. 日付情報ツールDate info calculator: enter date to get weekday, leap year, day of year and quarter with holiday marks for calendar and work planning. Excel 日付シリアル変換Excel date converter: convert between Excel serial numbers and dates 1900 system with bulk and formatting for office data, with one-click copy and offline. 日時 · 28 個のツール →

画像

ネットワーク

IP・DNS などのネットワークツール（準備中）

データプラン時間計算機Data plan calculator: estimate monthly remaining, overage and plan recommendations by daily usage and quota with multi-plan comparison. MAC アドレス生成・検証ツールMAC address generator: generate valid MAC addresses or validate format supporting colon and hyphen for networking, with one-click copy and offline. 通信速度換算機Network speed converter: convert between Mbps, Gbps, MB/s and GB/s to see broadband download speed for networking and testing, with one-click copy and offline. ポートサービス検索ツールPort lookup tool: enter port number to quickly find common services and protocols like HTTP, SSH, FTP for networking and ops, with one-click copy and offline. ランダムIP生成機Random IP generator: bulk generate random IPv4 or IPv6 addresses excluding private ranges with custom count for network testing, with one-click copy and offline.

数学

進数変換・乱数などの数学ツール

24 点計算機24 game: create 4 numbers to make 24 with solutions and hints, multi-difficulty and timer for math and brain training, with one-click copy, offline. 等差数列計算機Calculate the nth term and sum of an arithmetic series. Calculates sum, nth term and average for arithmetic series. Supports batch processing and one-click copy. 2進数計算機Binary calculator: support binary add subtract multiply divide and bitwise with decimal view for learning and dev, with one-click copy, offline. 円計算機（面積/円周）Circle calculator: calculate area, circumference and diameter from radius, diameter or circumference for learning, with one-click copy and offline. 複素数計算機Complex number calculator: add, subtract, multiply and divide complex numbers with magnitude and conjugate, showing a+bi with polar view for math, one-click copy. 信頼区間計算機Confidence interval calculator: calculate interval from sample mean and size at 90/95/99% for statistics, with one-click copy and offline. 相関係数計算機Correlation coefficient: enter two datasets to get Pearson and Spearman with significance, scatter plot and regression for analysis. 小数→分数計算機Decimal to fraction converter: convert decimals to simplest fractions and mixed numbers with repeating detection for math, with one-click copy and offline. 希釈計算機Dilution calculator: calculate stock volume and solvent by C1V1=C2V2 with molarity and percent for lab and reagent preparation. 2点間距離計算機Distance between points: enter two points to get straight distance, midpoint and slope in 2D and 3D with unit conversion for math and surveying. 階乗計算機Factorial calculator: calculate n! with digit count supporting 0-170 using scientific notation for larger with tips for math, with one-click copy and offline. フィボナッチ数列計算機Fibonacci calculator: generate sequence, get Nth term and sum by count with fast matrix and big integers for math and algorithms. 数学 · 53 個のツール →

その他

その他の便利な小ツール

2048 ゲームPlay 2048 online: merge number tiles with arrow keys or swipe to reach 2048. Supports keyboard and touch, score and best record, offline play. アクティビティアイデアジェネレーターGenerate activity ideas for weekends, dates and family. Generates ideas by scene, people and duration with save and sha Supports batch processing and one-click copy. 惑星年齢計算機Age on planets calculator: get age on planets from Earth birthday with next birthday for science and fun, with one-click copy, offline and multilingual. アルコール濃度計算機Calculate alcohol by volume (ABV) from original and final gravity. Calculates ABV from OG and FG with calories. Supports batch processing and one-click copy. 体感温度計算機Compute heat index or wind chill from temperature and conditions. Calculates wind chill and heat index from temp, humidity and wind. Aquarium Substrate CalculatorAquarium substrate: tank size and depth for sand/gravel/aquasoil kilograms, pounds, 5kg bags and cost. cm/in supported. 水槽容積計算機Aquarium volume calculator: get volume, water and glass thickness from dimensions with unit conversion for fish keeping, with one-click copy, offline. AWG 線径計算機Convert AWG wire gauge to diameter, area and resistance. Calculates diameter, area, resistance and ampacity by AWG. Supports batch processing and one-click copy. 電池情報チェッカーBattery info detector: check level, charging status, health and estimated runtime in real time, with discharge estimate and reminders. Works in browsers supporting Battery API. 電池持続時間計算機Battery life calculator: get runtime from capacity and consumption with multi-device compare for purchase and use, with one-click copy, offline. 血液アルコール濃度計算機Blood alcohol calculator: estimate BAC from weight, drinks and time with legal standard for safety and health, with one-click copy, offline. 血圧分類Blood pressure category tool: get category from systolic and diastolic with advice for health and monitoring, with one-click copy, offline. その他 · 115 個のツール →

開発者ツール

プログラマー向けの開発・デバッグツール

デザイナーツール

デザイナー向けの配色・レイアウト・画像ツール

ランダムアバター生成Avatar generator: create cartoon avatars from name or random with style, size and background for social and dev, with one-click copy, offline. 有機形状生成Blob maker: customize random blob shapes with color and animation export for design and backgrounds, with one-click copy, offline. 角丸 CSS 生成Border radius generator: adjust four corners with live preview generating border-radius code for design, with one-click copy and offline. Box Shadow 生成機CSS box-shadow generator: adjust horizontal, vertical offset, blur, spread and color opacity with live preview and copy for design, with one-click copy and offline. クリップパスジェネレーターClip-path generator: visually drag polygon, circle and ellipse clipping with live preview and code copy, responsive and animated for front-end layouts. オンライン取色器Color picker: pick via HSL sliders or HEX, instantly shows HEX/RGB/HSL with one-click copy. For design and frontend. Supports batch processing and offline use. 配色スキーム生成Color scheme generator: generate complementary and triadic palettes from a base color with HEX output for design and branding, with one-click copy and offline. CSS アニメーションジェネレーターCSS animation generator: pick animation type, duration and easing to generate keyframes code with live preview for frontend, with one-click copy and offline. CSS フィルタージェネレーターCSS filter generator: adjust blur, brightness, contrast and hue with live preview and code copy for image effects. Supports batch processing and one-click copy. CSS グラデーション生成機CSS gradient generator: pick colors, angle and linear/radial type with live preview and one-click copy of CSS for frontend and design, offline and multilingual. CSS Grid ジェネレーターCSS grid generator: set columns, rows and gap to generate grid layout code with live preview for web and responsive design, with one-click copy and offline. イージング曲線ビジュアライザーEasing visualizer: pick from 8 easings (ease, linear, ease-in-out, bounce…) for an instant SVG curve plus paste-ready CSS value, with one-click copy. デザイナーツール · 39 個のツール →

教師ツール

教師向けの教材作成・出題・授業管理ツール

出席率計算機Attendance calculator: get attendance rate from required and actual with level and tips for attendance and HR, with one-click copy, offline. 表彰状生成Award generator: customize title, name and award to create certificates with print and download for recognition, with one-click copy, offline. ビンゴカード生成Bingo generator: create bingo cards from word list with print and online play for teaching and events, with one-click copy, offline. 月間カレンダー生成Month calendar generator: pick any year and month to generate a calendar with weekdays and holidays, with print and export, one-click copy and offline. ディクテーション生成器Dictation generator: enter one "word,meaning" per line for an instant student sheet (words only) plus teacher answer key, generated locally. Copy and print. 分数の約分と帯分数変換Fraction simplifier: enter numerator and denominator to reduce to lowest terms and convert to mixed numbers and decimals for math, one-click copy and offline. 成績百分率・等級計算機Grade calculator: enter assignments, midterm and final weights to get current total and required scores with grade bands for students. グループ分割ツールGroup generator: enter list to randomly group by size or count with dedup and balancing for classes and activities. Supports batch processing and one-click copy. 田字格練習用紙生成器Hanzi grid generator: enter Chinese characters (up to 50) for an instant tianzi-grid practice sheet in 3 sizes, with copyable HTML for printing. 数学ドリル生成Math quiz: generate random arithmetic problems by difficulty with timer and score for student practice and speed. Supports batch processing and one-click copy. 暗算練習生成器Math worksheet generator: create arithmetic worksheets by grade and type with printable sheets and answers for teachers and parents. 暗算トレーニングMental math: generate random arithmetic problems with timer and accuracy stats for speed and brain training. Supports batch processing and one-click copy. 教師ツール · 21 個のツール →

会計ツール

会計・財務向けの税務・減価償却・請求書ツール

Australia Fbt CalculatorAustralia Fbt Calculator: enter key parameters for quick estimate, built for overseas users. Bangladesh Income Tax CalculatorBangladesh Income Tax Calculator: enter key parameters for quick estimate, built for overseas users. 預金利息計算機Bank interest calculator: get simple and compound interest from principal, rate and term with breakdown for savings, with one-click copy, offline. Brazil 13th Salary CalculatorBrazil 13th Salary Calculator: enter key parameters for quick estimate, built for overseas users. 損益分岐点計算機Break-even calculator: calculate break-even units and revenue from fixed cost and price with chart for pricing, with one-click copy and offline. Chile Impuesto Unico CalculatorChile Impuesto Unico Calculator: enter key parameters for quick estimate, built for overseas users. 中国給与所得税計算機China salary tax calculator: calculate income tax from salary, insurance and deductions using progressive rates for payroll, one-click copy and offline. 人民元金額の大文字変換Chinese amount uppercase converter: convert numbers to standard financial uppercase for invoices and contracts, with one-click copy and offline. Colombia Prima CalculatorColombia Prima Calculator: enter key parameters for quick estimate, built for overseas users. Denmark Income Tax CalculatorDenmark Income Tax Calculator: enter key parameters for quick estimate, built for overseas users. 固定資産減価償却計算機Depreciation calculator: calculate depreciation with straight-line and sum-of-years methods with yearly schedule for accounting, with one-click copy and offline. Digital Nomad Tax CalculatorDigital Nomad Tax Calculator: enter key parameters for quick estimate, built for overseas users. 会計ツール · 57 個のツール →

学生ツール

学生向けの学習・試験・効率化ツール

CGPA to Percentage CalculatorCGPA to percentage: enter CGPA and scale to get percentage and grade with 9.5 or 10 multiplier for Indian students, multilingual. 引用ジェネレーターCitation generator: create APA, MLA, Chicago and GB/T 7714 references for books, journals and web with DOI auto-fill and batch export for papers. 試験カウントダウンExam countdown: set exam date to show remaining days, hours and study plan with multi-subject and reminders for exam pr Supports batch processing and one-click copy. 期末試験必要点数計算機Final grade calculator: enter current scores, weights and target to get required final exam score and grade for student Supports batch processing and one-click copy. GPA 計算機GPA calculator: calculate weighted GPA from grades and credits supporting 4.0/5.0 scales with conversion for students, with one-click copy and offline. GPA 制度換算器GPA scale converter: convert between 4.0/5.0 and percentage with credit-weighted GPA and multi-term cumulative for study abroad. ポモドーロタイマーPomodoro timer: focus 25 minutes and break 5 minutes with auto switch and alerts supporting custom durations for study and work, with one-click copy and offline. 記憶復習プラン生成器Review schedule: enter a start date and pick Ebbinghaus (days 1/2/4/7/15/30), weekly (3/7/14/30) or custom (1/3/5/7) plan for an instant review-date list with one-click copy. 統計計算機（平均/中央値/標準偏差）Statistics calculator: compute sum, mean, median, mode, variance and deviation with chart for analysis, with one-click copy and offline. 学習時間計算機Study time calculator: allocate daily study time by subject and goal with progress tracking for exam prep, with one-click copy, offline and multilingual. 文字数カウンターWord count tool: count characters, words and paragraphs with reading time and keywords for writing and editing, with one-click copy, offline.

EC運営ツール

EC運営向けのプロモーション・コンバージョン・価格設定ツール

客単価計算機AOV calculator: get average order value from total sales and orders with trend for e-commerce and operations, with one-click copy, offline. コミッション計算機Commission calculator: get commission by sales, tiered rates and fixed bonus with tier comparison and net pay for sales incentives. コンバージョン率計算機Conversion rate calculator: compute CTR, conversion rate and AOV from impressions and clicks for e-commerce, with one-click copy and offline. 割引計算機Discount calculator: calculate sale price from original or reverse to original quickly showing savings and final price for shopping, with one-click copy and offline. コンバージョンファネル計算機Funnel calculator: enter stage counts to get conversion rates, drop-off and overall conversion with funnel chart for ops and sales. 粗利率/掛け率計算機Gross margin calculator: enter revenue and cost to get gross profit, margin and markup with multi-product comparison for pricing. パーセント計算機Percentage calculator: four modes for share, value, change and reverse total with live formula for daily use, with one-click copy, offline and history. 割引計算機Promo discount calculator: calculate final price and discount ratio for spend X save Y for e-commerce, with one-click copy and offline. Quotation GeneratorQuotation generator: fill client, line items, tax and validity to get a professional quotation text with copy and print for sales and e-commerce, multilingual. 返品率計算機Return rate calculator: get total and annualized return from start, end values and time with multiple cash flows for investment evaluation, with with one-click. 単価比較計算機Unit price compare calculator: get unit price from price and quantity with cost comparison and savings for shopping, with one-click copy, offline.

物流ツール

物流・倉庫向けの容積重量・積載計算ツール

コンテナ積載計算機Container loader: enter carton size and weight to estimate CBM and loads for 20GP/40GP/40HQ. For trade. Supports batch processing, export and one-click copy. CBM 体積計算機CBM calculator: calculate single and total volume from dimensions and quantity for logistics, with one-click copy and offline. お届け予定日計算機Delivery date calculator: estimate arrival from order date and shipping days excluding weekends for e-commerce, with one-click copy and offline. 宅配便料金計算機Express freight calculator: calculate delivery cost from first and additional weight with custom prices for e-commerce, with one-click copy and offline. 在庫回転率計算機Inventory turnover calculator: calculate turnover ratio and days from COGS and inventory with tips for warehouse and finance, with one-click copy and offline. パレット積載計算機Pallet calculator: get per-layer and per-pallet count from box and pallet size with stacking for logistics, with one-click copy, offline and history. Shipping Cost CalculatorShipping cost calculator: enter weight, distance and rate to get shipping cost for cross-border e-commerce and logistics, multilingual. 容積重量計算機Volumetric weight: enters dimensions and weight to compute dimensional and billable weight. Supports batch processing, export and one-click copy, offline use. 容積重量計算機Volumetric weight calculator: enter parcel dimensions to compare air (÷5000), express (÷6000) and sea (÷4000) divisors against actual weight for the chargeable weight. cm/in supported, copy and offline ready.

フィットネスツール

トレーナー・愛好者向けのトレーニング・脂肪燃焼ツール

運動カロリー計算機Estimate calories burned for common activities using MET values. Estimates calories by activity, duration and weight for fat loss. BMI 計算機BMI calculator: get BMI, BMI Prime, category and healthy range in metric or imperial with gauge for fitness, with one-click copy, offline and multilingual. 基礎代謝 (BMR) 計算機オンライン基礎代謝率計算機：メートル/ヤードポンド単位に対応。Mifflin-St Jeor と Harris-Benedict の式で BMR、TDEE、BMI、減量・増量アドバイスを算出し、科学的な体重管理を支援します。体脂肪率計算機Body fat calculator: based on US Navy and BMI formulas, enter height, weight and waist/hip to estimate body fat %, fat mass and health category. 体表面積計算機BSA calculator: calculate body surface area from height and weight using Mosteller formula for medical, with one-click copy and offline. 1日のカロリー計算機Daily calorie calculator: estimate maintenance calories from gender, age, height, weight and activity with tips for fitness, one-click copy and offline. カロリー不足計算機Calorie deficit calculator: enter maintenance calories, deficit and weight to estimate daily intake, weekly fat loss rate and time to goal with macro split for dieting. サイクリング消費カロリー計算機Cycling calories: estimates calories, power and fat burn by weight, time, speed and intensity with metric/imperial. Supports batch processing and one-click copy. 脂肪燃焼心拍数計算機Fat burn zone: get max heart rate and fat burn/cardio zones by age and resting HR with charts and training tips for fat loss and cardio. 心拍予備能計算機Heart rate reserve: get reserve range and target HR by max and resting HR with Karvonen formula for training intensity. Supports batch processing and one-click copy. 心拍数ゾーン計算機Heart rate zones: divide into five zones by age and resting HR with charts and training tips for cardio and fat burn. Supports batch processing and one-click copy. 理想体重計算機Ideal weight calculator: uses Devine, Robinson, Miller formulas and BMI to compute ideal range. Supports batch processing, export and one-click copy, sharing. フィットネスツール · 29 個のツール →

建設ツール

建設向けの勾配・材料数量計算ツール

Aggregates & Groundworks EstimatorAggregates estimator: enter volume, area or holes to estimate ballast, sand, shingle, hardcore, postcrete, blocks, paving, screed, self-leveller, render and asphalt with UK-standard coverage, waste and cost. Air Brick CalculatorAir brick calculator: wall length at 1.8m spacing for 215×65mm underfloor ventilation bricks. Angle Bead CalculatorAngle bead calculator: enter corner count and height for 2.4m galvanised beads and cost. Waste and price supported. Architrave CalculatorArchitrave calculator: door count for 70mm 2.1m sticks at 3 per door plus mitre waste. Arris Capping CalculatorArris capping calculator: fence length for 75×75 2.4m capping lengths with mitre waste. Asphalt Driveway CalculatorAsphalt calculator: driveway dimensions and depth for tonnage at 2.4t per m³, volume, truck loads and bags. Flush Back Box CalculatorFlush back box selector: gangs, wall type and available depth for dry-lining or 25/35mm metal box plus cut-out size. Tile Backer Board CalculatorBacker board calculator: area for 1200×600×12mm boards plus screws with cutting waste. Ballast CalculatorBallast calculator: pour volume for 20mm all-in ballast tonnes in 850kg bulk bags plus cement mix guide. Kitchen Base Unit CalculatorBase unit calculator: total run for a mix of standard 1000/800/600/500/400mm cabinets, door count and filler width. Bath Water & Heating CalculatorBath calculator: pick a standard UK tub size and fill level for full capacity, water used in litres and the kWh needed to heat it. Check your boiler or cylinder can cope. Bathroom & Kitchen EstimatorBathroom and kitchen estimator: enter counts, lengths or area to estimate WCs, basins, trays, baths, enclosures, worktops, sinks, taps, valves, copper and waste pipes, radiators and underfloor heating with UK sizes, waste and cost. 建設ツール · 125 個のツール →

キャリアツール

社会人向けの給与・勤怠・キャリアツール

コンテンツクリエイターツール

クリエイター向けのプラットフォームサイズ・タイトル・ハッシュタグツール

ハッシュタグ生成Hashtag generator: enter keywords to generate viral hashtags for Xiaohongshu and Instagram. Supports batch processing, export and one-click copy with sharing. Meta タグジェネレーターMeta tag generator: creates title, description, keywords and Open Graph tags for SEO with preview. Supports batch processing, export and one-click copy, offline use. OG 画像ジェネレーターOG image generator: enter title and subtitle to generate 1200x630 social share image and download as PNG for social media, with one-click copy and offline. プラットフォーム画像サイズPlatform image size lookup: covers Douyin, Kuaishou, Xiaohongshu, YouTube specs. Supports batch processing, export and one-click multilingual copy. ナレーション時間計算機Script reading time calculator: get speaking time from word count and speed with paragraph estimate for hosting and dubbing, with one-click copy, offline. SNS共有カードプレビューSocial card preview: simulate WeChat, Facebook and Twitter share card effects for marketing, with one-click copy and offline. SNS情報抽出ツールSocial tag extractor: extract hashtags and mentions from text with frequency and dedup for social media and content, with one-click copy, offline and multilingual. 字幕フォーマット変換ツールSRT to VTT converter: upload SRT to get WebVTT with timestamp and style handling for video captions and web playback. Supports batch processing and one-click copy. 字幕タイムライン計算機Subtitle timing tool: enter total duration and line count to evenly split times and generate SRT codes for video subtitling, with one-click copy and offline. タイトル文字数最適化Title optimizer: check title length against platform limits like Douyin and suggest improvements for clicks and exposure, with one-click copy and offline. 動画フレーム数計算機Video frame calculator: get total frames and duration from time and fps with bitrate estimate for editing, with one-click copy, offline. 動画倍速視聴時間計算機Video playback calculator: calculate watch time from duration and speed or find required speed for courses, one-click copy and offline. コンテンツクリエイターツール · 13 個のツール →

子育てツール

子育て中の方向けの月齢・予防接種ツール

赤ちゃん月齢計算機Baby age calculator: get months, days and milestones from birth date with growth chart for parenting, with one-click copy, offline and multilingual. 子供の成人身長予測Child height prediction: predict adult height range from parents height with genetic formula, gender and bone age correction plus growth curve for pediatrics. 妊娠週数計算機Gestational age calculator: get weeks, days and due date by last period or ultrasound with fetal development reference for prenatal care. 妊娠中体重増加推奨計算機Pregnancy weight gain guide: get total and weekly gain ranges from pre-pregnancy BMI for maternal health, one-click copy and offline. 予防接種スケジュールVaccine schedule tool: reference for 0-6 year immunization including hepatitis B and polio months for parents, with one-click copy and offline.

写真ツール

カメラマン向けの被写界深度・露出計算ツール

絞り比較計算機Compare two f-stops: stops apart and light ratio - for exposure and depth of field. Supports batch processing and one-click copy, offline use. クロップ係数計算機Crop factor calculator: calculate crop factor and 35mm equivalent from sensor size for photography, with one-click copy and offline. 被写界深度計算機Depth of field calculator: enter focal length, aperture, distance and sensor to get DoF, hyperfocal and CoC for photography and lens choice. 露出計算機Exposure calculator: calculate EV and equivalent combinations from aperture, shutter and ISO for photography, with one-click copy and offline. 過焦点距離計算機Hyperfocal distance: get hyperfocal and DoF range by focal length, aperture and sensor for landscape and panorama focus Supports batch processing and one-click copy. 写真ピクセル/メガピクセル計算機Megapixel calculator: get total pixels and megapixels by resolution with print size and file size for photography and design. NDフィルター露出計算機ND filter calculator: calculate exposure time with ND filter from base shutter and stops with settings for long exposure, one-click copy and offline. 写真プリント費用計算機Photo print cost calculator: calculate total cost and area from photo size, quantity and unit price with comparison for printing, with one-click copy and offline. 印刷サイズ計算機Print size calculator: get print size from pixels and DPI with paper mapping for photo, poster and canvas, with one-click copy, offline and multilingual.

語学ツール

語学学習者向けの語彙・テキストツール

英語略語検索ツールAbbreviation lookup tool: enter abbreviation to get full form and meaning with multi-domain database for study and work, with one-click copy, offline with one-click. アナグラムソルバーAnagram solver: find all anagrams from letters sorted by length and frequency for games and learning, with one-click copy, offline. 文字ケース変換Text case converter: convert between 11 cases like upper, lower, title and camel with character count for writing and coding, with one-click copy and offline. 単語カードジェネレーターFlashcard generator: one card per line as term + delimiter + definition. Get a preview table plus Anki-ready tab-separated text with one-click copy. Tab/comma/pipe supported. 数字をヒンディー語に変換Hindi number to words converter: convert numbers to Hindi words Devanagari using Indian system for documents, with one-click copy and offline. 英語不規則動詞早見表Irregular verbs: enter verb to get past and past participle with pronunciation and examples for English learning. Supports batch processing and one-click copy. モールス信号翻訳Morse code translator: convert between text and Morse with audio playback and copy for learning and fun communication. Supports batch processing and one-click copy. 数字を英単語に変換Number to words: converts numbers to English words (e.g., 123 → one hundred twenty-three). Supports batch processing, export and one-click copy, offline use. 英語名詞の複数形変換器Plural form converter: enter singular to get plurals with irregular forms and examples in bulk for learning, with one-click copy, offline. ランダム単語生成機Random word generator: create words by length, initial and part of speech with count and dedup for writing and testing, with one-click copy, offline with one-click. 英語スペル練習Spelling practice: random words by difficulty with audio, typing and instant correction, wordbook and progress for vocabulary and exams. 英語の音節カウンターSyllable counter: count syllables in text by word and sentence with multi-language and bulk for writing and poetry, with one-click copy, offline and multilingual. 語学ツール · 15 個のツール →

音楽家ツール

ミュージシャン向けのテンポ・移調ツール

BPM 測定（タップ）BPM tap tempo: tap or press space to the beat for live BPM, average and stability with metronome. For music. Supports batch export, one-click copy and offline use. BPM→ミリ秒ディレイ計算機BPM to milliseconds converter: calculate delay time from tempo and note value for music production, with one-click copy and offline. コード検索ツールChord finder: pick a root and quality (major/minor/dim/aug/maj7/min7/dom7) to get chord tones and intervals instantly, with one-click copy. コード進行生成器Chord progressions: pick a key (C, G, D, A, E, F, Bb, Eb…) and style (pop, folk, rock, blues, ballad) for an instant diatonic progression with one-click copy. ギター調弦リファレンスGuitar tuning reference: pick standard, half-down, Drop D or Open G for open-string notes and frequencies (A4=440Hz) to tune with your tuner. No microphone detection. メトロノームMetronome tool: adjustable tempo 40-240 BPM and beats per bar with accented first beat and sound and visual pulse for practice, with one-click copy and offline. 音程計算機Music interval calculator: get interval name, semitones and frequency ratio by two notes for music theory and compositi Supports batch processing and one-click copy. 音符周波数表Music note frequencies: look up note frequencies C0-B8 and MIDI numbers based on A4=440Hz with reference for music, with one-click copy and offline. 音符移調器Note transposer: enter original and target keys to transpose notes and fingerings for guitar, piano and jianpu for arranging, with copy, offline and history. 音階検索ツールScale finder: generate scale notes, fretboard and MIDI preview from mode and root with guitar and keyboard for composing, with one-click copy, with one-click copy,.

法務ツール

職場・契約向けの残業代・年次有給休暇ツール

年休計算機Annual leave calculator: get leave days from hire date and seniority with legal standard for HR and employees, with one-click copy, offline. 契約期間計算機Contract duration calculator: enter start/end dates to get days, months and years, with business days and renewal reminders for legal and HR. 訴訟費用計算機Court fee calculator (China): calculate filing and preservation fees by claim amount with bracket table for legal budgeting. 残業代計算機Overtime pay: computes pay at 1.5x weekday, 2x weekend and 3x holiday rates. For HR. Supports batch processing, export and one-click copy, sharing. 退職金計算機Severance pay calculator: estimate compensation from monthly salary and years per one month per year for resignation and labor law, with one-click copy and offline.

ゲーマーツール

ゲーマー向けの手速・反応・勝率ツール

エイムトレーニングAim trainer game: generate random targets with hit rate and reaction time, multi-difficulty and ranking for gaming and reflex, with one-click copy, offline. クリック速度テスト (CPS)Click speed test: click as many times as possible in 5 or 10 seconds with live CPS and total count and ranking for gaming, with one-click copy and offline. サイコロ確率計算機Dice probability calculator: get sums, ranges and specific combos by dice count and sides with charts and simulation for board games and probability. ガチャ確率計算機Gacha probability calculator: calculate probability of at least one hit and expected pulls for gacha planning, with one-click copy and offline. 反応速度テストReaction time test: wait for green and click, 5 rounds average with ranking for attention training and mini game, with one-click copy and offline. 人狼役職ガイドWerewolf guide: pick any role (werewolf, villager, seer, witch, hunter, guard, idiot) for skills and strategy tips with one-click copy. 人狼ゲーム役職分配器Werewolf roles: pick a 6/9/12/15-player setup for a random mix of werewolves, villagers and special roles (seer, witch, hunter, guard) with one-click copy. 勝率計算機Win percentage calculator: calculate win rate, total games and win streak needed for target with chart for gaming and esports, with one-click copy and offline.