Desenvolvedor
Ferramentas para desenvolvedores: JSON, regex, CSV e mais
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💻 Desenvolvedor · Total 66 ferramentas
Tabela ASCIIASCII table tool: lookup char decimal, hex and binary with search and copy for development and learning, with one-click copy, offline.
Conversor Base32Base32 converter tool: support Base32 encoding and decoding with padding and bulk for development, with one-click copy, offline.
Pré-visualização de imagem Base64Base64 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.
Gerador de gradiente cônicoConic 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.
Validador de cartão de créditoCredit card validator: validate numbers with Luhn and detect Visa and Mastercard for payments and fraud prevention, with one-click copy and offline.
Gerador de expressões cronCron generator: visually pick minute/hour/day/month/week to build Cron, parse and preview next runs for scheduling and DevOps.
Validador de endereços criptoCrypto address validator: validate BTC/ETH and multi-chain formats with checksum, chain hints and error tips before transfers.
Gerador de easing CSSCSS easing generator: visually adjust cubic-bezier curve to generate transition code with live preview for frontend and animation, with one-click copy and offline.
Calculadora de especificidade CSSCSS specificity calculator: enter any selector to get specificity a,b,c with priority and override explanation for frontend debugging, one-click copy and offline.
Conversor de unidades CSSCSS 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.
CSV para JSONCSV to JSON converter: convert tabular data to JSON array with delimiters and header detection for data, with one-click copy and offline.
Pré-visualização de CSVCSV viewer: paste CSV data to parse as table supporting comma, semicolon and Tab with quoted fields for data viewing and cleaning, with one-click copy and offline.
Conversor de HTTP para cURLcURL converter: generate cURL commands from method, URL, headers and body with import for API debugging, with one-click copy and offline.
cURL para requisição HTTPcURL to HTTP parser: paste cURL to get method, URL, headers and body with highlighting and copy for API debugging and d Supports batch processing and one-click copy.
Validador de endereço de e-mailEmail validator: check length, username and domain labels with clear tips per RFC for registration, with one-click copy and offline.
EU VAT Number ValidatorEU VAT number validator: enter VAT number to validate format with country prefix.
Conversor de letras de colunas do ExcelExcel column name converter: convert between letters and numbers A1 AB28 XFD16384 bidirectionally with batch for spreadsheets, with one-click copy and offline.
Gerador de fórmulas ExcelExcel formula generator: pick function type and fill parameters to generate copy-ready formulas with examples for spreadsheets, with one-click copy and offline.
Calculadora de hash de arquivoFile hash calculator: compute SHA-1 and SHA-256 checksums of files locally for privacy for verification and security, with one-click copy and offline.
Arquivo para Base64File to Base64: upload any file to generate Base64 and Data URL with image preview and copy for front-end embedding and API debugging.
Gerador de FlexboxFlexbox generator: adjust direction, alignment and gap with live preview and CSS copy for front-end flex layouts and responsive design.
Referência de comandos GitGit cheatsheet: pick a scenario (init, commit, branch, remote, undo, merge, log) for common commands with one-click copy. Runs locally.
Gerador de mensagem de commit GitGit commit message generator: generate Conventional Commits messages with type and scope for development and collaboration, with one-click copy and offline.
Ferramenta de despejo HEXHex dump viewer: upload file or paste text to get hex and ASCII view with offset, width and search for reverse engineering and debugging.
Gerador de tags hreflangHreflang generator: generate alternate link tags for multilingual sites with validation for SEO, with one-click copy and offline.
Codificador/decodificador de entidades HTMLHTML entities converter: encode special characters to HTML entities or decode back with preview for web, with one-click copy and offline.
Formatador HTMLHTML formatter: paste HTML to beautify or minify with highlighting and error hints for front-end and code cleanup. Supports batch processing and one-click copy.
Pré-visualização HTML ao vivoHTML preview: paste HTML/CSS/JS for live rendered preview with split view and copy for front-end debugging and template Supports batch processing and one-click copy.
HTML para JSXHTML to JSX: transforms HTML snippets to React JSX handling class and style. For frontend. Supports batch processing, export and one-click copy, offline use.
Ferramenta de HTML para textoHTML to text: extract text from HTML preserving paragraphs with tag stripping and entity decoding for content cleaning. Supports batch processing and one-click copy.
Referência de métodos HTTPHTTP methods reference: explains GET, POST, PUT, PATCH, DELETE usage and idempotency. Supports batch processing, export and one-click copy, offline use.
Validador de IBANIBAN validator: validate country code length and mod-97 checksum for international transfers, with one-click copy and offline.
India PAN ValidatorIndia PAN validator: enter 10-character PAN to validate format for India.
Japan Invoice Number ValidatorJapan invoice number validator: enter 13-14 digit registration number to validate for Japan.
Japan My Number ValidatorJapan My Number validator: enter 12-digit number to validate checksum for Japan.
Comparador de JSONJSON diff tool: paste two JSON documents to find added, removed and changed paths with highlighting for API and config comparison, with one-click copy and offline.
Formatador / Minificador / Validador JSONJSON formatter: paste JSON to beautify, minify and validate with highlighting and error location for dev debugging. Supports batch processing and one-click copy.
Formatador/validador/compactador JSONJSON formatter: beautify, validate and minify to single line with custom indent and character count for development and debugging, with one-click copy and offline.
Mesclador de JSONJSON merge: merge multiple JSON objects with deep merge and conflict strategies for config and data integration. Supports batch processing and one-click copy.
Minificador e embelezador JSONJSON minifier and beautifier: compress or beautify JSON showing byte count and savings in real time for API debugging, with one-click copy and offline.
Consulta de caminho JSONJSON path query tool: enter JSON and dot-path with array indexes to extract values quickly with highlighting for API debugging, one-click copy and offline.
Gerador de JSON SchemaJSON Schema generator: pastes sample JSON to auto generate JSON Schema with nested fields. Supports batch processing, export and one-click copy, offline use.
JSON para tabela MarkdownJSON to Markdown converter: convert object array to Markdown table with header and alignment for docs and README, with one-click copy and offline.
JSON para XMLJSON to XML converter: paste JSON to get well-formed XML with attribute and array handling, formatting and validation for integration.
Gerador de loaders CSSCSS loader generator: pick spinner, ring, dots or bars style with color, size and speed for instant preview and paste-ready CSS with keyframes.
Editor Markdown onlineMarkdown editor: edit on left and preview on right supporting headings, lists and code blocks for writing and docs, with one-click copy and offline.
Gerador de meta tags SEOMeta tags generator: enter title, description and keywords to generate SEO Meta and Open Graph tags for web optimizatio Supports batch processing and one-click copy.
Mexico CURP ValidatorMexico CURP validator: enter 18-character CURP to validate format for Mexico.
Mexico RFC ValidatorMexico RFC validator: enter RFC to validate format for Mexico SAT.
Gerador de neumorfismoNeumorphism generator: adjust shadow, radius and background with live preview and CSS copy for card and button design. Supports batch processing and one-click copy.
Calculadora de entropia de senhaPassword entropy calculator: analyze charset, length and entropy with crack time estimate for security, with one-click copy and offline.
Gerador de senhas aleatóriasRandom password generator: customize length and character types showing entropy for accounts, with one-click copy and offline.
Conversor de PX para REM/EMPX to REM converter: convert px, rem and em based on root font size 16px for responsive and mobile styles, with one-click copy and offline.
Gerador de READMEREADME generator: enter project name, description, install and usage to generate standard Markdown README for open source and docs, with one-click copy and offline.
Escape de regexRegex escape tool: auto escape strings for regex with bulk and preview for development and text processing, with one-click copy, offline and multilingual.
Testador de regexRegex tester: test regex against text with live highlighting and match count for development, with one-click copy and offline.
Gerador de robots.txtRobots.txt generator: create crawler rules with allow disallow, sitemap and validation for SEO and site management, with one-click copy, offline and multilingual.
Comparador de versõesSemVer compare tool: compare two versions and parse major minor patch and prerelease for dev and release management, with one-click copy, offline.
Gerador de sitemapSitemap generator: create XML sitemap from URL list with priority and frequency for SEO and site management, with one-click copy, offline and multilingual.
Gerador de dados estruturados JSON-LDStructured data generator: create JSON-LD by type with validation and preview for SEO and site management, with one-click copy, offline and multilingual.
Comparador de diferenças de textoText diff tool: highlight differences between two texts with line and character diff for proofing and version compare, with one-click copy, offline.
Gerador de CSS TransformTransform generator: visually generate CSS transform code with translate, rotate and scale preview for frontend and design, with one-click copy, offline.
Gerador de User-AgentUser agent generator: create random UA for browsers and devices with custom and bulk for testing and crawling, with one-click copy, offline.
Formatador XMLXML formatter: beautify with indentation supporting comments and CDATA with validation for config, with one-click copy and offline.
Perguntas frequentes
O que é a categoria Desenvolvedor?
A categoria Desenvolvedor inclui 66 ferramentas gratuitas, todas no navegador.
Estas ferramentas são gratuitas?
Sim, todas gratuitas e sem limites de uso.
Preciso me registrar?
Não. Abra a página e use; seus dados não são enviados.
Quais idiomas são suportados?
This site supports 12 languages: Chinese, English, Japanese, Spanish, French, Portuguese, Arabic, Indonesian, Hindi, Thai, Vietnamese and Bengali.