ToolForge

Free online tools, new ones every day

Color

Color conversion, contrast and palette tools

Color Contrast CheckerCheck WCAG contrast ratio between two colors and see AA/AAA accessibility compliance. Hex to RGB/HSL Color ConverterConvert hex color codes to RGB, HSL and RGBA instantly, with alpha support and one-click copy.

Encode & Decode

Encoding, decoding, hashing, escaping and data conversion tools

Base64 Encode/DecodeOnline Base64 encoder/decoder with full UTF-8 (Chinese) support. Cookie FormatterParse Cookie strings to JSON/table with URL decoding, or build Cookie strings from JSON. Gzip Compress/DecompressCompress text to Base64-encoded Gzip and decompress it back, with compression ratio. Hex Encode/Decode & Hex Dump ViewerConvert text to/from hex, plus a hex dump viewer with offsets and ASCII columns. HTML Encode/Decode & HTML to JSHTML escape/decode, deep numeric-entity encoding, and convert HTML to JS string literals. JWT DecoderDecode JWT header and payload to JSON, showing exp/iat fields. MD5 Hash GeneratorCompute MD5 digests (32 hex chars) for UTF-8 text, fully in your browser. SHA Hash GeneratorCompute SHA-1/256/384/512 hashes locally in your browser. String Escape/Unescape (JS)Escape strings to JavaScript-safe form (quotes, newlines, control chars) and unescape them back. Unicode Encode/DecodeConvert text to \uXXXX Unicode escapes (with surrogate pairs for emoji) and back. URL Encode/DecodeEncode and decode URL components, including Chinese and special characters. URL Parameters ParserParse URL query strings to JSON/table (handles repeats and encoding), or build query strings from JSON. UTF-16 Encode/DecodeConvert text to \xXXXX UTF-16 hex escapes and back, useful for deobfuscating scripts.

Converters

Unit, base, encoding and data converters

Number Base ConverterConvert between binary, octal, decimal and hexadecimal, showing all bases at once. Unit ConverterConvert length, weight, temperature and data-storage units instantly.

Finance

Loan, interest and finance calculators

Housing Fund Loan Calculator (2026 Rates)Housing provident fund loan calculator with 2026 rates (first home 2.6%, second home 3.075% for 5+ years), equal-payment/equal-principal comparison and full amortization CSV export. Mortgage CalculatorMortgage calculator with equal-payment and equal-principal methods, plus a monthly amortization schedule.

Text

Text counting, encoding and formatting tools

Word & Character CounterCount characters, words (Chinese & English), lines, paragraphs and reading time in real time.

Developer

JSON, regex, CSV and developer tools

CSV to JSON ConverterConvert CSV to JSON or an HTML table, supporting commas, semicolons, tabs and headers. JSON Formatter, Minifier & ValidatorFormat, minify and validate JSON online, with clear error messages. Regex TesterTest regular expressions live with match positions and groups.

Generators

Password, UUID and random generators

Password GeneratorGenerate strong passwords with custom length and charsets using secure browser randomness. Random Number GeneratorGenerate random numbers in a range with unique and sort options. UUID GeneratorGenerate UUID v4 values in bulk, with uppercase option.

Calculators

Everyday calculators, percentage, BMI and more

BMI CalculatorCalculate BMI, health category and healthy weight range. Percentage CalculatorCalculate percentages: what percent, percent of, and percent change.

Time & Date

Age, date difference and timestamp tools

Age CalculatorCalculate exact age in years/months/days, total days, next birthday, zodiac and constellation. Date Difference CalculatorDays, weeks, months, business days and weekends between two dates. Unix Timestamp ConverterConvert Unix timestamps to dates and back, in seconds or milliseconds.

नवीनतम उपकरण

Cookie FormatterParse Cookie strings to JSON/table with URL decoding, or build Cookie strings from JSON. Gzip Compress/DecompressCompress text to Base64-encoded Gzip and decompress it back, with compression ratio. Hex Encode/Decode & Hex Dump ViewerConvert text to/from hex, plus a hex dump viewer with offsets and ASCII columns. Housing Fund Loan Calculator (2026 Rates)Housing provident fund loan calculator with 2026 rates (first home 2.6%, second home 3.075% for 5+ years), equal-payment/equal-principal comparison and full amortization CSV export. HTML Encode/Decode & HTML to JSHTML escape/decode, deep numeric-entity encoding, and convert HTML to JS string literals. JWT DecoderDecode JWT header and payload to JSON, showing exp/iat fields. MD5 Hash GeneratorCompute MD5 digests (32 hex chars) for UTF-8 text, fully in your browser. String Escape/Unescape (JS)Escape strings to JavaScript-safe form (quotes, newlines, control chars) and unescape them back.