11 categories covering everything from JSON and code formatting to cryptography, colour and data conversion.
Format, validate, minify and beautify JSON in your browser. Every tool reports the exact line and column of a syntax error, and nothing is uploaded.
JSON Formatter · JSON Beautifier · JSON Minifier · and more
Beautify and indent SQL, HTML, CSS, JavaScript, XML and YAML. Powered by Prettier and dialect-aware parsers, running entirely client-side.
SQL Formatter · HTML Formatter · CSS Formatter · and more
Shrink JavaScript, CSS, HTML and SQL with real compressors — Terser and CSSO, not whitespace stripping — and see exactly how many bytes you saved.
SQL Minifier · HTML Minifier · CSS Minifier · and more
Encode and decode Base64, URLs, HTML entities and images. Full Unicode support, so emoji and non-Latin scripts work correctly.
Base64 Encode · Base64 Decode · URL Encode · and more
Decode JWTs, generate cryptographic hashes and create strong passwords. Everything runs locally, so credentials and secrets never leave your device.
JWT Decoder · JWT Parser · Hash Generator · and more
Generate UUIDs, random strings, QR codes, barcodes, placeholder text and cron schedules. No watermarks, no expiry, no sign-up.
UUID Generator · Random String Generator · Lorem Ipsum Generator · and more
Count words and characters, convert between naming conventions, compare texts, test regular expressions and preview Markdown.
Word Counter · Character Counter · Case Converter · and more
Convert Unix timestamps to readable dates and move data between CSV and JSON, with proper RFC 4180 quoting and nested-object flattening.
Timestamp Converter · Unix Time Converter · CSV to JSON · and more
Format and minify DAX measures and Power Query M scripts in your browser. Nothing is uploaded, so proprietary model logic never leaves your machine.
DAX Formatter · DAX Minifier · Power Query Formatter
Audit any URL for on-page problems, then generate what it needs: meta and Open Graph tags, JSON-LD schema, a robots.txt, and keyword frequency for your copy.
SEO Analyzer · Meta Tag Generator · robots.txt Generator · and more
Convert colours between HEX, RGB, HSL, CMYK and OKLCH, pick colours visually, and check WCAG contrast ratios as you work.
Color Converter · Color Picker · Color Contrast Checker