Developer tools that just work
Format JSON, encode Base64, convert timestamps and more — instantly, right in your browser.
JSON Formatter & Validator
Beautify, minify and validate JSON with precise error locations.
Ready A→ZBase64 Encoder / Decoder
Encode and decode Base64 with full UTF-8 support.
Ready %URL Encoder / Decoder
Percent-encode URLs and query strings, or decode them back.
Ready ⏱Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates, in seconds or milliseconds.
Ready .*Regex Tester
Test regular expressions with live match highlighting and capture groups.
Ready 🔑JWT Decoder
Decode JWT headers and payloads, with human-readable expiry status.
Ready #UUID Generator
Generate cryptographically random UUID v4 identifiers, one or in bulk.
Ready ⛓SHA-256 Hash Generator
Hash any text with SHA-256, live as you type. Powered by Web Crypto.
Ready 🎨Color Converter
Convert between HEX, RGB and HSL with a live preview swatch.
Ready 🔒Password Generator
Cryptographically random passwords with strength meter and bulk mode.
Ready 123Word Counter
Live word, character and sentence counts with reading time and top keywords.
Ready ⇄Text Diff
Compare two texts line by line with highlighted changes.
Ready AaCase Converter
Convert between UPPERCASE, camelCase, snake_case and 6 more formats.
Ready M↓Markdown Previewer
Write Markdown, see rendered HTML live — zero dependencies, no upload.
Ready ⇋CSV to JSON
Convert CSV to JSON with proper quoting support — RFC 4180 safe.
Ready #Hash Generator
MD5, SHA-1, SHA-256, SHA-384 and SHA-512 — all five at once, live.
Ready &&HTML Entities
Escape and unescape HTML entities — named, decimal and hex forms.
Ready /-/Slug Generator
Turn any title into a clean, URL-friendly slug. Accents stripped.
Ready ¶Lorem Ipsum Generator
Placeholder text as paragraphs, sentences, words or list items.
Ready