Developer & Web Tools
JSON formatter, Base64 and URL encoders, regex tester, hash and UUID generators, password generator, colour converter and QR codes — all client-side.
13 free tools
JSON Formatter & Validator
Format, beautify, minify and validate JSON with syntax highlighting, key sorting and precise error locations.
Base64 Encoder
Encode text to Base64 (UTF-8 safe), with URL-safe and MIME line-wrapping options.
Base64 Decoder
Decode Base64 and URL-safe Base64 back to UTF-8 text, with clear errors for invalid input.
URL Encoder / Decoder
Percent-encode or decode URLs and query parameters, as a component or a full URI.
HTML Entity Encoder / Decoder
HTML entity encoder and decoder: escape special characters to entities, or decode named and numeric entities back to text.
Regex Tester
Regex tester for JavaScript regular expressions: live match highlighting, capture groups and replace preview.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files, and verify checksums.
Bcrypt Hash Generator
Bcrypt hash generator for Laravel and PHP: create $2y$ password hashes with the cost factor you choose, and check a password against a hash.
UUID Generator
Generate cryptographically random version 4 UUIDs in bulk, with formatting options and a UUID validator.
Password Generator
Create strong random passwords with custom length and character sets, plus entropy and crack-time estimates.
Lorem Ipsum Generator
Generate lorem ipsum placeholder text as paragraphs, sentences, words or list items — in plain text or HTML.
Color Code Converter
Color converter: convert colors between HEX, RGB, HSL and CMYK with a live swatch, WCAG contrast check and tint/shade palette.
QR Code Generator
Create QR codes for URLs, text, Wi-Fi, email, SMS and phone numbers — custom colours, instant PNG and SVG download.