QR Code Generator
Turn a link, text or Wi-Fi login into a QR code you can download as PNG or SVG.
Password Generator
Create strong random passwords using your browser’s cryptographic random generator.
UUID Generator
Generate random (v4) or time-ordered (v7) UUIDs in bulk.
JSON Formatter & Validator
Validate JSON, pretty-print it, minify it, or sort its keys — with clear error locations.
URL Encoder / Decoder
Encode text for safe use in URLs, decode percent-encoded strings, and inspect query parameters.
Base64 Encoder / Decoder
Encode text (including emoji and other languages) to Base64, or decode Base64 back to text.
Color Picker & Converter
Pick a colour, convert between HEX, RGB and HSL, check contrast and explore shades.
Hash Generator
Compute SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or a file, locally.
Unix Timestamp Converter
Convert Unix timestamps (seconds or milliseconds) to readable dates and back again.