Each one runs entirely in your browser — no uploads, no accounts.
JSON Compare
Diff two JSON documents structurally, then format, validate, or minify them.
File Compare
Line-by-line diff of two text files or pasted snippets.
Base64
Encode and decode Base64 text.
URL Encode
Percent-encode and decode URL components.
JWT Decoder
Inspect the header and payload of a JSON Web Token.
Hash Generator
SHA-1, SHA-256, SHA-384, and SHA-512 digests.
UUID Generator
Generate v4 UUIDs in bulk.
QR Code
Turn any text or URL into a scannable QR code.
Timestamp Converter
Convert between Unix timestamps and human dates.
Color Converter
Convert colors between HEX, RGB, and HSL.