Tools
Every tool here runs entirely in your browser. Nothing you paste is uploaded, logged or stored — which matters when the input is a token from an email you just received.
Password Generator
Generate strong random passwords in your browser with configurable length and character sets.
UUID Generator
Create RFC 4122 version 4 UUIDs using the browser's cryptographic random source.
Random String Generator
Produce random strings of any length from letters, digits and symbols.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to UTF-8 text.
JWT Decoder
Inspect the header and payload of a JSON Web Token without sending it anywhere.
URL Encoder / Decoder
Percent-encode and decode URL components safely.
Hash Generator
Compute SHA-1, SHA-256, SHA-384 and SHA-512 digests of any text.
JSON Formatter
Pretty-print, minify and validate JSON with clear error messages.
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