Generate one or hundreds of random v4 UUIDs, ready to copy.
This tool runs entirely in your browser. Your file is processed on your device and is not uploaded to a server.
SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text or file.
Encode and decode Base64 text — Unicode-safe — plus file to Base64 and back.
Test regular expressions live, with highlighted matches and capture groups.