Paste a JWT — the tool decodes the header and payload, explains the standard claims, and shows when the token was issued and when it expires. No signature check, no secret needed.
Runs in your browser — data is not sent to a serverThe tool only decodes the token: the signature is not verified — that requires the secret key. The token never leaves your browser.
Encode and decode Base64 with full Unicode (UTF-8) support.
Hash GeneratorMD5, SHA-1, SHA-256, SHA-512, and CRC32 for any string — in your browser.
Password GeneratorStrong passwords with configurable length and character sets.
HTML Entities Encode / DecodeSpecial characters and Unicode to HTML entities — and back.
We'll collect and tidy up website data: prices, products, contacts, reviews — in the format and at the frequency you need.