Encoder, decoder and hash

Runs on your device · nothing is uploaded

URL-safe (- and _, no padding)

Text Base64

File to Base64

Choose a fileor drop it here. Images become ready-to-paste data URLs.

Output as a data URL (data:type;base64,...)

Keep a whole URL working (leave : / ? & = alone)

Input Result

Also encode accents and emoji (&#x..;)

Input Result

Text to hash (as UTF-8)

Choose a fileor drop it here to check its checksum

Compare with an expected hash (optional) Upper case

MD5 and SHA-1 are fine for checking downloads but are broken for security. Use SHA-256 or longer for anything that matters.

JSON Web Token

This only reads the token. It does not check the signature, so anyone could have made a token that looks like this. Tokens often grant access: only paste ones you are allowed to see.

How many Upper case No hyphens {Braces}

Version 4 UUIDs from your browser's secure random generator.

Encoder, decoder and hash

File to Base64

Header

Payload

Times