Base64 Encode / Decode

UTF-8 text ↔ Base64. Edit either side to convert.

How to use

Edit Text or Base64 — the other side updates
Swap panes if you want to flip layout
Copy the result side with ⌘↵

FAQ

Is my input uploaded?

No. Processing stays in your browser. Nothing is sent to our servers.

Related tools

URL Encode / Decode — Percent-encoding helpers. Edit either side to convert.
Hash Generator — MD5 / SHA-1 / SHA-256 / SHA-512 digests (local).