Base64 Workbench
Local processing. Zero uploads.

The cleanest way to work with Base64.

Encode and decode Unicode text instantly, switch to URL-safe Base64, import a text file, and keep a small on-device history.

✓ Unicode ready✓ URL-safe mode✓ Download results
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Base64 outputReady when you are
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Instant conversion enabled
Recent work

Copy or download a result and it will appear here. Your history stays on this device.