Free browser tool
Free Base64 Encode & Decode
Convert text to Base64 and back with UTF-8 — private and client-side.
100% client-side. Your text never leaves this device.
About this Base64 tool
Encode any UTF-8 text to Base64, or decode Base64 back to readable text — useful for data URLs, tokens, and debugging.
Conversion happens in your browser only; we never receive your content.
For multi-step or logged-in agent browsing, open okayok.ai.
Why encode here
UTF-8 safe
Uses TextEncoder/TextDecoder so emoji and non-ASCII stay correct.
Encode and decode
One page for both directions with a quick swap.
Private
No network upload — suitable for sensitive snippets.
Free forever
No signup, no watermarks, no daily caps.
How to use
- 1
Enter text or Base64
Paste into the input area.
- 2
Encode or decode
Pick the direction you need.
- 3
Copy the output
Use Copy when you are done.
FAQ
More from Okay OK
Okay OK is the official home of the OK product family — OK Tools, OK Video, OK Images, and more.
Visit okayok.ai