Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text, instantly and privately.
About Base64 Encode / Decode
Convert text to and from Base64 right in your browser. Full UTF-8 support means emoji and accented characters encode and decode correctly. Nothing is uploaded — encoding happens locally, so it's safe for tokens and sensitive strings.
How to use Base64 Encode / Decode
- 1
Choose Encode (text → Base64) or Decode (Base64 → text).
- 2
Type or paste your input on the left.
- 3
The converted result appears instantly on the right.
- 4
Click Copy to grab the output, or use the swap button to reverse the conversion.
Frequently Asked Questions
Does it handle Unicode / emoji?
Yes. The tool encodes text as UTF-8 first, so emoji and accented characters round-trip correctly.
Is my data sent anywhere?
No. Encoding and decoding use your browser's native functions and never leave your device.