How to use
- Paste the text or Base64 value.
- Choose Encode or Decode.
- Review any decoding error.
- Copy or download the result.
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Web and Developer
Base64 Encoder Decoder
Encode text to Base64 or decode it locally.
Processed in your browser
100% Client-Side
Your files and text never leave your computer. Base64 encoding and decoding happen in your browser. The text is not uploaded, stored or sent to a Chrysoro server.
Runs locally in your browser.
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Frequently asked questions
Is Base64 encryption?
No. Base64 is an encoding format, not encryption.
What happens with invalid Base64?
The tool shows a clear error and does not produce a misleading result.