Encode and decode Base64 text locally for API payloads, token debugging, config values and quick automation tasks.
Base64 output
How to use this tool
- Paste plain text to encode or Base64 text to decode.
- Choose Encode or Decode.
- Copy or download the generated output.
Common mistakes
- Confusing Base64 encoding with encryption.
- Forgetting that binary files may need file-safe tooling instead of a textarea.
- Leaving whitespace or URL-safe variants unhandled in pasted strings.
FAQ
Is Base64 secure?
No. Base64 is encoding, not encryption. Anyone can decode it.
Does this support Unicode text?
Yes, it handles UTF-8 text in the browser.
Is my text uploaded?
No. Encoding and decoding run locally.
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Last updated: May 17, 2026