Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text (UTF-8 safe), entirely in your browser.
Runs in your browser — files never leave your device
Input
Output
How it works
Switch between Encode and Decode and paste your text or Base64.
Everything is computed locally and matches the ZoolTools app output.
Frequently asked questions
- Is my text uploaded?
- No — encoding/decoding runs in your browser.
- Is it UTF-8 safe?
- Yes, multibyte characters like emoji and accents are handled correctly.
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