Free SEO Tools
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text — entirely in your browser.
About this tool
This handles full UTF-8 text correctly (not just ASCII), so non-English text and emoji encode and decode properly.
Frequently Asked Questions
- Does this handle non-English text and emoji?
- Yes, it handles full UTF-8 text correctly, not just ASCII.
- Is my text sent anywhere?
- No, everything runs entirely in your browser.
- What happens if I paste invalid Base64 to decode?
- The tool reports it isn't valid Base64 rather than showing garbled output.