UTF-8 support
The interface uses browser text encoders so common international characters can be converted reliably.
Convert UTF-8 text to Base64 and decode it back in your browser. This is useful for API payloads, data URLs, basic authentication examples and debugging.
The interface uses browser text encoders so common international characters can be converted reliably.
Copy the result for a request or download a plain-text file for later use.
The core conversion runs in the browser. Review the privacy policy before using any hosted page with sensitive data.
No. Anyone who has the encoded value can decode it. Use proper encryption and key management for secrets.
Yes, the current tool converts UTF-8 text before Base64 encoding.
The browser reports an error when the input is not valid Base64 or cannot be decoded as UTF-8.