Base64 Encoder
Encode UTF-8 text as Base64 locally for API tests and development workflows.
Runs in your browser. No signup or cloud computer.
17 / 100,000
Result
Your result will appear here. The input stays in this browser tab.
How to use it
Paste text and encode its UTF-8 bytes to a Base64 string ready to copy.
Try this example
Hello, Matrix OS!
What to check
Base64 is an encoding, not encryption; it does not protect secrets.
Review the result before using it in a published page, application, or agent configuration.
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