Encode and decode UTF-8 text as Base64 entirely on your device.
Privacy: this tool processes your input in your browser unless clearly stated otherwise. Nothing is uploaded by this page.
Base64 is a transport encoding, not encryption. It is useful when text or binary data needs an ASCII-safe representation.
UTF-8 text is encoded into Base64 characters and valid Base64 is decoded back in the browser.
Encoded data is not secret. Anyone with the Base64 value can decode it.
Yes. It is provided as a free browser-based utility.
No account is required for ordinary use.
No. Treat the result as an estimate or utility output and verify important decisions with the appropriate official source.
See our Methodology & Editorial Standards for how tools are tested and explained.