Base64 Encode
SGVsbG8sIFJhbmdkb20h
Converted locally in your browser with UTF-8 safe TextEncoder and TextDecoder handling. Your text stays only on this page.
Encode text as Base64
Convert plain text into Base64 using browser APIs. Unicode text is encoded as UTF-8 before btoa runs, so emoji and non-Latin characters are handled correctly.
When to use this tool
Use Base64 when text or binary data needs to travel through a format that expects plain ASCII, such as configuration snippets, small API examples, or data URL experiments.
Privacy and limitations
This conversion runs locally in your browser. Base64 is an encoding format, not encryption, so anyone can decode the result if they have the encoded text.