Does this Base64 tool support non-English characters and emojis?

Yes. It uses a modern UTF-8 byte stream encoder to safely handle international alphabets, symbols, and emojis without garbled characters.

Are my uploaded files or text sent to a remote server?

No. File reading and Base64 conversion occur strictly inside your browser sandbox using the HTML5 FileReader API.

Files up to 5 MB are supported smoothly in client-side memory.

Yes. It uses a modern UTF-8 byte stream encoder to safely handle international alphabets, symbols, and emojis without garbled characters.

No. File reading and Base64 conversion occur strictly inside your browser sandbox using the HTML5 FileReader API.

Files up to 5 MB are supported smoothly in client-side memory.

DeveloperOffline Ready · Zero Uploads

Convert UTF-8 text and binary files to Base64 and decode Base64 strings back to readable plain text. Everything processes locally on your device.

Loading Base64 Encoder / Decoder sandbox...

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