Base64 Encode / Decode

Encode UTF-8 text as Base64 or decode it back to text.

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How to use Base64 Encode / Decode

Base64 is an encoding, not encryption. Decoding requires valid Base64 and UTF-8 text; arbitrary binary files should not be treated as text.

Enter your text or values in the workspace above.

Review the options and limits before processing.

Check the output, then save or copy what you need.

Does this tool upload my input?

No. This tool processes your input on your device. Its libraries load from this site. Your input is not sent to a processing service.

What should I check before using the result?

Base64 is an encoding, not encryption. Decoding requires valid Base64 and UTF-8 text; arbitrary binary files should not be treated as text.