Rules and limits
Base64 is an encoding, not encryption. This tool handles UTF-8 text and standard Base64, not binary files or Base64URL. Whitespace in Base64 input is ignored. Invalid UTF-8 is rejected.
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Base64 text converter
Encode UTF-8 text as Base64 or decode Base64 into readable UTF-8 text locally.
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Local processing. Maximum text input: 200,000 characters.
Result
HOW IT WORKS
01
Enter UTF-8 text or standard Base64.
02
Choose encode or decode.
03
Copy or download the resulting text.
A FEW HELPFUL ANSWERS
Before you get started.
Is my input uploaded?
These tools process your input in your browser. Input is not saved to a server or browser storage. Copy or download any result you want to keep.