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Base64 text converter
Encode Unicode text or strictly decode UTF-8 Base64.
Plain text
UTF-8 text
Browser only
Your input and output are processed in this browser. They are not uploaded for processing. No account is required.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Paste your input in the labelled field.
- Choose the operation and settings that match your task.
- Run the tool, review the result and download it if needed. All processing stays in your browser.
Examples
Café 😀
Limitations
Standard Base64 alphabet and complete padding are required.
No data URL prefix; whitespace in encoded input is allowed.
Invalid bytes never silently become replacement characters.
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