Base64 Encoder
Encode and decode Base64, URL, and HTML entities.
Output
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About this tool
Encode and decode Base64, URL, and HTML entities instantly. Free online encoder-decoder tool for developers - runs entirely in your browser. This tool runs in your browser for speed and privacy.
Common use cases
- Quick tasks without installing software.
- Everyday work for students, teams, and developers.
Example workflow
- Add your input and adjust options.
- Review the result and copy/export if needed.
Tool info
Privacy
This tool is designed to run locally in your browser whenever possible.
Best results
For accuracy, double-check inputs and keep formats consistent before exporting or copying results.