How to use Base64 Codec
Encode or decode UTF-8 text with Base64.
- Enter or choose the content to process.
- Adjust the available options and run the tool.
- Review the result, then copy or download it.
Privacy and browser support
Your input is processed in this browser tab and is not uploaded to FreeTool. A current version of Chrome, Edge, Firefox, or Safari is recommended.
Frequently asked questions
Is my content uploaded?
No. Processing happens in this browser tab.
Do I need an account?
No account is required for this free tool.