Base64 decode
Decode a Base64 string as UTF-8 text.
Enter text to get started.
Converting your file
Working on your device…
What this tool does
Decode a Base64 string as UTF-8 text.
Select a supported file or paste text.
Use the options shown in the workspace.
Download the result and review it on your device.
When to use base64 decode
Read a UTF-8 message represented as Base64.
How to use base64 decode
- Paste the text or data into this tool’s input.
- Review the base64 decode options shown above.
- Run the tool and inspect the result before copying it.
Frequently asked questions
How does Base64 decode work?
Choose the input, adjust any available options, and run the tool. Decode a Base64 string as UTF-8 text.
Is my file uploaded to ConvertExpress?
No. This demo performs this conversion in your browser. The site downloads its interface and code, but it does not upload the selected file for this tool.
Will the output always match the original?
Decode a Base64 string as UTF-8 text. Check the result before using it for important work.
Can this decode any binary file as readable text?
This decoder expects Base64 that represents valid UTF-8 text. For an encoded image, use the separate Base64 to image tool.