Security & Encoding
Base64 File Converter
Upload a file to encode as Base64, or paste Base64 to download a reconstructed file. Decoded contents are treated as data and never executed.
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How to Convert Base64 Files
Step 1
Choose Encode or Decode
Provide the input or options for this tool.
Step 2
Provide a File or Base64
Run the action or review the live result.
Step 3
Copy or Download
Copy or download when you are ready.
Base64 File Converter Features
- File to Base64
- Base64 to file download
- MIME and size details
- Progress for large reads
- No content execution
Supported Formats
Input formats
- Text
Output formats
- Text
Supported formats
- Text
Frequently Asked Questions
Are decoded files executed?
No. They are downloadable data only.
Can I convert images and PDFs?
Yes where the browser can read the file.
Is there a size limit?
Yes, to keep the page responsive.
Private?
Yes.
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