Professional File to Base64 Converter for Developers & Coders

Convert any file to Base64 string with our free online tool. Perfect for developers, coders, and IT professionals who need to encode files for web applications. Process files directly in your browser with zero uploads for maximum privacy and security. Convert any file type to Base64 using our privacy-first encoding technology.

File to Base64 Converter

Convert any file to a Base64 string instantly

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Drag & drop your file here or click to browse

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Recent Conversions

How to Convert Files to Base64

  1. Upload a File: Drag & drop a file into the upload area or click "Browse Files" to select a file.
  2. View File Info: Once uploaded, you can see the file name, size, and type in the File Info section.
  3. Preview (if applicable): A preview of the file (images, text) will appear in the Preview section if supported.
  4. Convert to Base64: Click the Convert to Base64 button. The Base64 string will appear in the Output section.
  5. Copy Base64: Click Copy to Clipboard to copy the string.
  6. Download: Click Download as .txt to save the Base64 string as a text file.
  7. Recent Conversions: The last converted files and their Base64 outputs will be listed in the History section for quick reference.
  8. Clear: Click Clear to remove the uploaded file, output, and preview.

Frequently Asked Questions

Any file type can be converted to Base64, including images, text, PDFs, and more.

Yes, click the "Copy to Clipboard" button. A notification will confirm that it’s copied.

Yes, click "Download as .txt" to save the Base64 string as a text file.

No, all processing happens locally in your browser. Your files are never sent to a server.