Base64 File Decoder

Decode Base64 strings back to their original file format

Input Base64 String

or

Decoded File Output

Decoded file will appear here...

How to use this Base64 File Decoder

  1. Upload a file containing Base64 content or paste your Base64 encoded string into the input field
  2. Click the "Decode Base64" button
  3. View the decoded file preview (if supported)
  4. Download the file by clicking the download button

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used to encode files for transmission over media that are designed to deal with text.

Supported File Types

This tool can decode various file types including images (JPG, PNG, GIF), PDFs, documents (DOCX, XLSX), and more. The decoded file type is automatically detected from the Base64 string.