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Base64 Image Decoder

Conversion

Decode Base64 data URLs back to image files for download or inspection.

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Base64 Data
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Paste Base64 data above to decode to image

A base64 data URL pulled from an API response, a config file, or a browser's developer tools is just a long string of characters until it's actually turned back into a viewable image, and the real need at that point usually isn't encoding anything new, it's seeing what the string actually represents and getting a real file out of it. This tool decodes a base64 data URL back into an image file, ready to view, inspect, or download, built specifically for the decode direction rather than a bidirectional encode-and-decode tool.

See more about the Base64 Image Decoder

Useful for turning a base64 string copied from an API response into an actual downloadable image file, inspecting what a data URL embedded in a config file actually depicts before trusting it, or recovering a viewable image from base64 text found in an email or a document.

Key features

  • Clean interface
  • Fast processing
  • No signup required
  • Works offline

Quick answers for Base64 Image Decoder

How is this different from the Base64 Image Converter?
This tool is decode-only: paste or load a Base64 string and it reconstructs the image and gives you a download link. It doesn't have an encode mode for turning an image into Base64, which is what the Converter tool is for.
Can I load Base64 data from a file instead of pasting it?
Yes. The Load from file button accepts a .txt or .b64 file containing the Base64 string, reads it as text, and decodes it the same way as pasted input.
What happens with invalid Base64 data?
You'll see an "Invalid Base64 image data" message instead of a broken image, since the decode step wraps the atob call in error handling rather than letting it fail silently.