Image Converters

Base64 to Image Decoder

Paste a Base64 data URI (or raw Base64 string) and instantly view and download the decoded image, directly in your browser without any server processing.

Paste data URL to preview Browser-only Download as PNG or JPG
Options

All image processing uses your browser's Canvas API; files never leave your device

Features

  • Decodes data:image/... URIs and raw Base64 strings
  • Preview decoded image before downloading
  • Choose output format: PNG, JPG, or WebP
  • No upload, fully local

How to use it

  1. Paste your Base64 string or data URI.
  2. The image preview appears immediately.
  3. Click Download to save the image file.

Use cases

  • Extracting embedded images from HTML or CSS code
  • Debugging Base64-encoded image data
  • Converting API-returned images to downloadable files

Limitations

  • Data URI input must include an image MIME type so the browser can preview it.
  • Browser canvas export may remove embedded metadata and color profile information.
  • Very large images depend on available browser memory and device performance.
See also

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Questions & answers

Frequently asked

What if my Base64 has no data: prefix?

Paste it directly. The tool detects raw Base64 strings automatically and lets you select the mime type.