Base64 to Image Decoder

Convert Base64 encoded strings into downloadable images (PNG, JPG, WebP) online free.

  • 100% free
  • Private in browser
  • No signup
  • No watermarks
Base64
MIME Type

image/png

Estimated File Size

834 B

Dimensions

Loading…

Decoded Image Preview

Decoded base64 visual preview

Rate this tool

Be the first to rate — helps others and improves this page.

About Base64 to Image Decoder

Base64 to Image Decoder on TheToolss allows developers, webmasters, and designers to instantly convert Base64-encoded strings and Data URIs into visible, high-quality images. View image resolution dimensions, estimated file sizes, and download the decoded file as a PNG, JPG, or WebP image. Processing is 100% private in your browser.

How to use Base64 to Image Decoder

  1. Paste your Base64 encoded string or Data URI (e.g. data:image/png;base64,...) into the input box.
  2. View the rendered image preview, dimensions, and file size in real time.
  3. Click the Download Image button to save the file to your device.

Key features

  • Converts raw Base64 strings or complete Data URIs into images
  • Live visual preview with pixel dimensions and file size metrics
  • Download in original format, or export as PNG, JPEG, or WebP
  • Handles SVG, PNG, JPEG, GIF, and WebP Base64 payloads
  • 100% private and client-side decoding with no server uploads

Frequently asked questions

What formats of Base64 are supported?
The tool supports full Data URIs (e.g. data:image/png;base64,iVBORw0KGgo...) as well as raw Base64 strings without headers.
Can I download the decoded image?
Yes. You can click the Download button to save the decoded image directly to your local file system.
Does this tool work with SVGs and GIFs?
Yes. Base64-encoded SVG vector graphics and animated GIFs are fully supported and previewed in real time.
Is there a limit on image size?
Because decoding runs directly on your computer inside the browser, you can decode multi-megabyte images smoothly.
Is my Base64 string sent to any server?
No. Decoding and rendering are performed locally via the browser engine. Your data remains strictly on your device.
Base64 to Image Decoder Online Free | TheToolss