Is the data:image/ prefix required?

Both with and without the prefix are supported.

Which image formats are supported?

PNG, JPEG, GIF, WebP, SVG, and other browser-supported formats.

No. All processing happens in your browser.

An error message will be shown. Conversion is possible as long as the input is a valid Base64 format, with or without the data:image/ prefix.

The image is downloaded with a filename based on the MIME type in the Base64 string (e.g. image.png).

Convert Base64 encoded string to image, preview and download. Free and browser-based.

Base64 Input

Is the data:image/ prefix required?: Both with and without the prefix are supported.
Which image formats are supported?: PNG, JPEG, GIF, WebP, SVG, and other browser-supported formats.
Is my data sent to a server?: No. All processing happens in your browser.
What happens if I enter an invalid Base64 string?: An error message will be shown. Conversion is possible as long as the input is a valid Base64 format, with or without the data:image/ prefix.
What filename will the converted image be saved as?: The image is downloaded with a filename based on the MIME type in the Base64 string (e.g. image.png).

Last Updated: 2026-02-21