Do I need the "data:image/png;base64," prefix?

No. The tool figures out the format from the first bytes of the image.

Which formats are recognized?

PNG, JPG, GIF, WebP, BMP, ICO, AVIF and SVG.

Paste a Base64 code or data URI and see the image right away. The format is detected automatically, and you can download the file.

Tool

Everything is processed in your browser. Your text and files are never sent to a server.Questions about this tool?

Paste a Base64 code or data URI and see the image, with its format, size and a download button. Free and right in your browser.

Do I need the "data:image/png;base64," prefix?: No. The tool figures out the format from the first bytes of the image.
Which formats are recognized?: PNG, JPG, GIF, WebP, BMP, ICO, AVIF and SVG.