Paste a data URL or bare base64 and get the image back, ready to download. Runs in your browser, so nothing you paste is sent anywhere.
Free, no sign-up, runs in your browser
The text you paste is decoded on your own device and never sent anywhere.
100% private. The text is decoded in your browser, never sent to a server.
Quick answer
BatchSet turns base64 back into an image free and entirely in the browser, with nothing sent to a server. It accepts a data URL, bare base64, a CSS url(...) rule or a pasted img tag, and ignores line breaks and quotes. The image type is read from the decoded bytes rather than the data: header, so the file saves with the right extension even when the header is wrong or missing, and the result is previewed before download.
Three quick steps — free, private, right in your browser.
A full data URL, the base64 on its own, a CSS url(...) rule or a whole <img> tag all work.
The type is read from the decoded bytes, so it is right even when the header says nothing.
Preview it first, then save it with the right extension.
A data URL like data:image/png;base64,iVBOR…, or just the base64 part. Line breaks, quotes, a CSS url(...) wrapper and a pasted <img> tag are all stripped for you.
It reads the first bytes of the decoded data, which carry each format's signature, rather than trusting the data: header. That means a string labelled wrongly still saves with the right extension.
No. The decoding happens in your browser, so a token or a private document inside that string never leaves your device.
Something was cut off or changed, often by an editor wrapping lines or a copy that missed the end. Copy the whole string again, including the trailing = signs.
Yes, and it previews it. The SVG is shown as an image, never run as code on this page.
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Turn an image into a base64 data URL, ready to paste into CSS, HTML or Markdown. Runs in your browser, so the image is never uploaded.
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