Base64 to Image Decoder
Paste a Base64 data URI (or raw Base64) and instantly preview the image and download it as a file. The format is detected automatically from the data URI header. All processing runs locally in your browser. Your data is not uploaded to any server. 100% Local
đŧī¸Paste Base64 to preview
How to Use Base64 to Image
- Paste the Base64 string into the left textarea. A full
data:image/png;base64,...URI works, as does the raw Base64 body alone. - Click Decode â the image appears on the right with its dimensions and detected format.
- Download â the suggested filename uses the detected extension (e.g.
image.png).
Supported input
Any Base64-encoded image: PNG, JPG, WebP, GIF, BMP, SVG. The decoder reads the MIME type from the data URI header when present; if you paste raw Base64, it falls back to PNG.
Features
- Accepts full data URIs or raw Base64 bodies.
- Automatic format detection and correct file extension.
- Live preview with dimensions and file size estimate.
- One-click download of the decoded image.
- All processing runs locally in your browser. Your data is not uploaded to any server.