Base64 to Image Decoder
Paste a Base64 data URL to preview and download the image. Runs entirely in your browser — nothing is uploaded.
Paste a Base64 data URL above and click Preview.
Pure browser JavaScript (HTML canvas) — no upload.
How to use this tool
- Paste a Base64 data URL into the box.
- Click Preview.
- Download the image.
Paste a Base64 data URL to preview and download the image. Runs entirely in your browser — nothing is uploaded.
Frequently asked questions
- Where does the decoding happen?
- Entirely in your browser — no data is sent to any server.