Base64 to Image
Decode Base64 to an image
Browser-only processing
Files are processed in your browser — nothing is uploaded.
Related tools
More browser-based tools for this workflow.
What this tool does
Decode a Base64 string or data URL back to a viewable, downloadable image. Auto-detects the MIME type from data URLs.
Base64 to Image is a free image utility that gets the job done without installing software or creating an account. The whole process runs inside this browser tab, so your input never leaves your device. Common searches that land here include image tool, decode base64.
Key features
- Accepts a full data URL or a raw Base64 string with a chosen MIME type
- Auto-detects the MIME type when a data: prefix is present
- Live preview with detected format, plus a clear invalid-Base64 error state
- Download decodes through fetch and saves with the correct file extension
- Runs entirely in your browser — no string is ever uploaded
Common use cases
- Recovering an image from a Base64 string copied out of a JSON payload
- Inspecting an inline data URL pulled from CSS or HTML source
- Debugging an API that returns images as Base64
Things to know
- Invalid or truncated Base64 cannot be repaired — re-copy the source
- Very large strings (tens of MB) may be slow to render or download on phones
Privacy & local processing
Base64 to Image processes everything inside your browser — your files and text are never uploaded to a server, never logged, and never shared with third parties.How to use Base64 to Image
- 01
Paste a Base64 string or full data URL.
- 02
If pasting raw Base64, pick the MIME type so the preview can render.
- 03
Download the decoded image with the correct file extension.
Frequently asked questions
Is my data uploaded anywhere?
No. Every tool on WebToolsLabs runs entirely inside your browser. Your data never leaves your device.
Is this tool free?
Yes. All tools on WebToolsLabs are 100% free with no signup, no watermarks, and no usage limits.