Built for debugging
Whitespace is normalized and obvious JSON string wrappers are extracted safely.
Developer · Free, no signup
View a Base64 image
A quick debugging surface for API responses, data URIs, JSON values, and database blobs.
- No watermark
- Stays in your browser
- Real quality controls
Runs here in your browser. Very large values are blocked before decoding to protect the tab.
Your decoded image appears here.
Browser-only tool. The image or Base64 value is not uploaded.
Three clean steps
Get the result, then get on with it
The workspace keeps choices close to the file. Explanations stay down here.
- Paste the value.
- Inspect the decoded preview and details.
- Download only if you need the bytes.
Worth knowing
View a Base64 image, with the tradeoffs visible
Solve the whole problem
Useful guides for this tool
01
Base64 images explained
Learn what Base64 is, why it adds overhead, when Data URIs help, and when normal image files are better.
Read and use the tool ↗02How to embed a Base64 image in HTML or CSS
Create a Data URI, place it in HTML or CSS, and know when a normal image URL is the better choice.
Read and use the tool ↗03How to decode Base64 to an image safely
Normalize a Base64 value, detect the real image type from bytes, preview it safely, and download the result.
Read and use the tool ↗04The best image format for the web
Choose image formats by content, compatibility, alpha, animation, and performance rather than fashion.
Read and use the tool ↗05Image optimization for Core Web Vitals
Improve image loading with responsive dimensions, stable layout space, compression, priority, and measured page testing.
Read and use the tool ↗