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Private browser tool
Base64 to Image Converter
Decode base64 URI strings back into static image files instantly for local download. Runs in your browser with no account required.
Always Free
Local processing
No account needed
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Drag & drop your image here
Supports JPG and PNG • Up to 50MB
Supports JPG, PNG, and WebP • Up to 50MB and 40 megapixels
Tab Preview Simulation
Original: {{ formatBytes(originalFile.size) }}
Optimized: {{ formatBytes(outputBlob.size) }}-
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Dimensions: {{ outputDimensions }}
The uploaded file format is already matching the requested conversion format. Compression will still apply.
WebP compression preserves alpha transparency channel presets. Converting transparent PNGs to JPEGs will discard transparency backgrounds.
Compression Quality
{{ quality }}%
Output Format
Width (px)
Height (px)
Platform Size Presets
Crop & Fit Mode
Padding Fill Color:
Crop Positioning Align
Resize Scale
{{ resizePercent }}%
Select Crop Aspect Preset
Crop Frame Size Scale
{{ cropScale }}%
Circle Crop Size Scale
{{ cropScale }}%
Rotate Angle
Flip Asset Mirror
Flip Asset Mirror
Watermark Text
Font Size (px)
Font Color
Opacity ({{ Math.round(watermarkOpacity*100) }}%)
Position
Click anywhere on the image above to select pixel color
{{ pickedColor }}
{{ pickedColorRgb }}
Download Favicon Outputs
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Paste Base64 Encoded Image Code (e.g. data:image/png;base64,...)
Target Output Format
Images workflow
Processed locallyZero file uploads to Beginware
How to use Base64 to Image Converter
Decode base64 URI strings back into static image files instantly for local download.
-
Prepare an image data URI
Copy a complete Base64 image data URI including its data:image/...;base64, prefix.
Step 1 of 3 -
Decode in the workspace
Paste the string into the Base64 input and use the decode action to create the image preview.
Step 2 of 3 -
Verify and download
Check that the decoded image is the expected picture before downloading it.
Step 3 of 3
No account required
Works instantly in browser
Always review important output
- Input
- Base64-encoded image data
- Expected prefix
- data:image/...;base64,
- Result
- Decoded image file
Example workflow
- Input Sample
- A valid data:image/png;base64,... URI
- Generated Result
- The PNG represented by the encoded bytes.
Limits and Considerations
- The data must represent an image your browser can decode. Base64 decoding cannot repair a truncated or corrupted image.