Image Mosaic & Blur Tool
Easily hide personal information and faces in images with mosaic, blur, or solid fill. Paste screenshots directly with Ctrl+V. All processing happens in your browser.
Selection Mode
Selection Operation
Effect Type
Parameters
Pixel
My Settings
Drag & drop
or
Ctrl+V
Ctrl+V to paste screenshot
JPEG, PNG, WebP (max 20MB)
How to Use
1
Select an Image
Drag & drop, click to select, or paste a screenshot with Ctrl+V.
2
Apply Effect
Choose mosaic, blur, or fill and drag over areas to hide. Shift+drag to add, Alt+drag to subtract.
3
Download
Save as PNG/JPEG/WebP or copy to clipboard.
About Image Mosaic & Blur Tool
An online tool to hide personal information (faces, names, addresses) in photos using mosaic, blur, or fill. Optimized for screenshot processing with Ctrl+V paste. All processing happens in your browser.
Features
-
Ctrl+V PastePaste screenshots directly with Ctrl+V (Cmd+V). No need to save files first.
-
3 Effect TypesMosaic (10 patterns), blur, and solid fill to choose from.
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5 Selection ModesRectangle, circle, brush, lasso, and polygon for precise selection.
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Browser-Only ProcessingAll processing happens locally. Your images are never uploaded to any server.
Use Cases
- Hide personal info before sharing on social media
- Mask sensitive data in screenshots
- Process images for blog posts
- Blur faces or license plates
- Redact data in test screenshots
FAQ
Are images uploaded to a server?
No. All processing happens in your browser. Your images are never sent to any server.
Can I paste screenshots directly?
Yes. Use Ctrl+V (Cmd+V on Mac) to paste images from your clipboard.
When should I use mosaic vs blur vs fill?
Use mosaic or fill to securely hide information. Use blur for a natural look.
Can I process multiple areas at once?
Yes. Use Add mode (Shift+drag) to select multiple areas.
Can I change mosaic patterns?
Yes. Choose from 10 patterns including pixel, diamond, hexagon, and more.
What image formats are supported?
JPEG, PNG, and WebP. Up to 20MB.
Does it work on mobile?
Yes. Touch and pinch zoom are supported.
Can I copy results to clipboard?
Yes. Use the Copy button for PNG clipboard copy (some browsers may not support this).