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Kordu Tools
Image Tools Runs in browser AI Updated 01 Apr 2026

Face Blur Tool

Auto-detect and blur faces in photos with AI. GDPR-friendly privacy protection — runs entirely in your browser.

Click to upload or drag and drop

PNG, JPG, JPEG, WEBP, BMP up to 50MB

Automated detection may miss some faces. Use the blur censor tool for manual control.
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How to use Face Blur Tool

  1. Upload your photo

    Click the upload area or drag and drop any PNG, JPG, WebP, or BMP image. The AI automatically scans for faces on upload.

  2. Review detected faces

    Each detected face appears in the panel with a thumbnail and toggle. All faces are blurred by default.

  3. Toggle individual faces

    Use the toggle next to each face thumbnail to selectively blur or reveal specific individuals. Blur All and Reveal All buttons give quick control.

  4. Choose blur style and strength

    Switch between pixelate (blocky mosaic) or blur (smooth Gaussian) effect. Drag the strength slider to control intensity.

  5. Download the result

    Click Download to save the processed image as PNG with your selected faces blurred.

Face Blur Tool FAQ

Does the tool upload my photos?
No. Face detection and blurring run entirely in your browser using WebAssembly. Your photos are never sent to any server — processing is completely private.

How accurate is the face detection?
The MediaPipe model performs well on frontal and near-frontal faces in reasonable lighting. Side profiles, very small faces (under ~50px), heavily obscured faces, or faces in poor lighting may be missed.

What if the AI misses some faces?
Use the Image Blur & Censor tool to manually draw blur regions over missed faces. Combining both tools gives complete coverage for any image.

What's the difference between blur and pixelate?
Blur applies a smooth Gaussian effect that softens and obscures facial features. Pixelate replaces the face area with large color blocks (mosaic effect). Both effectively conceal identity.

Is this tool GDPR compliant?
Blurring faces before publication helps meet GDPR Article 4 requirements for pseudonymization of personal data in photos. All processing is local — no facial data is transmitted to any server. Consult your legal team for your specific compliance obligations.

Can I blur faces selectively?
Yes. Each detected face has an individual toggle — blur some faces while keeping others visible. Useful for protecting bystanders while keeping your subject identifiable.

What image formats are supported?
PNG, JPG/JPEG, WebP, and BMP files up to 50MB. Output is saved as PNG to preserve quality after blurring.

Does it work on mobile?
Yes. The tool works in any modern mobile browser. Touch controls are supported for toggling individual face panels.

Why are some faces not detected?
The model is optimized for frontal faces. Side profiles, very small faces, faces partially covered by hair or accessories, or images with extreme lighting conditions may not be detected. Use the manual blur censor tool for comprehensive coverage.

Background

Protecting privacy in photos has never been faster. This AI-powered face blur tool uses Google's MediaPipe face detection model (under 2MB) to automatically find every face in your image, then lets you blur or pixelate them individually with a single toggle.

Per-face controls give you precise editing power: blur all faces with one click, or selectively keep some visible while hiding others. Choose between smooth Gaussian blur (hazy, natural-looking) or blocky pixelation (classic mosaic effect), and dial in the intensity with a strength slider.

Use cases span personal privacy and professional compliance: anonymizing group photos before posting to social media, redacting identities for journalism or research, preparing images for GDPR-compliant publication, censoring faces in user-generated content, and protecting bystanders in street photography. For faces the AI misses — side profiles, very small faces, or heavy occlusion — combine with the manual Image Blur & Censor tool.

All processing runs in your browser. Your photos are never uploaded to any server. The MediaPipe model is under 2MB and loads quickly on any device.

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