Will the blurred face be reversible?

At 30+ px Gaussian blur, no - facial features are mathematically destroyed. For maximum security on sensitive material (witness protection, court evidence), use our pixelate-face-in-photo tool with 30+ px block size, or fill the area with a solid colour in the AI editor.

Can I blur multiple faces in a group photo?

Yes - drag a separate ellipse over each face. There's no cap on regions; we've tested with 15+ ellipses on a single 12 MP group photo without performance issues.

Why is the default shape an ellipse instead of rectangle?

Faces are oval-shaped. An elliptical mask covers a head naturally without leaving sharp rectangle borders that cut through hair, ears, or shoulders. Ellipse looks more polished and the blur edge feels less artificial.

Does this auto-detect faces?

Not in this tool - it's manual. Auto face detection (using on-device ML) is on our roadmap as a separate /features/blur-faces-automatically page. Manual selection takes ~5 seconds per face and gives you full control over what gets covered.

Does this upload my photo?

No. Face blur runs entirely in your browser using a manual Gaussian blur algorithm. Your photo (and the faces in it) never leave your device.

100% browser-side · No upload · Free

Blur Face in Photo

Drag an ellipse over each face you want hidden - the perfect shape for natural face coverage. Multi-face support for group shots, instant Gaussian blur, 100% browser-side.

Drop a photo to start

JPG, PNG, WebP, HEIC up to 40 MB · stays in your browser

Never uploaded · 100% browser-side

No upload · stays in browserInstant · no waitingFree · no signup, no watermark

How it works

1
Drop your photo
Drag & drop or browse to upload. JPG, PNG, WebP, HEIC up to 40 MB. We pre-place a default ellipse in the centre - move it onto a face.
2
Cover each face with an ellipse
Drag to position over a face, corner handles to resize. Add another ellipse for each additional face. The ellipse shape covers heads naturally without cutting off ears or hair.
3
Tune intensity, save
Slider 2-80 px. 20-40 px gives full unrecognisability while still reading as 'a face'. Save in any format - blur is baked into the output.

Why use this online tool

Ellipse default for natural face shape

Faces are roughly oval-shaped, so an elliptical mask covers a head naturally - no awkward rectangle borders cutting through hair, ears, or shoulders.

Multi-face support

Drag multiple ellipses to cover everyone in a group photo. Each blurs independently with the same intensity setting.

Strong privacy guarantee

Gaussian blur at 30+ px is irreversible - facial features are genuinely lost. Safe for posting children's photos, witness photos, group shots where some people didn't consent.

Free, browser-side

Photo never leaves your device. No upload, no signup, no per-face cost. Output has no watermark.

When to use it

Hiding bystanders' faces in event / venue photos before posting publicly
Protecting children's faces in school / family photos shared online
Witness protection in journalism photos and news media images
Removing identifiable people from real estate / location listings
Sharing group photos publicly while respecting some attendees' privacy
Sales / marketing material that needs to anonymise faces before A/B testing

Frequently asked questions

Will the blurred face be reversible?: At 30+ px Gaussian blur, no - facial features are mathematically destroyed. For maximum security on sensitive material (witness protection, court evidence), use our pixelate-face-in-photo tool with 30+ px block size, or fill the area with a solid colour in the AI editor.
Can I blur multiple faces in a group photo?: Yes - drag a separate ellipse over each face. There's no cap on regions; we've tested with 15+ ellipses on a single 12 MP group photo without performance issues.
Why is the default shape an ellipse instead of rectangle?: Faces are oval-shaped. An elliptical mask covers a head naturally without leaving sharp rectangle borders that cut through hair, ears, or shoulders. Ellipse looks more polished and the blur edge feels less artificial.
Does this auto-detect faces?: Not in this tool - it's manual. Auto face detection (using on-device ML) is on our roadmap as a separate /features/blur-faces-automatically page. Manual selection takes ~5 seconds per face and gives you full control over what gets covered.
Does this upload my photo?: No. Face blur runs entirely in your browser using a manual Gaussian blur algorithm. Your photo (and the faces in it) never leave your device.

Related free tools

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Censor Photo Online

Block out faces, plates, IDs, NSFW areas, or screen content with hard mosaic censorship. Drag rectangles or ellipses, tune block size, save - 100% browser-side, no upload.

Need more than just blur face in photo?

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