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Blur Faces in Photos, Free nothing stored

Hide every face in a photo automatically

  • No upload
  • Nothing saved on our servers

JPG · PNG · WebP · HEIC

Preview
Before: Four friends laughing together at an outdoor street market, faces towards the camera — faces blurredAfter: Four friends laughing together at an outdoor street market, faces towards the camera — faces blurred
Example result · Market friends · faces blurred

Choose a file to start.

The short answer

What does the face blur do?

Use Imagera to blur faces in photos before sharing a class picture, street scene or event snapshot. This automatic face blur tool finds faces and covers them on your own device. Parents, teachers and photographers can add JPG, PNG, WebP or HEIC pictures in a supported browser on a phone, tablet or computer. The photo is not uploaded for processing; check every person in the result because detection can miss faces. 2 free downloads, 8 more after sign-in.

Published · Updated · by the Imagera team
Tool
Face Blur
Input formats
JPG · PNG · WebP · HEIC
Effect
Blur · Pixelate · Black oval
Strength
10–100
Free access
2 free downloads, 8 more after sign-in.
Batch access
Batch processing needs any paid Imagera plan; one file at a time is free.
Image and file privacy
Faces are found by a model that runs in your browser. The photo is never uploaded or saved on our servers — which matters most for the people you are hiding.
Imagera AI

How can Imagera AI help after you hide faces in a photo?

See every tool

Imagera is a browser-based AI studio for images, video, music and voice, so you do not need a separate app and account for every model. Pricing is credit-based: one balance covers every tool, and each job shows its credit price or estimate before you run it.

8 AI tools for your next step

AI tools to use after the Face Blur

Inspect the difference

Face Blur: before and after

Recorded results from this tool. Results vary with the source image, settings and device. Drag each handle to compare.

Before: Four friends laughing together at an outdoor street market, faces towards the camera — faces blurredAfter: Four friends laughing together at an outdoor street market, faces towards the camera — faces blurred
Market friends · faces blurred
Before: Pedestrians crossing a sunny city street, several faces towards the camera — faces blurredAfter: Pedestrians crossing a sunny city street, several faces towards the camera — faces blurred
Street crowd · faces blurred
Before: Three friends at a night party photographed with a direct on-camera flash, red-eye in every eye — faces blurredAfter: Three friends at a night party photographed with a direct on-camera flash, red-eye in every eye — faces blurred
Flash friends · faces blurred
Good to know

Did you know? Face hiding facts

  1. The detector can find up to 10 faces per scan. Overlapping scans can add more, so this is not a ten-person limit for the whole photo.

  2. Each detection copy is at most 1280 pixels on its longest side. The face positions are mapped back onto the working photo before hiding them.

  3. If detection finds 0 faces, the run reports that nothing was found instead of producing a new unchanged result.

Find faces across the group, then check the count

Automatic detection looks at the whole photo and overlapping parts of it to look for smaller faces. The tool covers every face it detects with the same selected effect and reports how many it hid. You do not have to draw an outline around each person.

Compare that number with the people in the picture, then inspect their faces individually. A matching count is useful, but it does not prove the coverage is correct: a face-like object can be detected while a real person is missed.

Choose how much facial detail remains

The Effect choices are Blur, Pixelate or Black oval, with Blur selected initially. Softening blends nearby colors; a mosaic replaces patches with their average color; a solid cover replaces the color inside the detected oval with black.

The Strength control starts at 60. Raising it increases blur radius or mosaic block size relative to each face. It does not make the solid cover darker or enlarge the detected oval. Review the face boundary as well as the center.

Look for distant faces and uncovered profiles

Small background faces, turned heads and partly covered faces need a close look. The extra scans help search for them but cannot guarantee that everyone is found. If nothing is detected, the tool asks for a photo with clearer faces.

There is no manual box or brush here to cover a missed person. Try a closer crop in another editor, or cover the missed area there before sharing. Increasing effect strength changes an existing mask; it does not repair a missing detection.

Review more than faces in a school or street photo

For children’s photos, protest photos or bystanders in a street scene, inspect the finished image before posting. Check the edges of each covering, reflections and people at the back of the scene. Share the edited file, keeping the original separate.

Face hiding does not cover names on clothing, school signs, badges or license plates. It also cannot promise that someone is unrecognizable from their surroundings. If those details matter, crop them away or cover them in an editor with manual redaction.

Keep the unhidden photo on your device

The browser loads the face model and processing code, then reads and edits your picture locally. Your photo is not sent to a server for face detection or hiding. The face detector needs a model download, and other page requests also use the network.

Face hiding needs a phone, tablet or desktop browser that can run the detection model. Large images may be reduced to fit the device’s canvas limits. The result is a newly encoded picture, so its file size or file type can change. Check the saved copy before sending it.

Keep people covered or change the scene itself

This tool leaves people in the scene and covers detected faces. It does not remove their bodies, replace their identities or let you describe a different background. It also cannot leave a chosen person visible while hiding everyone else.

For a creative change, the linked Edit Image tool accepts instructions to modify picture content. Use it to describe a replacement or another edit. Generated changes are a different job from covering faces and are not a guarantee of anonymity.

How do you use the face blur?

  1. Open the group picture

    Choose a JPG, PNG, WebP or HEIC photo and note the people whose faces need covering.

  2. Set the face covering

    Choose from Blur, Pixelate or Black oval, then adjust Strength for the amount of softening or pixelation you need.

  3. Run and inspect each person

    Start face hiding, compare before and after, and check the reported face count against the picture.

  4. Save your result

    2 free downloads, 8 more after sign-in.

When is the free face blur enough?

Choose by the result you need. Paid AI generation uses credits.
This free toolPaid AI tools
Covers detected faces while leaving people in the sceneEdit Image accepts requests to remove a person or change picture content
Applies one selected hiding effect to all detected facesEdit Image uses written instructions for changes such as adding objects
2 free downloads, 8 more after sign-in.Paid tools use their own displayed prices and access conditions.

Face Blur: questions and answers

How do I blur faces in a photo automatically?

Add the picture, choose the effect and start processing. The model finds faces before the tool covers them. Inspect the finished preview for missed people and incomplete coverage.

Can I hide faces without uploading my picture?

Yes. Detection and face covering run inside your browser using the local picture. Network requests load the model and page resources, rather than sending the unhidden image for processing.

Can I use face blur on iPhone or Android?

Use a current phone browser with the required model-processing support. There is no separate app to install. If the browser cannot run the model, try an updated browser or a computer.

Should I blur, pixelate or black out a face?

Soft blur blends facial features, while pixelation turns them into blocks. A solid black covering replaces the color throughout the oval instead of blending facial colors. Choose that covering when you want to remove the visible detail inside the mask, then check its edges.

Why does a face still look recognizable after blurring?

A light effect can leave useful facial shapes and colors visible. Increase Strength or switch to solid coverage. Strength alone does not change the mask boundary, and clothing or other visible details can still identify someone.

Can it hide multiple faces in a large group photo?

Yes. It combines detections from the full picture and overlapping regions. More people can be found across those regions than in one scan, but a large crowd still needs a person-by-person review.

What should I do if automatic detection misses a face?

Use a closer crop or a manual redaction editor to cover that person. This tool has no hand-drawn mask control. Tiny faces and obscured features may remain undetected even after another run.

Why does it say no faces were found?

The model did not return a face it could cover. That run produces no new result. Try a clearer source with larger, more visible faces; do not treat the message as confirmation that the picture is ready to share.

Can I leave myself visible and hide everyone else?

No. The same effect is applied to every detected face, with no per-person switch. For a group portrait where one person must stay visible, use an editor that lets you choose individual masks.

How should I hide children’s faces before posting school photos?

Run face hiding, then examine each child in the result, including those at the back. Also check name tags, uniforms and signs. Covering faces alone does not remove those other visible clues.

Does this also blur license plates, names or badges?

No. It searches for faces, not text or vehicle plates. Cover those details separately with a manual editing tool, or crop them out of the image you plan to share.

Can someone unblur a face in the saved photo?

The saved picture has no editable face mask to switch off, but that is not proof that a blur prevents recognition. Blending and pixelation retain some information. A solid cover replaces colors inside its oval; anything outside that area remains visible.

Which photo types can I open, and does export keep the same quality?

Face detection can read JPG, PNG, WebP or HEIC photos. The engine encodes a new image rather than copying the original file unchanged. Very large pictures can be reduced to fit the device, and the output type can differ. Keep your source file.

Why does face detection take time on the first run?

The browser may need to load the model before scanning the picture. Group photos can require several passes as well. Connection speed, photo dimensions and the device affect the wait; there is no fixed completion time.

Can I blur moving faces in a video here?

No. This tool handles still pictures. It has no video timeline or tracking across frames, so hiding faces in a clip needs a video editor with those controls.

Do I need to sign up or sign in to use the blur faces in photos, free?

Your first 2 downloads are free with no account. Sign in free for 8 more. Any paid Imagera plan makes downloads unlimited, and adds AI credits for the paid tools. Processing and the preview are always free.

Will the download have a watermark?

Your first 2 downloads and every download on a paid plan have none. Free downloads 3 to 10, after sign-in, carry a small “Made with imagera.ai” badge in the corner. The result on screen is always clean.

Can I batch blur faces across multiple photos?

Batch processing needs any paid Imagera plan; one file at a time is free.

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