Blur faces in a photo, privately.
Hide faces of children, bystanders, customers, or anyone who did not agree to be online. BlurImage finds faces automatically and blurs them on your device. Your photo is never uploaded.
How to do it, step by step
- Open the free blur tool and choose a JPG, PNG, or WebP photo. It opens locally on your device.
- Run automatic face detection, or pick the circle selection and draw over each face by hand.
- Choose Soft blur for a natural look or Pixelate for obvious redaction, then raise the strength until the face is unrecognizable.
- Apply the effect, zoom in to check the edges, and use undo if you need to adjust.
- Download the image. It keeps its original dimensions and has no watermark.
When should you blur a face?
Blurring faces is the simplest way to share a photo while respecting other people's privacy. Common reasons include:
- Children in photos: school events, sports days, and birthday parties shared on social media.
- Bystanders in street photos: people who happen to be in the background of a travel or real-estate photo.
- Customers and staff: store, restaurant, or event photos used in marketing.
- Evidence and reports: incident photos, reviews, or news tips where identities must be protected.
- Privacy law compliance: rules such as GDPR can require consent before publishing an identifiable face.
Tips for blurring faces properly
Cover more than the face
People can be recognized from hair, ears, tattoos, and jewelry. Draw the selection slightly larger than the face itself.
Use enough strength
A light blur on a large, high-resolution face may still be recognizable. Increase the blur radius or pixel size until no features remain.
Check the whole image
Look for faces in reflections, on screens, in posters, and far in the background. Automatic detection can miss small or side-facing faces, so add manual selections where needed.
Why local processing matters: a photo that needs its faces hidden is exactly the kind of photo you should not upload to an unknown server. BlurImage decodes and edits the image in your browser.
Frequently asked questions
How do I blur a face in a photo for free?
Open the BlurImage editor, load your photo, and use automatic face detection or draw a circle over the face. Choose soft blur or pixelate, apply it, and download. It is free with no signup or watermark.
Can BlurImage detect faces automatically?
Yes. The editor includes local face detection that finds faces in the image and adds a selection for each one. Detection runs in your browser, so the photo is never uploaded. Always check the result and add a manual selection for any face it misses.
Is it safe to blur faces with an online tool?
It depends on whether the tool uploads your photo. BlurImage processes the image on your device, so the original is not sent to a server. That makes it suitable for photos of children, customers, or bystanders.
Should I blur or pixelate a face?
Soft blur looks more natural and suits social posts. Pixelation is more obvious and signals clearly that the face was hidden on purpose. For strong anonymity, use a large pixel size or a high blur strength and cover the whole head, including hair and ears.
Can I blur several faces in one photo?
Yes. Each face gets its own selection, and you can apply the effect to all of them before downloading one finished image.
Can someone unblur a blurred face?
Weak blur on a large face can sometimes be partially reversed or guessed. Use a strong setting, cover the full face, and check the downloaded image before sharing it.