How to Blur Faces on iPhone (3 Ways, Including Without an App)

The short answer first: the iPhone has no built-in tool that blurs a face. The Photos app can crop, adjust colours and remove objects, but there is no blur brush and no face-anonymising feature. Portrait mode blurs the background behind a person, which is the opposite of what you want when you are trying to hide someone. The Markup tool can cover a face with a solid shape, which works, but it is a cover, not a blur.

So if you want to blur faces on iPhone, you have three realistic options. You can cover the face with Markup and skip installing anything. You can use a free face blur app that finds faces for you. Or you can open a web tool in Safari and blur the photo there without installing an app at all.

This guide walks through all three, explains what each one can and cannot do, and ends with the part most guides skip: which kind of blur actually hides a person, and what to check before you post.

Method 1: Cover a Face Without an App (Markup)

Markup is built into the Photos app, so this method needs nothing extra. It does not blur. It places an opaque shape over the face, which hides it just as well as a blur does, as long as the shape is fully solid.

• Open the Photos app and tap the photo you want to edit.
• Tap Edit in the top corner, then tap the Markup icon (the pen tip in a circle).
• Tap the plus button and choose Add Shape. Pick the square or the circle.
• Tap the shape, then open its style options and switch from outline to filled. Set the colour to black or any solid colour.
• Drag the shape over the face and use the blue handles to resize it until the whole face, including hair line and chin, is covered.
• Check the opacity. If the colour picker shows an opacity slider, make sure it is at 100 percent. A half-transparent shape still shows the face underneath and can be read by anyone who increases the contrast.
• Tap Done, then Done again to save. Photos keeps the original, so you can revert later if you need to.

This is good enough for one face in one photo. It gets tedious fast for a group photo or a batch of pictures, because every face needs its own shape and every shape needs to be resized by hand.

Two honest caveats. First, Markup edits in Photos are non-destructive on your own phone, which is convenient, but the exported or shared copy is flattened, so the cover cannot be removed by the recipient. Second, a thin pen scribble is not a safe cover. Use a filled shape, not the pen or the highlighter, and make sure no part of the face shows at the edges.

On iOS 18 and later, Photos also has Clean Up, which removes unwanted objects or people from a scene. It is designed to erase a stray passer-by from the background, not to anonymise a person who is meant to stay in the picture. It also tends to leave visible smudges on larger subjects. For hiding a face while keeping the person in the shot, it is the wrong tool.

Method 2: Blur Faces Automatically With a Free App

If you blur faces more than once in a while, or you have group photos, an app that finds the faces for you saves most of the work. We make one, so here is the disclosure: BlurQ is our app. It is free on the App Store, runs on iPhone with iOS 18 or later, and does the face detection on the device itself. Nothing is uploaded to a server.

Here is how to blur a face with the BlurQ face blur app for iPhone.

• Open BlurQ and pick a photo from your library. There is no account to create.
• BlurQ scans the photo and marks every face it finds. The detection runs on your iPhone, so it works offline.
• Tap any face to switch its blur on or off. This is the part that matters for group photos: blur the strangers, keep your friends.
• Choose a style. Gaussian blur, Pixelate and Cover are free. Pro adds Mosaic, Hexagon, Triangle, Frost, Motion, Zoom and Bokeh.
• Adjust the intensity. For strangers and children, push it high enough that the face becomes a few solid blocks. See the section on reversibility below.
• If the detector missed a face that is turned away or very small, use the manual brush to paint over it.
• Save. The photo is written at its original resolution, and the saved copy carries no location or camera metadata.

About cost, plainly. The app is free to use and the saves are free, but free saves carry a small BlurQ watermark. You can remove it from a single save by watching one short ad, or remove it permanently with Pro, which is a one-time purchase of $9.99 rather than a subscription. Pro also adds automatic detection of license plates and text, the extra blur styles, and full-length video.

BlurQ also handles video. It detects the faces, tracks them from frame to frame, and keeps the blur attached as people move. If that is what you are after, the steps are in our guide to blurring faces in videos.

Method 3: Blur Faces in Safari With Nothing to Install

If you only need this once, you do not have to install anything. Our free tool to blur faces online runs in Safari on the iPhone. You open the page, pick a photo, and the face detection runs inside the browser on your phone. The photo is never uploaded.

You get the same core choices as the app: blur, pixelate or mosaic, an intensity slider, and a manual brush for anything the detector misses. When you are done, save the result back to your camera roll from the share sheet. There is no watermark on the web tool.

The trade-offs are the usual ones for a browser tool. It is a little slower on very large photos, it does not do video, and you need to be online to load the page in the first place. For a one-off blur before posting, it is the quickest route that does not involve the App Store.

Which Blur Actually Hides Someone

This is the part that decides whether the edit did its job. A light Gaussian blur looks tidy, but it smears the information rather than destroying it. Researchers have shown that weak blur over a face can be partially reversed, and face recognition systems can sometimes match a lightly blurred face against a clear photo of the same person. The more someone wants to identify the person, the less a soft blur protects them.

The safe choices are strong pixelation or a solid cover. At high intensity, pixelation reduces a face to a handful of flat blocks, and there is nothing left to reconstruct. A filled shape from Markup or the Cover style in BlurQ hides everything underneath it. If you prefer the look of a blur, use a heavy one, not a subtle one.

Whichever you choose, zoom in on the result before you share it. If you can still make out eyes, a nose or the shape of the mouth, increase the intensity or enlarge the area. Hair, ears, tattoos and clothing can also identify someone, so for strangers and children it is worth covering a little more than just the face. We go deeper into the trade-offs in our guide to pixelating and censoring faces in photos.

How to Blur Only One Person in a Group Photo

This is the most common real-world case: a photo of your friends at a wedding, a school event or a restaurant, with one or two people in the frame who did not agree to be posted.

In BlurQ, every detected face has its own toggle. Open the photo, tap the faces you want hidden, leave the rest alone, pick a style and intensity, and save. Everyone else stays sharp and the picture still looks like a normal photo.

With Markup, the workaround is to add one filled shape per face you want to hide and resize each one by hand. It works, but it is slower, and the photo ends up with visible black boxes rather than a blur. For one extra person it is fine. For a crowd shot it is worth using a tool with detection.

Before You Post: Check What Else the Photo Reveals

A blurred face is not the only thing in a photo that identifies someone. Two more checks take under a minute.

Location data. Photos taken with the iPhone camera store GPS coordinates in their metadata. Photos saved from BlurQ carry no location or camera data at all. If you edited with Markup, strip the location when you share: in the share sheet, tap Options at the top and switch Location off. Most social networks remove this metadata on upload, but messaging apps and email often do not.

Reflections and background. Faces show up in mirrors, windows and sunglasses. Name tags, house numbers, school logos and phone screens can identify people too. Our checklist for censoring photos for social media covers the full list.

One more thing: do not rely on Instagram, TikTok or Snapchat stickers to do the hiding. A sticker placed in the app can shift, shrink or be removed when the post is downloaded, remixed or screenshotted, and the original photo may still be in the upload. Blur the photo on your phone first, then post the blurred copy.

Which Method Should You Use?

Wrapping Up

The iPhone does not blur faces on its own. Markup can cover a face with a solid shape, which is enough for a single photo. For anything more, use a tool that finds the faces for you: the BlurQ app if you want it on your phone, or the browser tool if you only need it once. Whichever you pick, choose a strong pixelation or a cover rather than a soft blur, zoom in to check the result, and strip the location data before you share.

For the broader picture across iPhone, Android and desktop, see our main guide to blurring faces in photos.