How to Blur a Photo on iPhone: Faces, Text, Backgrounds or Any Part

If you have searched the Photos app for a blur tool, you already know the answer: there is no blur brush on iPhone. You can crop, adjust colors and draw with Markup, but you cannot paint a blur over a face, a name or a license plate with anything Apple ships.

Here is what the iPhone can do on its own. Photos taken in Portrait mode let you change the background blur with the depth slider. Markup can cover an area with an opaque shape, which hides it but does not blur it. Clean Up, added in iOS 18 for iPhone 15 Pro and later and other Apple Intelligence devices, can remove an object from a photo entirely. For a real blur on any part of any photo, you need an app or a web tool.

This guide goes through each case: background, face, text, plate, and any object you pick by hand. Every method is free, and none of them require sending your photo to a server.

What You Can Blur on iPhone, at a Glance

Blur the Background of a Photo on iPhone

This is the one case where the Photos app can genuinely help, as long as the photo has depth data.

• 1. Open the photo in Photos and tap Edit.
• 2. If the photo was taken in Portrait mode, you will see an f-number control at the top. Tap it.
• 3. Drag the slider. Lower numbers such as f/1.4 give a stronger blur, higher numbers keep more of the scene sharp.
• 4. Tap Done. The edit is non-destructive, so you can revert any time.

On iPhone 15 and later, a regular photo of a person, dog or cat may also show a Portrait toggle in the editor, because those models capture depth in the background without being asked. If the toggle appears, tap it and adjust the slider the same way.

For every other photo, there is no slider. Old photos, screenshots, images someone sent you and most non-Portrait shots have no depth data, so Photos cannot separate the subject from the background. In that case you need an app that detects the person itself. BlurQ's Background Blur does this on the device: it finds the people in the frame, keeps them sharp and blurs everything behind them, and you choose the strength. The full walkthrough is in our guide to blurring the background of a photo you already took.

Blur a Face in a Photo on iPhone

Faces are the most common thing people want to blur: a child in a group photo, a stranger in the background, a friend who did not agree to be posted. There are two ways to do it.

The fast way is an app with face detection. In BlurQ, you open the photo and the app detects every face on the device, no upload. Each face gets its own toggle, so you can tap to blur the stranger and leave your own face untouched. Pick a style, adjust the strength, save.

The free built-in way is Markup. Open the photo, tap Edit, tap the Markup icon, add a shape (the plus button, then a circle or rectangle), fill it with a solid color and drag it over the face. This hides the face completely, but it looks like a sticker rather than a blur, and you place each shape by hand. For a group photo with several faces, detection is much quicker.

Step-by-step instructions for both methods, including how to handle faces in Live Photos and bursts, are in how to blur faces on iPhone.

Blur Text, a Name, an Address or a License Plate

A screenshot of a conversation, a parcel label, a car listing, a document with your address: here the goal is that nobody can read the information. That changes which tool is best.

Markup is a good choice and it is free. Add a rectangle, set the fill to solid black or white, and cover the text. Make sure the fill is opaque. A translucent shape or the highlighter pen still lets the text show through, and so does a light blur.

If you prefer a blurred or pixelated look, use a manual blur tool. In BlurQ, blurring plates and text with the manual tool is a Pro feature, which is a one-time purchase of $9.99. Draw over the area with the brush, choose Pixelate, and push the intensity up until the letters become a few solid blocks.

One warning that applies to any app. Text is the easiest thing to recover from a weak blur, because the characters have a known shape and a known layout. A light Gaussian blur over a license plate or a phone number can sometimes be read back. For anything sensitive, use a solid cover or strong pixelation, and zoom in on the result before you share it. If you can guess a single character, make it stronger. Our license plate guide explains this in more detail.

Blur Any Object or Area by Hand

Sometimes the thing you want to hide is not a face or a line of text. It could be a screen in the background, a house number, a tattoo, a brand logo, or a messy corner of the room. For these you need a manual brush.

• 1. Open the photo in a blur app and choose the manual blur tool.
• 2. Pinch to zoom in on the area so you can work precisely.
• 3. Set the brush size. A brush slightly larger than the object means fewer strokes and cleaner edges.
• 4. Paint over the area. Most tools let you undo a stroke or erase part of it.
• 5. Adjust the intensity. Higher intensity hides more; lower intensity looks more natural for backgrounds.
• 6. If the tool offers feathering, use a soft edge for backgrounds and a hard edge for text or plates.
• 7. Zoom out, check the whole image, then save.

Feathering is the soft transition between the blurred area and the rest of the photo. A feathered edge blends in and is right for a background or a large object. For text or a plate you want the opposite: a hard edge and full strength, so nothing readable survives at the border.

Blur a Photo Without Installing Anything

If you only need to blur one photo and do not want another app, you can do it in Safari. Our free blur faces online tool detects faces in the browser and also has a manual brush for any other area.

The photo is never uploaded. Detection and blurring run inside the browser tab on your phone, so nothing leaves the device. Open the page, pick the photo from your library, tap the faces you want blurred or paint over an area, and download the result to Photos. It works on iPhone, iPad, Android and desktop browsers.

The limits are what you would expect from a web page: it is slower than a native app on large photos, and you redo the setup each time. For an occasional photo it is enough.

Step by Step in BlurQ

BlurQ is our own app, so take this section as a description rather than a neutral review. It is a free BlurQ face blur app for iPhone that runs on iOS 18 and later. Face detection, background segmentation and all blurring happen on the device. Photos are never uploaded.

• 1. Open BlurQ and pick a photo from your library.
• 2. Faces are detected automatically. Each face has its own toggle, so tap the ones you want to blur and leave the rest.
• 3. To blur the background instead, switch to Background Blur. The app separates the people from the scene and blurs everything behind them.
• 4. To blur anything else, use the manual blur tool and paint over the area. Brush size and intensity are adjustable.
• 5. Choose a style. Gaussian, Pixelate and Cover are free. Pro adds Mosaic, Hexagon, Triangle, Frost, Motion, Zoom and Bokeh.
• 6. Save. The photo is exported at its original resolution as a new file, and your original stays untouched.

Free saves carry a small watermark. You can remove it from a single save by watching a short ad, or permanently with Pro, which is a one-time purchase. Pro also unlocks the extra styles and the manual tool for plates and text. There is no subscription.

A few things BlurQ does not do, so you are not surprised: it edits one photo at a time, there is no batch mode, and it is an iPhone app rather than an iPad app.

Tips for a Natural Result

• Match the blur to the photo. A background blur should be soft and gradual. A privacy blur on a face or text should be strong enough that nothing is recognizable.
• Check at full zoom before saving. Edges that look fine on the small preview often miss a strand of hair or the corner of a plate.
• Do not stack blurs. If a photo was shot in Portrait mode, adjust the depth slider in Photos instead of adding a second blur on top.
• Cover reflections. Faces, screens and plates show up in windows, mirrors and glossy surfaces.
• Pick one style per photo. Mixing pixelation on one face and a soft blur on another looks odd.

Tips for Privacy

• For identity, use strong pixelation or a solid cover. A light blur on a face can still be recognizable to people who know the person.
• Text needs more than faces. Letters are easier to reconstruct than facial features, so go stronger on names, numbers and plates.
• Think about location data. Blurring a face does not remove the GPS position stored in the photo. In Photos, tap the info button, then Adjust under the map, then No Location, before you share. Most social apps strip this data, but messaging apps and email often do not.
• Blur on the device. If a web tool or app uploads your photo to blur it, the unblurred version has already left your phone.
• Keep the original. Save the blurred version as a new file so you can redo it if the first attempt was too weak.

Summary

The iPhone Photos app can adjust the background blur on Portrait photos and cover an area with a Markup shape, but it cannot blur an arbitrary part of a photo. For a face, use an app with face detection and a per-face toggle. For a background without depth data, use an app with person segmentation. For text or a plate, an opaque Markup rectangle is free and effective, and strong pixelation is the right choice if you want a blurred look. For anything else, a manual brush does the job.

If you do not want to install anything, the browser tool handles faces and manual areas in Safari with no upload. If you blur photos regularly, BlurQ does all of the above on the device for free.