Edit photos and videos on iPhone
Use the tools in the Photos app 
to edit photos and videos on your iPhone. When you use iCloud Photos, any edits you make are saved across all your devices.
See Use iCloud Photos on iPhone.
Edit a photo
In an album or moment, tap a photo thumbnail to view it in full screen.
Tap Edit, then select a tool to make your adjustments. You can do any of the following:
Use the Remove Red-eye tool
when you take a photo with flash. Tap the tool, then tap each eye that needs to be corrected.Tap
to use the Crop tool. Photos suggests an optimal crop, or you can pinch the photo open or closed to set your own. For a standard crop ratio like 2:3 or Square, tap 
. Tap 
to rotate the photo 90 degrees, or rotate the wheel to tilt or straighten.
Use photo filters
to apply different effects, such as Vivid, Dramatic, or Silvertone.Adjust settings for light, color, or black and white. Tap
, tap an option, then drag the slider to the desired effect. To make fine adjustments, tap 
.
Tap Done to save your edits.
If you don’t like your changes, tap Cancel, then tap Discard Changes.
Tip: As you edit a photo, touch and hold the photo to compare the edited version to the original.
Photo app extensions can provide additional editing options. See the Apple Support article How to edit with third-party apps and extensions in Photos.
Revert an edited photo
After you edit a photo and save your changes, you can revert to the original image.
Open the edited image.
Tap Edit, then tap Revert.
Tap Revert to Original.
Edit a Live Photo
In addition to using the photo editing tools like adding filters or cropping a photo, you can also change the keyframe, trim the length, or mute the sound in your Live Photos (available on supported models).
Open the Live Photo.
Tap Edit, then do any of the following:
Set a key photo: Move the white slider on either end to change the frame. Tap Make Key Photo, then tap Done.
Make a still photo: Tap the Live button at the top of the screen to turn off the Live functionality. The Live Photo becomes a still of its key photo.
Mute a Live Photo: Tap
. Tap again to unmute.Trim a Live Photo: Drag either end of the black frame viewer to choose the frames the Live Photo plays.
See Take a Live Photo.
Add effects to a Live Photo
You can add effects to Live Photos to turn them into fun videos (available on supported models).
Open the Live Photo.
Swipe up to see the effects, then choose one of the following:
Loop repeats the action in a continuous looping video.
Bounce rewinds the action backwards and forwards.
Long Exposure simulates a DSLR-like long exposure effect by blurring motion.
See Take a Live Photo.
Add lighting effects to Portrait mode photos
On supported models, you can add lighting effects to photos you take in Portrait mode. For example, you can try Contour Light for dramatic shadows, or Studio Light for a clean look.
Tap any photo taken in Portrait mode to view it in full screen.
Tap Edit, then drag
to choose a lighting effect.Natural Light: The face is in sharp focus against a blurred background.
Studio Light: The face is brightly lit, and the photo has an overall clean look.
Contour Light: The face has dramatic shadows with highlights and lowlights.
Stage Light: The face is spotlit against a deep black background.
Stage Light Mono: The effect is like Stage Light, but the photo is in classic black and white.
Tap Done.
See Take a photo in Portrait mode.
Note: The iPhone XR rear camera does not support Stage Light or Stage Light Mono.
Adjust the depth effect of Portrait mode photos
On supported models, use the Depth Control slider to adjust the level of background blur in your Portrait mode photos.
Tap any photo taken in Portrait mode to view it in full screen.
Tap Edit.
The Depth Control slider appears below the photo.
Drag the slider to the right to increase the background blur effect. Drag the slider to the left to decrease the effect.
A gray dot above the slider marks the original depth value for the photo.
Tap Done.
Mark up a photo
Tap a photo to view it in full screen.
Tap Edit, then tap
.Tap Markup
.Annotate the photo using the pen, pencil, or marker, and erase your marks with the eraser. See Use Markup in apps on iPhone.
Trim a video
In Photos, open the video, then tap Edit.
Drag either end of the frame viewer, then tap Done.
Tap Save as New Clip.
The new clip is saved in your Videos album, and the original remains unchanged.
Set the slow-motion section of a video shot in Slo-mo
Open a video shot in Slo-mo, then tap Edit.
Drag the white vertical bars beneath the frame viewer to set where the video is played in slow motion.