Every phone and computer can crop photos without extra apps: on iPhone open the photo in Photos, tap Edit and then the crop icon; on Android open it in Google Photos or Gallery, tap Edit and Crop; on Windows use the Photos app’s Edit image option; on a Mac open it in Photos or Preview and use Crop. If you need an exact ratio, a quick compression or you are on a shared or office computer, an online cropper that runs in your browser does it in seconds without installing anything or uploading your photo to a server.
- Built-in editors on every device can crop and rotate.
- Choose a ratio preset (square, 4:3, 16:9) when the destination needs a fixed shape.
- Built-in editors usually keep the original so you can undo the crop later.
- Use a browser tool when you need cropping plus compression in one step.
- Try the free, private Image Cropper and Compressor.
The cyber cafe problem
A student at a cyber cafe needs to crop a scanned signature and a photo for an online form. The computer has no Photoshop, installing software is blocked, and the deadline is in an hour. Many people in this situation upload private photos to random websites full of pop-up ads.
There is an easier and safer way: every device already has a cropping tool, and a good browser-based cropper does the job without sending your photo anywhere.
How to crop on iPhone
- Open the photoIn the Photos app, tap the photo and then Edit.
- Tap CropThe crop icon is at the bottom (or top on newer iOS versions).
- Pick a ratioTap the ratio button to choose Square, 16:9, 4:3 and more, or drag freely.
- Adjust and saveDrag the corners, pinch to zoom, then tap Done. You can revert later in Edit.
How to crop on Android
- Open in Google Photos or GalleryTap the photo, then Edit.
- Choose CropUse the aspect ratio icon for fixed shapes.
- AdjustDrag the handles, rotate if needed.
- Save a copyChoose Save copy to keep the original as well.
How to crop on Windows and Mac
| Device | Steps |
|---|---|
| Windows 10 and 11 | Open the image in Photos, click Edit image (or the crop icon), choose an aspect ratio or drag the handles, then Save as copy |
| Windows (Paint) | Use Select to draw a rectangle, then Crop, then Save as |
| Mac (Preview) | Drag a selection, then Tools, Crop (or Command + K), then Save |
| Mac (Photos) | Edit, Crop, choose aspect, Done |
How to crop online (no install)
- Open the cropperGo to the free Image Cropper and Compressor.
- Upload the photoIt stays in your browser; it is not uploaded to a server.
- Choose a ratio16:9, 4:3, square or free.
- Zoom and positionDrag the box and zoom until the framing is right. Undo if needed.
- Set compressionMove the quality slider to reach a file size limit.
- DownloadGet the cropped JPG instantly.
Which method to use?
- Quick social post from your phone: the built-in editor.
- Exact ratio plus small file size: the online cropper and compressor.
- Many photos at once: see preparing product photos in bulk.
- Professional retouching: a full editor such as Photoshop, GIMP or Photopea.
Related guides
Learn which shape to choose in aspect ratios explained and how to frame photos with the rule of thirds.
Sources
- Apple iPhone User Guide: Crop, rotate, flip or straighten photos
- Google Photos Help: Edit your photos
Frequently asked questions
How do I crop a photo on iPhone?
Open the photo in Photos, tap Edit, tap the crop icon, choose a ratio or drag the corners, then tap Done.
How do I crop a photo on Android?
Open it in Google Photos or Gallery, tap Edit, choose Crop, adjust and save a copy.
How do I crop an image on Windows?
Open it in the Photos app, choose Edit image or Crop, adjust and save a copy. Paint can also crop.
Can I crop a photo online without uploading it?
Yes. Browser-based tools like our Image Cropper process the photo on your device without uploading it to a server.
Can I undo a crop?
Built-in phone editors usually let you revert to the original. When using other tools, keep a copy of the original file.
Crop to 16:9, 4:3, square or freeform, zoom and compress in one step, right in your browser.
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