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Crop Image Online - Square, Ratio and Circle Crop Tool

Crop pictures to a popular shape in one click: square, 4:3, 16:9, vertical or a round profile picture with a transparent background.

What is Crop Image?

Cropping removes the outer parts of a picture so only the important area remains and the image fits a certain shape. This tool crops from the centre of the photo to the ratio you choose. The circle option cuts a round profile picture and saves it as a PNG with a transparent background, ready for WhatsApp, Instagram, LinkedIn or a website.

How to use Crop Image

1Upload the picture to crop.
2Choose a shape: Square, 4:3, 3:4, 16:9, 9:16 or Circle.
3Press Start.
4Download the cropped image.

Why use Crop Image?

  • One-click ratios for social media and video thumbnails.
  • Round crop with a transparent PNG background.
  • Works on many images at once.
  • Free and private.

Who can use Crop Image?

  • Social media users and creators.
  • Bloggers, YouTubers and designers.
  • Anyone making a round profile photo.

When should you use it?

  • When a platform needs a 1:1 or 16:9 picture.
  • When you want a round profile photo.
  • When you need to trim empty edges.

Where can you use it?

  • Use it before posting on social media or uploading a profile picture.
  • Works in Chrome, Edge, Firefox and Safari on Windows, Mac, Linux, Android and iPhone - no app or software to install.

Tips for best results

  • Put the subject in the middle of the photo for the best centre crop.
  • Use PNG output for circles so the corners stay transparent.
  • Need exact pixels afterwards? Use Resize Image.

Related tools

Compress Image to KBResize Image (pixels)Resize in cm / mm / inchPassport Photo MakerConvert Image FormatRotate & FlipBackground RemoverIncrease Image Size in KBImages to PDF

Crop Image - frequently asked questions

How do I crop a photo into a circle?

Upload the photo, choose Circle and press Start. You get a round PNG with a transparent background.

Where is the crop taken from?

From the centre of the image.

Which ratios are available?

Square (1:1), 4:3, 3:4, 16:9 and 9:16, plus circle.

Does cropping reduce quality?

No. Cropping keeps the original pixels of the area you keep.

Can I crop several images together?

Yes. Add multiple files and they are cropped in one go.

Is it free and private?

Yes. AllrounderBox is free, needs no sign-up and never uploads your files – processing happens on your own device.

Does it work on mobile?

Yes. It works in any modern browser on phones, tablets and computers.