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June 18, 2026 1 min readDocCrunch Team

Stop Cropping by Screenshot: Make Square Images Online in Seconds

Still dragging a screenshot box to make square images? DocCrunch lets you crop images online with 1:1, 16:9, 4:3 and 9:16 presets, all locally in your browser.

Image cropSquare imageOnline image tool

I have an embarrassing confession.

For years, whenever I needed a square image for a social grid or avatar, I opened the system screenshot tool and dragged a box over the screen. If the box was crooked, I tried again. After several attempts, the final size was still often wrong.

Not elegant. But I did it for far too long.

Eventually I realized cropping an image does not need to be that clumsy.

Now I use DocCrunch Image Crop: drop in the image, pick a ratio, move the crop box and download. Done.

Common ratios are already there

1:1, 16:9, 4:3 and 9:16 are one click away. Use 1:1 for avatars, 16:9 for video thumbnails and 9:16 for vertical content. No guessing, no shaky screenshot frame.

For someone who never remembers cover sizes, this is much calmer.

Cropping happens in your browser

One detail matters more than I expected: the image is cropped locally in your own browser, not uploaded to a server.

I did not think about this until I once needed to crop an ID photo. Some images should simply stay on your device. Local processing makes that feel safer.

Everyday formats are covered

JPG, PNG and WebP all work, so photos from your phone, camera or downloaded web assets are usually fine.

I use it for:

  • Social grids and avatars.
  • Blog covers and video thumbnails.
  • Product images with consistent dimensions.
  • Slide and poster assets.

After cropping, run large files through Image Compress, or use Image Format Converter if you need a different format.

It is definitely better than my old screenshot method. If you are still cropping images the hard way, this is a free fix you can use immediately.

Recommended DocCrunch tools

These tools run locally in the browser whenever possible, so files do not need to be uploaded to a server.

FAQ

How do I crop an image to a square?

Open the image cropper, upload your image, choose the 1:1 ratio, adjust the crop box and download.

Does it support cover and thumbnail ratios?

Yes. Common ratios such as 1:1, 16:9, 4:3 and 9:16 are available.

Will my image be uploaded to a server?

No. DocCrunch crops images locally in your browser.

Which image formats are supported?

JPG, PNG and WebP are supported for everyday cropping tasks.

Crop images for free

Upload an image, choose a ratio and create avatars, covers and product photos in seconds.

Start cropping