How to resize an image to 900x900
- Choose or drop your images above.
- Keep “Crop to fill” for an exact 900x900 result, or pick “Fit inside” to avoid cropping.
- Download the resized files individually or as a ZIP.
About 900x900 pixels
A 900x900 image is square, with an aspect ratio of 1:1, and holds 0.81 megapixels. At 300 DPI it would print at about 3.0 x 3.0 inches (7.6 x 7.6 cm). As a JPEG it usually lands between 89KB and 178KB, depending on the picture and the quality you choose.
Where 900x900 is used
A square that is sharp on laptops and phones, often used for product and portfolio images.
- Use JPG for photos and PNG for graphics with text or transparency.
- A square crop keeps the centre of the photo, so frame the subject in the middle.
- Start from the largest original you have. Enlarging a small picture makes it look soft.
Crop to fill or fit inside?
Crop to fill always gives exactly 900x900 by trimming the edges that do not match the shape. Fit inside keeps the whole picture and scales it so neither side exceeds 900x900, which can leave one side shorter. For a typical 4:3 phone photo, crop to fill removes about 25% of the picture. A 3:2 camera photo loses about 33%, a 16:9 screenshot about 44%, and a square image about 0%.
Quality and format
Check the result before you upload
Open the finished file and check three things: the picture measures 900x900, the subject is not cut off, and the file is small enough for where you upload it. If a platform sets a size limit, run the result through the online compression tool or choose a limit such as 200KB.
A tip for this size
Keep a margin around the subject so a square crop does not cut it off. Need another size? Try 1000x1000, 800x800, 1024x1024, the general image resizer, or browse every size preset.
Frequently asked questions
Why is my image not exactly 900x900?
You are probably using Fit inside, which never crops. Switch to Crop to fill for exact dimensions.
How big will a 900x900 file be?
As a JPEG, usually between 89KB and 178KB. Photos with lots of fine detail come out larger, and simple graphics smaller. Lower the quality for a smaller file.
Is 900x900 the right size for product and portfolio pictures?
It is a widely used size for product and portfolio pictures, but platforms and agencies change their rules. Check the current guidelines before you upload.
Will detail survive at 900x900?
At small sizes fine detail disappears. Crop in close on the main subject and use a simple, high-contrast picture for the best result.