How to resize an image to 300x250
- Choose or drop your images above.
- Keep “Crop to fill” for an exact 300x250 result, or pick “Fit inside” to avoid cropping.
- Download the resized files individually or as a ZIP.
About 300x250 pixels
A 300x250 image is landscape, with an aspect ratio of 6:5, and holds 75,000 pixels in total. At 300 DPI it would print at about 1.0 x 0.8 inches (2.5 x 2.1 cm). As a JPEG it usually lands between 8.2KB and 16KB, depending on the picture and the quality you choose.
Where 300x250 is used
The IAB medium rectangle, one of the most common display ad sizes, often placed inside article text or sidebars.
- Avoid small text near the edges, where profile pictures and buttons can cover it.
- Keep the file light. A banner of a few hundred KB loads fast and is rarely rejected.
- Put the important part in the centre. Apps crop banners differently on phones and desktops.
Crop to fill or fit inside?
Crop to fill always gives exactly 300x250 by trimming the edges that do not match the shape. Fit inside keeps the whole picture and scales it so neither side exceeds 300x250, which can leave one side shorter. For a typical 4:3 phone photo, crop to fill removes about 10% of the picture. A 3:2 camera photo loses about 20%, a 16:9 screenshot about 32%, and a square image about 17%.
Quality and format
Check the result before you upload
Open the finished file and check three things: the picture measures 300x250, 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 the message short and use one clear call to action. Need another size? Try 256x256, 300x300, 192x192, the general image resizer, or browse every size preset.
Frequently asked questions
Why is my image not exactly 300x250?
You are probably using Fit inside, which never crops. Switch to Crop to fill for exact dimensions.
How big will a 300x250 file be?
As a JPEG, usually between 8.2KB and 16KB. Photos with lots of fine detail come out larger, and simple graphics smaller. Lower the quality for a smaller file.
Is 300x250 the right size for medium rectangle ads?
It is a widely used size for medium rectangle ads, but platforms and agencies change their rules. Check the current guidelines before you upload.
Will detail survive at 300x250?
At small sizes fine detail disappears. Crop in close on the main subject and use a simple, high-contrast picture for the best result.