Upload forms ask for exact pixel sizes and KB limits. Here's how to hit the numbers without opening a photo editor.
| Metric | Before | After |
|---|---|---|
| Dimensions | 4032 × 3024 | 1200 × 900 |
| Width | 4032 px | 1200 px |
| Size | 4.6 MB | 780 KB |
| Limit | — | 1 MB |
A form asks for “photo, 1200 × 900 or less, under 1 MB”. Most people react by guessing: upload the photo, get rejected, open a random editor, fiddle. There's a calmer order for this, and it starts with reading the requirement as two separate numbers.
Dimensions first, then size
The pixel requirement is the strict one — a form checks it directly. So hit exact pixels first: set the width and height to the allowed maximum, or smaller than it. Then, if the file is still over a KB limit, reduce quality. Resizing to size and resizing to quality are different jobs.
The distortion trap
If you stretch a portrait photo to landscape dimensions, the picture gets squashed and the form (or a reviewer) notices. When the photo doesn't match the requested orientation, crop toward the subject rather than stretching. A 1200 × 900 crop of a 4000 × 3000 photo keeps the important part and the right proportions.
A realistic before and after
The same camera shot, resized for a listing form:
- Original: 4032 × 3024 px wide, about 4.6 MB.
- Resized to 1200 × 900 px: about 780 KB — well under a 1 MB limit.
- One step, one preview, done.
Step by step
The whole job, in order:
- Open the GainUtility image resizer and load your image.
- Switch the mode to exact dimensions.
- Enter the required size. Keep the required orientation — crop instead of stretch if they don't match.
- Check the preview; adjust the crop if a useful part of the photo is being cut off.
- Export and upload. If the file is still too large for a KB limit, follow it with the compressor.