Will compressing my product images lower their resolution below what Amazon or Noon checks?
No. Compression does not change the width and height in pixels, which is what marketplaces measure when they talk about minimum size or zoom. The tool shows the dimensions under each file name so you can confirm it yourself. What can suffer is visible detail at low quality, so keep product images at 80 or higher, and check the marketplace's current image guidance for its own rules.
Three terms sellers mix up
- Dimensions, or resolution in pixels: the number of dots across and down, such as 1600×1200. This is what marketplaces usually check.
- File size: how many bytes the file takes, such as 250 KB. Compression changes this number.
- Sharpness: how clean the detail looks to the eye. Heavy compression weakens it even though the dimensions stay the same.
People often say compression 'lowers the resolution' when what they really mean is that it can lower sharpness. In the compressor, the dimensions stay fixed however low you set the quality; changing them takes a different tool.
A worked example
A 1600×1200 product photo, which is 1,920,000 pixels, weighing 689.5 KB.
Compressed in Chrome as JPEG at quality 80, it came out at 250.9 KB, 63.6% smaller.
After compressing, it is still 1600×1200, with exactly the same pixel count.
If a marketplace sets a minimum dimension, this photo passes or fails that rule the same way before and after compressing. If it was below the requirement to begin with, no compression will fix that, and neither will enlarging it, since enlarging adds no detail.
Compressing for marketplaces safely
- Read your marketplace's image guidance: required dimensions, accepted formats, and any maximum file size. The platform sets these numbers and can change them, so do not rely on old figures.
- Add the photos to the Image compressor and choose JPEG, which is widely accepted by marketplaces.
- Pick quality 80 or 85, because shoppers zoom into marketplace photos to see detail.
- Check the dimensions under each file name, and zoom the preview into textures and edges.
- Download and upload.
What about DPI?
Some people will ask you for a DPI figure, but that number is a note stored inside the file for printing, and it does not change the pixel count. A 1600×1200 image stays 1600×1200 whether it says 72 or 300. On screens, pixel dimensions are what matter. If the marketplace wants larger dimensions than you have, the fix is shooting the product at a higher resolution; if your photo is larger than needed, shrink it with the Image resizer without going below the requirement.
Common questions
Do Amazon and Noon accept WebP?
We do not speak for them. Check each marketplace's current image guidance, and if you are unsure, choose JPEG.
Does the tool add a white background to product photos?
No. It only fills transparent areas with a color you pick when saving as JPEG; it does not remove backgrounds.
Does compressing change the product's colors?
At quality 80 or above the change is usually slight. Compare the preview with the original if color accuracy matters for your product.