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Compress images

Shrink JPG, PNG, WebP and HEIC photos to a size limit such as 50 KB, 100 KB or 200 KB. Set a width, a height or both, and choose a background for transparent areas.

On your device
01

Your files

Drop files here

JPG, PNG, WebP, HEIC, AVIF, BMP or GIF

Up to 40 files · 80 MB per file · 160 MB total · Paste images too

02

Settings

Dimensions and background

Set one side to keep the photo’s proportions. Set both for exact dimensions.

Runs on your device

QUICK GUIDE

How to use this tool

  1. Choose one or more photos.
  2. Set a maximum size in KB for each photo and pick JPG or WebP.
  3. Compare the new sizes and save your files.
GOOD TO KNOW

Can I get a photo under 100 KB?

Yes. Set the limit to 100 KB and PrepMallow will check the actual exported size. Allow it to reduce pixel dimensions if your photo cannot reach the limit at its original size.

Read the upload size guide
Resize imagesGet the right pixel dimensions.Crop & rotate imagesFrame, rotate or flip a photo.Check file detailsVerify file size, type and dimensions.