Target File Size
40 KB (or less)
40 KB (or less)
Drag & Drop Your Image Here
JPG, PNG, or WEBP
image99.online
Compress Image to 40KB
Upload your photo and we’ll compress it to 40KB or less with the best possible quality.
How to Compress an Image
Upload Your Photo
Browse or drag your image.
Automatic Compression
Quality is tuned to hit ≤ 40KB.
Download Your Image
Save your optimized result.
Key Features
Smart Compression
Adaptive quality finds the sweet spot.
Fast and Easy
No setup — just upload and save.
Secure and Private
Everything runs in your browser.
Frequently Asked Questions
Why 40KB?
Many forms allow up to 40KB for uploads.
Will it still look OK?
We keep as much detail as the limit allows.
Are my images secure?
100% in-browser processing.