How to compress a JPEG
- Choose a JPEG or JPG file.
- Adjust quality and compare the resulting size.
- Download the recompressed JPEG when the balance looks right.
Compress a JPEG
Adjust JPEG quality, preview the result size, and download a compressed copy. Lower quality can reduce detail.
Your image is processed entirely in your browser and is never uploaded to our servers.
File size and visual quality
JPEG compression discards some image information. Lower settings often create smaller files but can introduce softness, blockiness, or halos. The result may occasionally be larger when the original was already efficiently compressed.
Frequently Asked Questions
It simplifies image information people may notice less, then encodes the result compactly.
Start around 75–85 and inspect the preview; detailed images may need more.
The source may already be compressed near the selected setting.
Yes. The browser performs all work locally.