JPG / JPEG Image Compressor
Compress your JPG or JPEG images to a fraction of their original size without noticeable quality loss. Adjust the quality slider, compare before and after, then download — all in your browser.
100% Private & Secure
Your images are processed locally in your browser and never sent to our servers. No account needed.
How to Compress a JPG Image
- 1
Drop your JPG image into the upload area or click to select.
- 2
Adjust the quality slider to balance file size and visual fidelity.
- 3
Review the before/after comparison and savings badge.
- 4
Click Download to save the optimized JPG to your device.
Frequently Asked Questions
What is the best quality setting for JPG?
For web use, 75–85% gives excellent visual quality with 50–80% file size reduction. For email, 60–70% works well.
Does JPG compression lose data permanently?
Yes, JPEG compression is lossy. We recommend working from the original file each time to avoid generational quality loss.
What's the difference between JPG and JPEG?
JPG and JPEG are the same format — JPEG is the full name (Joint Photographic Experts Group), JPG is the 3-letter extension used on older Windows systems.
Can I compress a JPG without quality loss?
True lossless JPEG compression is limited. For best results, use 90%+ quality if you need near-lossless output, or convert to PNG for truly lossless storage.
Is there a file size limit?
Files up to 50MB are supported. Most smartphone photos (5–15MB) compress instantly.