Browser-only · No upload
Compress JPEG
Reduce JPEG file size in your browser — free, private, no upload.
Drop images here
JPG, PNG, WebP, HEIC, GIF, BMP, AVIF, TIFF, ICO
Up to 10 files · 25 MB each · 80 MB total
Files stay on your deviceOutput format:JPG
40–80% Smaller
Typical JPEG reductions with visual quality preserved at quality 66+.
Quality Slider
Fine-tune compression from 1–100 — see estimated file size before downloading.
No Upload
Compression runs in your browser. Your images never hit a server.
How to
How to Compress JPEG Images
- Upload your JPEG images using Choose Files or drag and drop.
- Adjust the quality slider in Advanced settings (default 66).
- Click "Compress JPEG" and download your optimized files.
FAQ
Frequently asked questions
How much can ImageConverter compress JPEG files?
Typically 40–80% size reduction depending on the quality setting. Use the quality slider to balance file size and visual quality.
Are my JPEG files uploaded?
No. Compression runs entirely in your browser on your device.
What quality setting should I use?
Quality 66 is a good default for web use. Use 85–92 for print-quality photos. Lower values produce smaller files.