Compress JPEG Images Online — Free & Ad-Free
The most widely used lossy image format, ideal for photographs and complex images with millions of colors. ImageSmith's free JPEG compressor reduces file sizes by 60–90% using advanced lossy compression, entirely in your browser. JPEG uses DCT-based lossy compression. Quality settings of 60–80 are typically imperceptible to the human eye while achieving significant size reduction.
✓Reduces file size by 60–90% vs uncompressed formats
✓Universally supported across all browsers and devices
✓Ideal quality-to-size ratio for photographs
✓Excellent compatibility with email clients and legacy systems
Compress JPEG to a Specific Size
Other Format Compressors
When to Use JPEG
Use JPEG for photographs, product images, and any image with smooth color gradients.