How much can JPG files be compressed?

JPG files can typically be reduced by 40-80% while maintaining good visual quality. Photos with complex scenes compress less than simple images. A quality setting of 75-85% usually provides the best balance.

What quality setting should I use?

For web use, 75-80% quality is ideal — files are much smaller with barely noticeable quality difference. For printing, use 90-95%. For email attachments, 60-70% keeps files small while looking good on screen.

Does compressing JPG damage the image?

JPG compression is lossy, meaning some data is removed. However, at moderate quality settings (75-85%), the visual difference is imperceptible for most uses. Avoid repeatedly compressing the same JPG, as quality degrades with each compression.

Should I convert JPG to WebP for better compression?

WebP can achieve 25-35% smaller files than JPG at the same visual quality. However, JPG is universally supported while WebP has limited support in older browsers and apps. For maximum compatibility, use JPG.

Can I compress photos for email?

Yes! Most email services limit attachments to 25MB. Use quality 60-70% to dramatically reduce photo sizes. A 5MB photo from a smartphone can be compressed to under 1MB while still looking great on screen.

Compress JPG Online

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Reduce the file size of your JPG/JPEG images while maintaining visual quality. Perfect for photos, web images, and email attachments. All processing happens in your browser — your files never leave your device.