Image Compressor

Reduce image file size without visible quality loss. Compress JPEG, PNG, and WebP images for faster websites and smaller uploads.

SmallerHigher quality
Original4000px

Drop images here or click to upload

Supports JPEG, PNG, WebP, GIF — upload multiple files at once

All processing happens in your browser — files never leave your device

How Image Compression Works

Image compression reduces file size by removing data that the human eye can't easily detect. There are two main types:

Lossy Compression

Removes some image data permanently to achieve dramatic file size reductions. JPEG and WebP use lossy compression. At quality 80%, file sizes shrink 50-80% with barely noticeable quality loss.

Lossless Compression

Reduces file size without any quality loss by optimizing how data is stored. PNG uses lossless compression. Savings are typically 10-30%.

Why Compress Images?

Faster Website Speed

Images account for 50-75% of most webpage weight. Compressing them is the single most effective way to speed up your site.

Better Core Web Vitals

Smaller images improve Largest Contentful Paint (LCP) — a key Google ranking factor since 2021.

Lower Bandwidth Costs

Compressed images use less CDN bandwidth, reducing hosting costs — especially at scale.

Better User Experience

Pages that load faster have lower bounce rates. Users abandon pages that take longer than 3 seconds.

Recommended Quality Settings

Use Case Format Quality Expected Savings
Web photos WebP 80% 60-80%
E-commerce products WebP or JPEG 85% 50-70%
Blog thumbnails WebP 75% 70-85%
Icons & logos PNG Lossless 10-30%

Frequently Asked Questions

Is this image compressor free?
Yes, completely free with no limits. No signup, no watermarks, no file count restrictions. Processing happens in your browser — your images are never uploaded anywhere.
Will I lose image quality?
At quality settings above 75%, the difference is virtually invisible to the human eye. WebP at 80% gives the best balance of file size and quality. Use our Comparison Slider to check the difference.
Which format should I choose?
WebP gives the best compression for web use (96% browser support). Use JPEG for maximum compatibility with older software. Use PNG only for graphics that need transparency or lossless quality.
Can I compress multiple images at once?
Yes! Upload as many images as you want. They'll all be compressed with the same settings and you can download them individually or all at once.

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