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5 Results

TinyPNG logo

TinyPNG

Top Rated

Smart PNG and JPEG compression. Reduce file size without quality loss.

Free tierPNG/JPEGAPIWordPress plugin
4.7(45,000)
Free / $25/yr
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Squoosh logo

Squoosh

Browser-based image compression from Google. Compare before/after.

FreeBrowser-basedSide-by-sideMultiple formats
4.6(18,000)
Free
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ImageOptim logo

ImageOptim

Best image optimizer for Mac. Lossless and lossy compression.

Mac onlyFreeDrag-dropLossless
4.7(22,000)
Free
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Compressor.io logo

Compressor.io

Online image compression. Support for JPEG, PNG, GIF, SVG.

FreeOnlineMultiple formatsLossless option
4.5(12,000)
Free
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ShortPixel logo

ShortPixel

Image optimization with CDN. WordPress plugin and API.

WordPressCDNWebPAPI
4.6(15,000)
Free / $4.99/mo
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By Misha Catalano, Founder & Lead Software AnalystLast reviewed May 2026
Data verified May 2026

What is Image Compression Software?

Image compression software reduces file sizes of photos and graphics while maintaining acceptable visual quality. These tools are essential for web performance — images account for 50-70% of typical webpage weight. Modern compressors use lossy algorithms (reducing quality slightly for major size savings) and lossless algorithms (preserving exact quality with smaller savings). Formats like WebP, AVIF, and JPEG XL offer superior compression ratios compared to traditional JPEG and PNG. Batch processing handles thousands of images automatically. CDN-integrated solutions compress and optimize images on-the-fly, serving the optimal format and size based on each visitor's device and browser. For developers, build-tool plugins automatically optimize images during deployment. The best tools balance compression ratio, visual quality, and processing speed.

Key Features to Look For

Smart Compression

AI-powered quality analysis that maximizes compression while maintaining perceptual visual quality.

Format Conversion

Convert between JPEG, PNG, WebP, AVIF, and SVG with optimal settings for each format.

Batch Processing

Compress hundreds or thousands of images simultaneously with consistent quality settings.

Responsive Images

Generate multiple sizes and resolutions for responsive web design and retina displays.

CDN Integration

On-the-fly image optimization and delivery through global content delivery networks.

Build Tool Plugins

Webpack, Vite, and Next.js plugins that optimize images automatically during build process.

How Much Does Image Compressor Cost?

TinyPNG/TinyJPG offers 500 free compressions/month, then $25/year for 10,000. Squoosh is free and open-source. ShortPixel starts at $4.99/month for 5,000 images. Cloudinary offers a free tier (25,000 transformations/month), paid from $89/month. ImageOptim is free for macOS. Imgix starts at $10/month. Kraken.io starts at $5/month. Most small sites spend $0-$10/month on image optimization.

Frequently Asked Questions

How We Evaluate Image Compressor

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