Image Compressor
Reduce image file size without losing quality.
100% free, runs entirely in your browser.
Related Image Tools
- Image Format Converter — Convert images between PNG, JPG, and WebP
- Image Resizer — Resize images to exact dimensions or presets
- Image DPI Checker — Check resolution and DPI of your images
- Color Palette Extractor — Extract dominant colors from any image
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Image Compressor FAQs
Common questions about compressing images
Is this image compressor free?
Yes, completely free with no limits. Your images are processed entirely in your browser — nothing is uploaded to any server.
Will compression reduce my image quality?
At quality settings above 80%, the difference is virtually imperceptible to the human eye. You can preview the result before downloading to ensure you're happy with the quality.
What is the best quality setting?
For most web use, 75-85% offers an excellent balance between file size and visual quality. For printing or professional work, use 90%+ to preserve maximum detail.
Which format produces the smallest file?
WebP consistently produces the smallest files — typically 25-35% smaller than JPG at the same visual quality. If your target platform supports WebP, it's the best choice for compression.
Are my images uploaded to a server?
No. All processing happens 100% in your browser using the HTML5 Canvas API. Your images never leave your device.
Can I compress PNG images?
PNG uses lossless compression, so you can't reduce quality like with JPG. However, you can convert PNG to JPG or WebP for significant size reductions, especially for photographs.
How much can I reduce the file size?
Typical savings range from 30-70% depending on the original image, format, and quality setting. Photographs usually compress better than graphics with flat colors and sharp edges.
What is lossy vs lossless compression?
Lossy compression (JPG, WebP lossy) permanently removes some image data to achieve smaller files. Lossless compression (PNG, WebP lossless) preserves every pixel but with less size reduction. For most web use, lossy compression at high quality is the best trade-off.
Does Google recommend compressing images?
Yes. Google's PageSpeed Insights specifically flags uncompressed images as an optimization opportunity. Compressed images improve Core Web Vitals scores, which directly affect search rankings.
What is the maximum file size I can compress?
This tool accepts images up to 20MB. Since processing happens in your browser, very large images may take a moment depending on your device.
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