Reduce image file size while maintaining quality
Drop images here or click to upload
Supports JPEG, PNG, and WebP formats
Upload images to see preview
Click to upload or drag and drop your image file. Supported formats include JPEG, PNG, and WebP.
Select compression quality level. Higher quality means larger files but better image appearance. Lower quality means smaller files but may reduce image clarity.
Fine-tune compression settings like maximum file size, image dimensions, or format conversion options.
Click compress to process your image. The tool will show before/after file sizes and compression ratio.
Review the compressed image to ensure quality meets your requirements. Compare with the original.
Download the compressed image file. The original file remains unchanged on your device.
Upload multiple images to compress them all at once, saving time for bulk operations.
Use compressed images on your website, in emails, or for storage to improve performance and save space.
Some quality loss is normal with compression, but modern algorithms minimize visible differences. You can adjust quality settings to balance file size and appearance.
Common formats include JPEG, PNG, WebP, and GIF. JPEG is best for photos, PNG for graphics with transparency, and WebP for modern web use.
Compression depends on image content and format. Photos can often be compressed 50-80% with minimal quality loss. Graphics may compress less effectively.
Yes, all compression happens entirely in your browser. Your images never leave your device or are sent to any server.
Yes, you can upload and compress multiple images at once. This is useful for batch processing large numbers of images.
Lossy compression (JPEG) reduces file size by removing some image data, causing quality loss. Lossless compression (PNG) reduces size without quality loss but achieves less compression.
Yes, compressed images load faster, use less bandwidth, and improve user experience. Most websites recommend optimizing images before upload.
Yes, PNG format supports transparency and can be compressed losslessly. WebP also supports transparency with better compression than PNG.
For web use, aim for under 200KB for most images, under 100KB for thumbnails. For print, higher quality (larger files) may be needed.
Compression typically doesn't change dimensions, but you can resize images separately. Resizing before compression can further reduce file size.
Use WebP for web images (30% smaller than JPEG), JPEG for photographs, and PNG only when you need transparency. The right format often matters more than compression level.
For web thumbnails, 60-70% quality is usually sufficient. For hero images, use 80-85%. For print, keep quality above 90%. Match quality to where the image will be displayed.
Add loading="lazy" to images below the fold. This defers loading off-screen images until users scroll near them, dramatically improving initial page load times.
Use srcset and sizes attributes to serve different image sizes for different screen widths. A mobile user should not download a 2000px-wide desktop image.
Always compress images before uploading to your website or CMS. This reduces server storage costs and ensures fast delivery even without a CDN.
Always save a copy of the original uncompressed image. You may need to re-compress at different settings later, and re-compressing an already compressed image degrades quality.
Aim to keep most web images under 200KB. Hero images can be up to 500KB. If an image exceeds these limits, consider reducing dimensions or increasing compression.
Use progressive JPEG encoding for large photos. Progressive JPEGs load in multiple passes from blurry to sharp, giving users a faster perceived load time compared to baseline JPEGs that load top-to-bottom.
Strip EXIF metadata (GPS coordinates, camera model, date taken) from images before publishing. This protects user privacy and reduces file size. Many compression tools include an option to remove metadata automatically.
Automate image compression in your build or deployment pipeline. Tools like ImageMagick, sharp (Node.js), or Squoosh CLI can be integrated into CI/CD workflows to ensure every image is optimized before it reaches production.
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