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JPG · PNG · WEBP | Batch supported — drop multiple files at once
How to Compress Photos Without Losing Quality — 3 Easy Steps
Magic Image Compressor shrinks photos by 70% or more — all inside your browser, no upload required, no account needed. Drop your images, pick a quality level, and download a ZIP in seconds.
Drop Your Images
Drag and drop one photo or an entire folder at once. JPG, PNG, and WebP are all supported. Batch compress as many files as you like.
Set Quality & Format
The Quality slider at 0.75 works well for most photos. Cap the resolution for web use. Convert PNG to WebP for the biggest size reduction.
Compress & Download
Click "Compress All." Your browser processes multiple images at once in the background. When done, download everything as a single ZIP file.
🔒 100% Private — Your photos never leave your device
Everything runs inside your browser. Your photos are never sent to any server or third party. Close the tab and all data is gone.
🎯 Tips for Smaller Files
Quality 0.75 is the sweet spot
At 0.75, photos look the same as the original but are typically 60–75% smaller. Only go below 0.60 for thumbnails or previews where sharpness doesn't matter.
Convert PNG to WebP for the biggest gains
PNG can't be made smaller with a quality slider — it's lossless. Set Output Format to "Force WebP" to cut PNG sizes by 60–80%, with no visible difference for most photos.
Cap the resolution for web images
A 6000px photo shown at 1440px is wasted file size. Set Max Size to FHD (1920px) or HD (1280px) for web use — it cuts file size significantly with no visible loss.
WebP loads faster in browsers
WebP typically saves 25–35% more than JPEG at the same quality. If your website images load slowly, switching to WebP is one of the easiest wins.
ZIP download is instant
Compressed images are packed into a ZIP as they finish — so the download button appears quickly and your download starts right away, even on large batches.
Batch hundreds at once
Drop a full folder of images at once. The tool processes multiple files at the same time without freezing your browser. Batches of 200+ images typically finish in under a minute.
Frequently Asked Questions
Not at recommended settings. The default quality of 0.75 produces images that look identical to the original at normal viewing sizes. Compression artifacts only become visible below 0.50, and even then only on high-detail areas like fine text or sharp edges. For photo sharing, printing, or web use, 0.75 is more than sufficient.
There's no built-in limit on file count. You can drop hundreds of images at once. The tool processes multiple images at the same time to keep things fast, and won't freeze your browser on any batch size. The practical limit is your device's available memory.
Never. Everything is processed inside your browser — your images are never sent to any server, cloud service, or third party. They exist only in your browser's temporary memory and are gone the moment you close or refresh the tab.
PNG is a lossless format, so the quality slider has no effect on it. To reduce PNG file size, use the Output Format dropdown and select "Force JPEG" or "Force WebP." This typically cuts the size by 60–80%, often with no visible difference.
Input: JPG, PNG, and WebP. Output: keep the same format, or convert everything to JPEG or WebP. WebP gives the smallest file sizes and works in all modern browsers. If you're compressing PNGs, converting to WebP or JPEG will get the biggest size reductions.
Yes, completely free with no limits, no sign-up, and no payment. All processing runs on your device. The only revenue source is non-intrusive display advertising (Google AdSense) shown on the page — your images and data are never monetized or shared in any way.