Compress Image Online — Free & Lossless
Reduce your image file sizes instantly. No sign-up, no file uploads to servers. Everything happens in your browser.
Drag your images here
or select files
PNG, JPG, WebP · Max. 10 MB per file · Up to 20 files
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How it works
1
Upload your images
Drag and drop your PNG, JPG or WebP files into the upload area, or click to select them from your device.
2
Adjust quality
Use the slider to choose between higher compression (smaller files) or better visual quality.
3
Download the result
In seconds you will see the result with the reduction percentage. Download images one by one or all together in a ZIP.
Frequently asked questions
No. All processing happens inside your browser using JavaScript. Your files never leave your device. We don't even have an image processing server.
We currently support PNG, JPG/JPEG and WebP. You can upload up to 20 images at once, with a maximum of 10 MB per file.
With the default setting (80% quality) the visual reduction is imperceptible to the human eye, but the file size is reduced by 40% to 80%. You can adjust the quality with the slider.
Yes. Drag or select up to 20 images at the same time. After compressing, you can download them all together in a ZIP file with a single click.
Heavy images are the number one cause of slow websites. Google penalizes slow sites in search rankings. Compressing images improves Core Web Vitals (LCP), user experience and your ranking.
Yes, WebEsencial is completely free. There is no daily usage limit, no watermark and no registration required.