Compress images directly in your browser. No upload, no server, 100% private.
Drop images here or click to browse
Supports JPG, PNG, WebP • Multiple files • Max 50MB each
Image Compressor is a free, browser-based tool built for developers, designers, and everyday users. Compress images instantly in your browser. Reduce JPG, PNG, and WebP file sizes without uploading to any server. Free online image compressor. This tool processes everything locally using JavaScript — no data is uploaded to any server, no account is required, and there are no usage limits. Whether you’re working on a quick project or handling sensitive data, your privacy is fully protected. Bookmark this page and use it anytime — it works on desktop, tablet, and mobile devices.
No. All compression happens in your browser using the Canvas API. Your images never leave your device. This tool works completely offline.
WebP offers the best compression for web use (smallest file size at same quality). JPEG is universal and supported everywhere. PNG preserves transparency but produces larger files.
80% is a good default — it significantly reduces file size with minimal visible quality loss. For photos, 70-80% is ideal. For graphics with text, use 90%+.