Image Compressor
Compress JPG, PNG, and WebP images online with a quality slider and before/after size comparison. Free, private, and 100% browser-based — no upload to a server.
Drop an image here or click to upload
PNG, JPG, WebP, GIF · max 10 MB · outputs WebP or JPEG
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Frequently asked questions
What is Image Compressor?+
Shrink image file size without leaving your browser. Upload a JPG, PNG, WebP, or GIF, tune quality, pick an output format, and download the result.
How do I use Image Compressor?+
Before/after preview with exact byte savings. JPEG, WebP, and PNG output. Everything runs locally via the Canvas API — your images are never uploaded
Is Image Compressor free?+
Yes, Image Compressor is completely free. No account or sign-up required, and all processing happens in your browser — nothing is sent to a server.
Is my data safe when I use Image Compressor?+
Yes. Image Compressor runs entirely in your browser using JavaScript and Web APIs — your input is never uploaded, transmitted, or stored on any server.