Reduce image file size while maintaining quality. Works entirely in your browser — your images are never uploaded to any server.
Upload an image to start compressing.
Reduce image file sizes in 3 easy steps — no software to install
Drag and drop or click to upload any image. Supports JPG, PNG, and WebP formats up to 50MB. Works with photos, graphics, screenshots, and more.
Choose your output format and use the quality slider to balance file size and image quality. See the estimated output size update in real time as you adjust.
Click Compress to process the image. Review the before/after file size comparison, then download your optimized image. It is that simple.
Powerful compression tools that work directly in your browser
Compress to JPG for best file size, PNG for lossless quality, or WebP for the modern web. Choose the format that fits your needs.
Fine-tune the quality slider from 1 to 100 to find the perfect balance between file size and visual quality for your specific image.
See the estimated compressed file size update in real time as you adjust quality settings — before you even click Compress.
All processing happens directly in your browser using the Canvas API. Your images never leave your device — complete privacy guaranteed.
Visual comparison shows original vs. compressed file size with a clear bar chart and percentage savings so you know exactly how much you saved.
Start compressing immediately. No account creation, no email verification, no hidden fees, and no watermarks on your output.
Common questions about compressing images online
Upload your image to our free online compressor above, choose your output format (JPG, PNG, or WebP), adjust the quality slider to your preference, and click "Compress Image." Download the smaller file instantly — no signup or payment required.
Lossy compression formats like JPG and WebP reduce quality slightly to achieve smaller file sizes. At quality levels of 70-85%, the difference is usually imperceptible to the human eye. PNG compression is lossless and preserves full image quality.
JPG is the best format for photographs and images with many colors, offering excellent compression ratios. WebP provides the best compression-to-quality ratio on modern browsers. PNG is best when you need lossless quality or transparency support.
No. All compression happens directly in your web browser using the HTML5 Canvas API. Your images never leave your device, ensuring complete privacy for sensitive or personal photos.
Depending on the original format and the quality setting you choose, you can typically reduce file sizes by 40-80%. For example, converting a large PNG photo to JPG at 80% quality often yields savings of 70% or more.
You can upload images up to 50MB. Since all processing happens in your browser, there is no server-side limit. Very large images may take a bit longer to process on older devices.
Upload an image and reduce its file size in seconds — completely free!
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