Can I bulk compress images and download as a ZIP?
Yes. Upload dozens of images, preview the before-and-after byte savings on each card, and download them all in one click as a ZIP file.
Compress Image File Size Online
Shrink JPG, PNG, and WebP file weight by up to 80% directly in your browser.
Smart Lossy & Lossless Image Compression
Our client-side compression engine optimizes chroma subsampling and quantization tables to strip redundant metadata and reduce file size while preserving visual sharpness.
Why Compress Images Before Uploading?
Smaller images improve website Core Web Vitals (LCP), speed up email attachments, and meet strict upload limits on government and job portals.
Supported Image Formats
Compress standard JPEG/JPG photographs, transparent PNG graphics, and modern WebP assets simultaneously.
Frequently Asked Questions
What is the Zero Server Upload Privacy Guarantee?
Unlike traditional compressors that upload your private photos to remote cloud servers, our engine runs entirely inside your browser using HTML5 Canvas and other Web APIs—your files never leave your device.
What are the best compression settings for SEO?
A quality setting between 75% and 82% typically yields a 60-75% file size reduction with zero noticeable degradation to the human eye.