Batch Image Compressor — Download All as ZIP
Compress up to 50 images at once and download them all as a single ZIP file. Free, instant, no upload to any server.
How Batch Compression Works
Upload up to 50 images
Drag and drop or click to select. Accepts JPEG, PNG, WebP, and HEIC. All files load directly in your browser.
Set target format and size
Choose output format (JPEG, PNG, WebP) and a quality level or exact KB target. Settings apply to every image in the batch.
Compress all at once
Click Compress. All images are processed in your browser using Canvas API — no waiting for server round-trips.
Download as ZIP
Click Download All as ZIP to get every image bundled into a single file. Or download individually if you prefer.
Who Uses Batch Compression?
Bloggers
Optimize a full post worth of images in one go. Faster page loads, better Core Web Vitals.
E-commerce sellers
Resize and compress product photos for Etsy, Shopify, or Amazon listings before bulk upload.
Document workflows
Reduce image attachments for email, PDF reports, or client deliverables without installing software.
Frequently Asked Questions
How many images can I compress at once?
Up to 50 images in a single batch. All processing runs in your browser — nothing uploaded to any server.
Can I download all compressed images as one ZIP?
Yes. After compression, click Download All as ZIP to get every image bundled into a single file.
Do my files get uploaded anywhere?
No. Compression is handled entirely in your browser. Your images never leave your device.
What formats are supported?
Input: JPEG, PNG, WebP, HEIC. Output: JPEG, PNG, or WebP. One quality or KB target applies to the whole batch.