Batch Image Compressor
Bulk reduce image file sizes while keeping quality — free, instant, 100% private.
Compress Images
Drag & drop multiple images here
or
JPG, PNG, WebP · Local processing · No upload
Lower quality results in smaller file sizes.
Compressing images…
How to Bulk Compress Images
Upload your images using drag-and-drop or the Browse button. You can select multiple JPG, PNG, or WebP files at once. Adjust the quality slider to control the compression level — lower values produce smaller files. Click "Compress Images" and the tool processes all your files sequentially using the Canvas API. Preview the results, check the file size reduction, and download each image individually or as a single ZIP file.
Why Bulk Compress Images
Processing images in batches saves a tremendous amount of time compared to compressing them one by one. With our offline compressor, you also save bandwidth because no data is sent to a server. This is the fastest and most secure way to optimize entire photo albums or web graphics for faster page loads and better SEO.
Is Bulk Compression Free?
Yes — 100% free with no limits on quantity or frequency. Your images are processed entirely in your browser using local resources. Nothing is uploaded, making it completely private, secure, and compliant with privacy regulations.
Frequently Asked Questions
Is this image compressor free?
Yes, 100% free with no limits on the number of images or how often you use it. No registration or account needed.
Can I compress multiple images at once?
Yes! Our tool supports batch processing. You can select dozens of images, set the quality, and compress them all in one go. You can then download them individually or as a single ZIP file.
Are my images uploaded to a server?
No. Compression runs entirely in your browser using the Canvas API. Your images never leave your device, making it completely private and safe for sensitive photos.
Will compressing my image ruin its quality?
The quality slider gives you full control. At 80% quality, most images look virtually identical to the original while being significantly smaller. Preview the result before downloading.
What image formats can I compress?
You can compress JPG, PNG, and WebP images. The output is always an optimized JPG file for maximum compression. Files up to 10 MB are supported.