Free Online Bulk Image Compressor Tool

No sign-up or login required. Upload multiple images at once for batch compression; all processing runs locally in your browser with no server upload. Supports JPG, PNG, WebP, GIF, AVIF, HEIC, and RAW (ARW/CR2/CR3/NEF/DNG) for web performance, e-commerce image optimization, and social media publishing.

Compress hundreds of images at once

Batch-compress JPG, PNG and WebP files locally in your browser — nothing ever leaves your device.

  • Batch Processing

    Process multiple images simultaneously with intelligent batching for optimal performance and efficiency.

  • Smart Compression

    Advanced algorithms automatically optimize compression settings for each image format to achieve the best size reduction.

  • Complete Privacy

    All processing happens locally in your browser. Your images never leave your device, ensuring maximum privacy and security.

Frequently Asked Questions

There's no strict limit on the number of images you can compress simultaneously. However, for optimal performance, we process images in batches of 2 at a time. The actual limit depends on your device's memory and browser capabilities.