How does image compression work?

Image compression reduces file size by re-encoding the image at a lower quality setting.

Will I lose image quality?

It depends on the quality setting you choose. Quality 80-90 provides excellent visual quality with significant file size reduction.

JPEG and WebP support quality-based compression (lossy), which can dramatically reduce file size. PNG uses lossless compression.

No. All compression happens entirely in your browser using Canvas API. Your images never leave your device.

Yes! You can select multiple images for batch compression. All images are processed in your browser.

Compress images to reduce file size without losing quality. Fast, free, and 100% private.

Drag & drop your images here

Supported: PNG, JPG, JPEG, WEBP

Max file size: 10MB

Reduce image file sizes in 3 simple steps.

Upload the PNG, JPG, or WebP images you want to compress.

Use the quality slider to control compression level (1-100). Lower values mean smaller files.

Click 'Compress Images' and download your optimized files instantly.

Get the best results from image compression.

Quality 80 is a sweet spot for most images - great quality with significant file size reduction.

PNG compression is lossless but limited. For better compression, consider converting PNG to WebP or JPEG.

WebP format provides the best compression ratio while maintaining excellent visual quality.

Compress multiple images at once to save time. Download all as a ZIP file.

Common questions about compressing images.