How to Use Image Compressor

Compressing images takes seconds. Upload one or more images by clicking or dragging files onto the page — supports JPG, PNG, and WebP. Adjust the quality slider to balance file size and visual quality. The tool shows the original and compressed file sizes with the percentage reduction. Preview images side by side to verify quality. For batch processing, all images use the same quality setting. Click Download to save individual compressed images or Download All to get them as a ZIP file. Everything runs locally in your browser for speed and privacy.

Frequently Asked Questions

How much can I reduce image file size?

Typical compression reduces file size by 40-80% while maintaining visual quality. Adjust the quality slider for more aggressive compression.

What image formats are supported?

The tool compresses JPG/JPEG, PNG, and WebP images. Output format matches the input by default, or convert to a different format.

Can I compress multiple images at once?

Yes, upload multiple images for batch compression. Set your quality level once and all images are processed with the same settings.

Is there a quality loss?

Lossy compression has minimal visible quality loss at moderate settings. PNG can use lossless compression. Preview before and after side by side.

Where does compression happen?

All compression happens in your browser using WebAssembly. Your images are never uploaded to any server.