Image Compressor
Batch compress images, keeps original format, adjustable quality
Drag images here, or click to select files
Supports JPG, PNG, WebP, BMP, GIF formats, select multiple at once
What is Image Compression?
Image compression reduces file size through algorithms. This tool uses a professional compression library in browser locally, supports batch processing, outputs the same format as original. Compressed images are suitable for web display, social media sharing, reduce loading time and bandwidth.
How to Use
- Drag or click to upload images (supports multiple)
- Adjust the quality slider
- Click "Compress" button
- View results, download individually or all at once
FAQ
Q: Will my images be uploaded to a server?
A: No. All compression is done locally in your browser. Image data is never uploaded to any server, protecting your privacy.
Q: Why is PNG compression less effective?
A: PNG is a lossless format with limited lossy compression room. JPEG and WebP formats have more significant compression results.
Q: What quality setting is appropriate?
A: Quality above 80% is usually indistinguishable. For photos, 70-85% is recommended. For smaller files, try 60%.
Q: How many images can I compress at once?
A: No limit, but more images mean longer processing time. Recommend under 50 for best experience.