Image Compressor - Reduce Photo Size Online Free
Compress JPG, PNG, WebP images instantly in your browser. No upload needed. 100% private.
Image Compressor
Reduce photo file size instantly. Everything runs in your browser — nothing uploaded to any server.
What Is an Image Compressor?
An image compressor is a tool that reduces the file size of photos and graphics without significantly affecting visual quality. This free online image compressor processes files directly in your browser — no server upload required, ensuring complete privacy of your images.
How to Compress Images Online
- Upload — Drag and drop images or click to browse
- Adjust — Set quality level (recommended: 70-85%)
- Download — Get compressed files instantly
Why Use This Image Compressor?
- 100% Free — No signup, no limits, no watermarks
- Privacy First — Files are processed locally in your browser
- Multiple Formats — Supports JPG, PNG, WebP conversion
- Batch Processing — Compress multiple images at once
FreeToolbox vs Other Image Compressors
| Feature | FreeToolbox | TinyPNG | Squoosh |
|---|---|---|---|
| Price | Free, unlimited | Free (20/day limit) | Free |
| Privacy | Browser-only | Server upload | Browser-only |
| Batch | Yes | Yes (limited) | No |
| Formats | JPG, PNG, WebP | PNG, JPG | Many |
FAQ
Is this tool really free?
Yes, completely free with no hidden costs or limitations.
Are my images uploaded to a server?
No. All processing happens in your browser. Your files never leave your device.
What formats are supported?
JPG, PNG, and WebP. You can also convert between formats.
What is the maximum file size?
There is no hard limit since processing happens in your browser, but very large files (over 50MB) may be slower on older devices.
Does compression affect image quality?
You control the quality level. At 80% quality, most images look identical to the original while being 60-80% smaller.