File Upload Compressor
Free online image compressor. Compress JPEG, PNG, WebP, AVIF and BMP images before uploading. Adjustable compression quality with live size comparison. All processing happens locally in your browser.
Upload Files
Click or drag files here
Supports JPEG / PNG / WebP / AVIF / BMP
What Is File Upload Compressor?
File Upload Compressor is a free online tool that runs entirely in your browser. No download or signup needed — select your images, adjust the quality slider, and compress them instantly. All data is processed locally and never leaves your device.
Use Cases
- Compress photos before sharing on social media or attaching to emails
- Reduce image file size to fit upload limits
- Batch compress images on mobile without installing an app
- Optimize web images for faster page loading
Key Features
- Completely Free: No registration, no limits
- Privacy Safe: Data never leaves your browser
- Cross-Platform: Any modern browser
- Zero Dependencies: Open and use