Free Online Image Compressor
Reduce image file sizes while maintaining visual quality with our free online image compressor. Perfect for optimizing images for web, email, social media, and storage. All compression happens in your browser - your images never leave your device.
Why Compress Images?
- Faster Loading: Smaller images load quicker, improving website performance
- Better SEO: Google rewards fast-loading pages with better search rankings
- Save Storage: Compressed images take up less space on your device or server
- Email Friendly: Stay under email attachment size limits
- Mobile Optimized: Reduce data usage for mobile users
How Image Compression Works
Our tool uses lossy compression to reduce file size. This means some image data is removed, but the changes are usually imperceptible to the human eye. You can adjust the quality slider to find the perfect balance between file size and visual quality.
Compression Quality Guide
- 10-40%: Maximum compression, noticeable quality loss. Good for thumbnails.
- 50-70%: Balanced compression, slight quality loss. Good for web images.
- 80-90%: Minimal compression, high quality. Good for photography.
- 90-100%: Very little compression, nearly original quality.
Best Practices for Image Compression
- Start with high-quality source images for best results
- Aim for 70-80% quality for a good balance
- Always preview before downloading
- Keep original files as backups
- Compress before uploading to websites or social media
Privacy & Security
Your privacy is our priority. All image compression happens entirely in your browser using HTML5 Canvas technology. Your images are never uploaded to our servers, and no data is stored or transmitted. This ensures complete privacy and faster processing.
Supported Image Formats
Our compressor works with all common image formats including:
- JPEG/JPG: Most common format for photos
- PNG: Best for graphics with transparency
- WebP: Modern format with excellent compression
When to Use Image Compression
- Preparing images for your website or blog
- Uploading photos to social media platforms
- Sending images via email
- Creating image galleries
- Optimizing images for mobile apps
- Reducing cloud storage usage