Online Image Compressor Free
The best free image compressor to reduce image size kb instantly. Compress image size online with zero quality loss.
Upload Image to Compress
Supports JPG, PNG, and WebP up to 10MB
Privacy & Trust First
"Website speed is a critical SEO factor. Large images are the primary cause of slow load times (LCP). Our tool uses advanced lossy compression algorithms to selectively discard invisible data, reducing file weight significantly while maintaining visual fidelity visible to the human eye."
Popular Searches
Reduce your image file sizes by up to 90% without losing quality. Axonix's intelligent image compressor optimizes JPG, PNG, and WebP files directly in your browser for faster website loading speeds.
- 1Click 'Select File' or drag and drop your image (JPG, PNG, WebP) into the upload zone.
- 2Use the 'Quality Target' slider to find the perfect balance between file size and visual quality.
- 3Preview the result instantly in the side-by-side comparison view.
- 4Click 'Download Compressed Image' to save the optimized file to your device.
- Intelligent Compression: Smart algorithms that decide which data is redundant.
- Instant Preview: Compare original vs. compressed quality in real-time.
- Bulk Savings: Reduce headers and metadata for maximum byte-saving.
- Privacy Protected: Photos are processed locally and never uploaded to the cloud.
- Universal Support: Works with all major modern image formats.
Expert Use Cases
Faster Website Loading
Compress images before uploading them to your WordPress or React site to improve Core Web Vitals and SEO rankings.
Email Attachments
Shrink high-resolution photos so they stay under the 25MB attachment limit for Gmail, Outlook, or corporate email servers.
Social Media Uploads
Optimize images for Instagram, Twitter, or LinkedIn to ensure they upload faster and don't get crushed by aggressive server-side compression.
Storage Space Saver
Reduce the footprint of your photo library to save noticeable space on your hard drive or cloud storage plan.
Frequently Asked Questions
Learn More
Need practical guides, walkthroughs, and troubleshooting tips? Explore the Axonix blog for detailed tutorials.