Image Compressor
Compress JPG, PNG, and WebP images directly in your browser with real-time preview and quality controls.
Client-side calculations and instant parameter controls are initializing. All processing occurs securely in your browser.
How to Use the Image Compressor
- 1 Drag and drop or select one or more images from your device.
- 2 Adjust the compression quality slider to balance file size and visual fidelity.
- 3 Compare original and compressed file sizes with live percentage reduction.
- 4 Download individual optimized images or download all as a single ZIP archive.
Mathematical Formula & Principle
Reduction % = ((Original Size − Compressed Size) / Original Size) × 100
Calculations are performed with IEEE floating point mathematical precision directly in your device memory.
Worked Examples
High-Res Photo Compression
Reduces bandwidth and page load time with zero noticeable visual loss.
PNG Graphic Compression
Optimizes color palettes and removes redundant metadata.
Frequently Asked Questions
- Are my uploaded photos sent to any server?
- No. All image compression occurs directly on your device using client-side HTML5 Canvas. Your images are never uploaded or stored anywhere.
- Which image formats can I compress?
- You can compress JPEG (.jpg, .jpeg), PNG (.png), and WebP (.webp) images up to 50MB per file.
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