About the Local Image Compressor
Compress, resize, and optimize images directly in your browser. This tool helps reduce image file sizes for web speed optimization without uploading your confidential files to external servers.
How to Use
- 1
Upload or drop your JPEG, PNG, or WebP image into the drop zone.
- 2
Use the quality slider to adjust target compression level.
- 3
Set custom max width or height dimensions if you want to resize.
- 4
Click 'Download' to grab your optimized image instantly.
Key Features
- 100% private: Image processing occurs locally in browser memory
- Supports WebP, JPEG, and PNG source files
- Adjustable compression ratio with real-time file size comparison
- Optional width and height resizing
- Convert formats (e.g. PNG to WebP) on the fly
Frequently Asked Questions
Will my image lose quality during compression?
A compression level of 70% to 80% usually reduces image file size by 50% to 80% with virtually zero noticeable difference in visual quality.
Are my photos secure?
Yes. Processing is completed on your device using HTML5 Canvas. We do not store or transmit your photos.