Image ToolsNew
Image Compressor
Compress JPG, PNG, and WebP images locally in your browser. Reduce file size without losing quality.
Runs locally in your browser. 100% private & secure.
About Image Compressor
What is Image Compression?
Image compression is the process of reducing the file size of a digital image without significantly degrading its visual quality. It works by mathematically grouping similar pixels or safely discarding data that the human eye cannot easily perceive.
Why use an Image Compressor?
Large, unoptimized images are the #1 cause of slow websites.
- SEO Rankings: Google's Core Web Vitals heavily penalize slow-loading pages. Compressing your images instantly improves your PageSpeed Insights score.
- User Experience: Visitors will abandon a website if images take more than 3 seconds to load, especially on mobile networks.
- Bandwidth Savings: Smaller images consume less data, which is crucial for users on limited data plans and reduces hosting costs for website owners.
Lossy vs Lossless Compression
- Lossy Compression (JPEG, WebP): Significantly reduces file size by permanently discarding some visual data. At an 80% quality setting, the file size drops dramatically while the image looks nearly identical to the original.
- Lossless Compression (PNG): Reduces file size without losing any pixel data. Essential for logos, text-heavy graphics, and screenshots where sharp edges must be maintained.
Frequently Asked Questions
Are my images uploaded to your servers?
No. All image compression is performed entirely locally in your browser using the HTML5 Canvas API. Your files never leave your device.
Which image formats are supported?
We currently support JPEG, PNG, and WebP formats for both input and output compression.