Image Compressor
Compress JPEG/WebP images with a quality slider. See before/after file sizes and download the result.
What is Image Compressor?
The Image Compressor reduces image file sizes using smart compression algorithms — applying lossy compression to JPEGs and lossless/near-lossless compression to PNGs — while maintaining visually indistinguishable quality. Images up to 90% smaller with no perceptible quality loss are common.
Images are the largest contributor to page weight on most websites, often accounting for 60–80% of total page size. Compressing images is the single highest-impact performance optimisation available, directly improving Core Web Vitals scores — particularly Largest Contentful Paint (LCP).
Why Use Image Compressor?
Unoptimised images are the most common cause of slow-loading websites. A 2MB photo that displays at 300×200 pixels is 10x larger than it needs to be. Image compression is the fastest, highest-impact performance improvement for most sites — this tool achieves it in seconds, in the browser.
Key Features of Image Compressor
- ✓Compresses JPG, PNG, and WebP images
- ✓Adjustable quality level (10–100%)
- ✓Shows original vs compressed size and savings percentage
- ✓Lossless PNG optimisation option
- ✓Batch compression for multiple images
How to Use Image Compressor
- 1
Upload your image
Click to select or drag and drop one or multiple images.
- 2
Set quality level
Choose a quality setting (80% is usually the sweet spot for JPEGs).
- 3
Compress
Click 'Compress' to process the image.
- 4
Review the result
Compare original and compressed file sizes. Preview the compressed image for quality.
- 5
Download
Download the compressed image and use it in your website.
Frequently Asked Questions about Image Compressor
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