## Why Image Size Matters
A 1-second delay in page load time reduces conversions by 7%. Images are responsible for ~50% of average webpage weight.
## Lossy vs Lossless Compression
**Lossless:** Reduces file size by removing metadata. Quality is identical to the original. Best for logos, screenshots.
**Lossy:** Discards visual data imperceptible to the human eye. Achieves 60β90% size reduction. Best for photographs.
## Choosing the Right Format
| Format | Best for | Transparency |
|——–|———-|————–|
| JPEG | Photos | β |
| PNG | Screenshots, logos | β
|
| WebP | Everything | β
|
**Always convert to WebP** for web use β 30% smaller than JPEG at the same quality.
## Step-by-Step
1. Open the Image Compressor
2. Upload your file
3. Adjust quality to 75β85% for photos
4. Download
## Real Results
A typical unoptimized photo: **4.2 MB JPEG β 340 KB WebP** at 80% quality. That’s 92% smaller.