Image compression is the art of minimizing file size without significantly degrading visual quality. When you compress image online using KyaToolsJi, our algorithms analyze the raw pixel data of your photo. Digital images, especially those straight from a camera, contain a vast amount of information that the human eye simply cannot perceive.
There are two main types of compression:
- Lossless Compression: This technique reduces file size by organizing data more efficiently without removing any details. It's often used for documents and professional photography archival.
- Lossy Compression: This is what most web tools use to reduce image size dramatically. By intelligently discarding redundant color data and smoothing out invisible noise, we can achieve file sizes that are 70-90% smaller than the original.
Our tool uses a "Smart Hybrid" approach. We strip invisible metadata (like GPS coordinates and camera models) which is often unnecessary for web use. Then, we apply perceptual quality matching. If you are compressing a JPG for a website, we prioritize text sharpness and edge definition. If it's a photograph, we focus on smooth color gradients.