Your PNG quality slider does nothing — I measured canvas.toBlob() for PNG, JPEG and WebP

Every image tool on the web has a "quality" slider. Almost nobody tells you which formats actually obey it. I build client-side image tools, so the slider isn't cosmetic for me — it's the whole feature.

Source: [Dev.to](https://dev.to/sharefun2023/your-png-quality-slider-does-nothing-i-measured-canvastoblob-for-png-jpeg-and-webp-7l2)