WebPMagic

Original Data guides

2 guides filed under Original Data. See all 15 guides.

Original Data

We Converted 15 Real Images to WebP: Here’s What Actually Got Smaller

We stopped quoting the “25–34% smaller” averages and ran our own test: 15 real photos, screenshots, and logos through WebP at quality 80. The median file shrank 63%, the set went from 6.1 MB to 1.5 MB, and one image got bigger. Here are all the numbers.

11 min read

Original Data

What Quality Setting Should You Actually Use? A Quality Ladder Test

Everyone says “use quality 80” and nobody says why. We re-encoded the same four images at nine quality steps from 30 to 100 and recorded the file size at each stop, so you can see exactly where the curve flattens and where the artifacts start.

10 min read