Blog
How Image Compression Works: JPEG, PNG, WebP and AVIF Explained
A technical look at how the four major web image formats compress data — DCT blocks, lossless prediction, VP8 and AV1 — and why each produces the file sizes it does. For the decision itself, see our image format guide.
How Image Compression Works: JPEG, PNG, WebP and AVIF Explained
A technical look at how the four major web image formats compress data — DCT blocks, lossless prediction, VP8 and AV1 — and why each produces the file sizes it does. For the decision itself, see our image format guide.