How to avoid artifacts (WebP/JPEG)

Short answer: Resize before you squeeze KB, bump target size on gradients, swap WebP↔JPEG if you see banding—always preview at 100%.

Last reviewed: April 2026.

  • Downscale first; then target KB
  • Avoid over‑compressed gradients/text; try higher KB
  • Switch format if halos appear (WebP ↔ JPEG)

Test presets: 300KB, 500KB, 800KB.