Mobile Upload Limits: Prepare Images Fast

Short answer: Phone photos often blow past 2–5MB form caps—resize longest side, then use /compress with a KB preset (200/500) before you upload.

Last reviewed: April 2026.

  • Common limits: 2–5MB or 200–500KB in some forms
  • Use Target (KB) to hit exact limits: try 200KB/500KB presets
  • Downscale longest side (e.g., 1920px) for huge camera photos

Open /compress?kb=500 to start with 500KB.