Compress images to 300KB

Short answer: Open /compress?kb=300, pick WebP or JPEG, resize long side to 1920px if the source is huge, then export.

Last reviewed: April 2026.

  1. Open /compress?kb=300
  2. Set Format = WebP (try JPEG if needed)
  3. Resize longest side to 1920px for large photos

300KB balances quality and speed for many posts and forms.

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