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How to Reduce Image File Size (Compress and Resize)

Published: Oct 19, 2026 | Updated: Oct 19, 2026 | About (Japanese)

Key points
  • Reduce with quality and image dimensions (long side)
  • Process several images at once
  • Check the result before using it

You may need to shrink images for upload limits or email size.

Steps

  1. Open "Compress & Resize Images" and choose images. You can select several.
  2. Choose "Quality": Small, Normal or High.
  3. Choose "Size (long side)": As is, 2000px, 1600px, 1200px or 800px.
  4. Choose the format (JPEG / WebP) and tap "Compress".

What helps most

After saving

Before and after sizes are shown on screen. Check the look before using.

Use "Compress & Resize Images" (free)

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