Resize OGV files

Resizing is usually the biggest lever for reducing OGV file size.

Last updated: 2026-03-18

To resize OGV files, run npx optimo video.ogv --resize <value>. Optimo supports three modes: percentage (50%), dimensions (w960), and target file size (150kB). Resizing reduces both dimensions and file size in one step — often more effective than compression alone.

Resize by percentage

Quick way to scale down when you don't know exact dimensions yet.

npx optimo video.ogv --resize 50%

Resize by dimensions

Cap width or height to match how the asset is displayed.

npx optimo video.ogv --resize w960

Use w for width and h for height.

Resize to a target file size

Useful for thumbnails and previews when you want predictable budgets.

npx optimo video.ogv --resize 150kB

Start with a budget you can ship everywhere, then adjust based on quality.

OGV-specific tips

  • Cap resolution to the player size; don’t ship larger than necessary.
  • Shorten duration when possible; it’s the biggest size factor.
  • Keep an MP4 fallback if you use WebM for primary delivery.

Frequently asked questions

How do I resize OGV files?
Optimo supports three resize modes: percentage (--resize 50%), dimensions (--resize w960 or --resize h480), and target file size (--resize 150kB). Run "npx optimo video.ogv --resize <value>" to resize and optimize in one step.
What is the best resize mode for OGV?
Use dimensions (--resize w960) when you know the display size. Use percentage (--resize 50%) for quick scaling. Use target file size (--resize 150kB) for thumbnails and budgets. Resizing is usually the single biggest lever for reducing OGV file size.