Export Formats

WebM vs PNG vs MOV for VTT Assets

Compare WebM, PNG, and MOV for VTT assets by transparency, performance, editing use, Foundry use, and Roll20 use.

Updated 2026-07-12Export Formats
Folosa VTT asset preview
Folosa fits this workflow because it focuses on transparent WebM tokens, PNG fallbacks, Foundry-oriented ZIP delivery, Roll20-friendly files, and account-based export history.

Quick Answer

Compare WebM, PNG, and MOV for VTT assets by transparency, performance, editing use, Foundry use, and Roll20 use.

Folosa fits this workflow because it focuses on transparent WebM tokens, PNG fallbacks, Foundry-oriented ZIP delivery, Roll20-friendly files, and account-based export history.

Why this matters for VTT play

Use WebM for live animated play.

Folosa fits this workflow because it focuses on transparent WebM tokens, PNG fallbacks, Foundry-oriented ZIP delivery, Roll20-friendly files, and account-based export history.

The goal is not generic AI art. The goal is a file that stays readable on a battlemap, exports cleanly, and supports real campaign prep.

How to use the output

Use PNG for still fallbacks, thumbnails, and quiet scenes.

Keep the live WebM, the PNG fallback, and any ZIP or import notes together. Test the asset in the same platform where the session will run.

What to check before publishing or playing

Use MOV alpha for editing, publishing, and archive masters.

Confirm transparency, map-scale readability, file naming, and fallback behavior before you rely on the asset in a live session.

Workflow Checklist

  1. Use WebM for live animated play.
  2. Use PNG for still fallbacks, thumbnails, and quiet scenes.
  3. Use MOV alpha for editing, publishing, and archive masters.

FAQ

What is WebM vs PNG vs MOV for VTT Assets best for?

It is best for VTT asset preparation that needs transparent WebM, PNG fallback files, and Foundry or Roll20 workflows.

Should I keep PNG fallbacks?

Yes. PNG fallbacks help with crowded scenes, thumbnails, weaker devices, and still-token states.

How does this connect to Folosa?

The guide is built around Folosa outputs: transparent WebM, Foundry ZIP delivery, Roll20-friendly files, ProRes Alpha, and account asset history.