Roll20 WebM

How to Use WebM Tokens in Roll20

Use compact transparent WebM tokens in Roll20 with upload checks, map placement, loop testing, file naming, and PNG fallbacks.

Updated 2026-07-12Roll20 WebM
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

Use compact transparent WebM tokens in Roll20 with upload checks, map placement, loop testing, file naming, and PNG fallbacks.

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

Choose a compact WebM before upload.

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

Place it on the map and test loop behavior before the session.

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 PNG fallbacks for crowded scenes or background creatures.

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

Workflow Checklist

  1. Choose a compact WebM before upload.
  2. Place it on the map and test loop behavior before the session.
  3. Use PNG fallbacks for crowded scenes or background creatures.

FAQ

What is How to Use WebM Tokens in Roll20 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.