AE2CSS

What's in the install

One installer, more than one panel. Here is what lands in After Effects, where each piece sits in the menus, and what it is for.

AE2CSS Exporter

Installed

The main panel — the one that reads your composition and writes the web code.

Open Window → Extensions → AE2CSS
  • Pick a composition, then Analyze to see what it found and preview the result inside the panel.
  • Export writes the HTML and CSS a developer pastes into a page.
  • Updates arrive inside the panel — you do not reinstall for a new version.

Quick Launcher

Installed

A small panel you can dock next to the timeline, so the two things you do most are one click away instead of a trip through the Extensions menu.

Open Window → AE2CSSExporterLauncherPanel.jsx
  • It sits in the Window menu itself, not under Extensions — After Effects lists script panels there, by file name.
  • Analyze hands your current selection to the exporter and opens it with that selection already loaded. If the exporter is open already, it just sends the selection across.
  • Edit Particles finds the particle layer in the active composition, selects it, and opens Particle Lab for it — see below.
  • Dock it like any other panel; After Effects remembers it in your workspace.

Particle Lab

Coming soon

A separate panel for building particle systems inside After Effects that leave as real web particles — page elements the browser animates, resolved from a seed so the preview and the export are the same thing. Not a video, not a sprite sheet.

Will open Window → Extensions → Particle Lab
  • Not part of the installer yet. The Launcher's Edit Particles button is already wired for it and will start working the moment it ships.
  • The exporter side is done: a particle system in your composition is already read and exported today.
Restart After Effects once after installing. After Effects builds its Window menu when it starts, so the Quick Launcher is invisible until the next launch — reloading the extension does nothing for it, and nothing tells you it is missing. The exporter panel itself does not need this; it just needs After Effects to have been closed while the installer ran.
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