If you value your time at even $15/hour, the AEScripts Auto Transition Builder for After Eff pays for itself after the first two projects.
: It operates as an extension/panel within After Effects, often requiring the aescripts + aeplugins manager for easy installation and license management. custom folders
He selected four clips. Click. Done.
Despite its utility, the proliferation of such automation tools carries a risk. If every editor uses the same "Zoom 3D" preset with the same default easing curves, visual fatigue sets in.
: Pick the desired transition types from your library or packs within the extension panel.
When importing your own transitions, the script uses a "smart resize" feature to ensure they fit the current composition's dimensions automatically.