FAQ
Find answers for API usage, builder workflows, and integrations.
Getting Started
What is Posterium?
Posterium is a free movie & TV poster generator with live rating badges.
You can generate posters from a URL or fine-tune every badge in the builder.
Is Posterium free to use?
Yes — Posterium is free and open source.
You can use the API and the builder without creating an account.
Builder
Can I open an existing poster setup in the builder?
Yes.
Use the Open in Builder action from the examples gallery, or open /build with query parameters that include a saved config state.
Which export formats are supported?
You can export in SVG, PNG, JPG, and WEBP.
These options are available from the export menu in both the builder and examples gallery.
API
Which rating sources are supported?
Posterium supports multiple rating sources, including:
- IMDb
- Rotten Tomatoes
- Metacritic
- TMDB
- Letterboxd
- AniList
- MyAnimeList
What happens when a rating source is missing?
You can enable fallback providers in the builder.
Posterium will attempt alternate sources based on your configured fallback pool.
Integrations
Does Posterium work with Plex and Jellyfin?
Yes. Posterium output URLs are designed for media-server workflows.
You can use exported URLs directly in many poster replacement tools and automation pipelines.
What is "Copy for AIOMetadata"?
That action copies a template URL using {imdb_id} placeholders.
It helps tools like AIOMetadata inject per-title IMDb IDs automatically.