Specter Wiki is an online encyclopedia and discovery resource for manga, manhwa, manhua, webtoons, and related titles. Its catalog features more than 70,000 series, helping readers explore works through synopses, character information, scores, recommendations, and other listing details. Visitors can browse by genre, category, tag, demographic, magazine, or title, and find series through A–Z listings and rankings.

The site also highlights trending, popular, and highly rated selections, with information such as format, rating, and publication status shown for featured works. Its collection includes ongoing, completed, and hiatus titles, alongside novels and other related entries. For selected series, Specter Wiki links to Specter Scans, where readers can access manhwa and webtoons for free.

The site states that its data comes from AniList and MangaUpdates, while cover images are credited to their respective publishers. Overall, Specter Wiki brings catalog browsing, series information, reader recommendations, and access links together in one place for fans exploring comics from across these formats