Spot the change.
Post the diff.
Adaptapedia is where fans log, vote on, and discuss what changed from book to screen — with spoiler controls so everyone can participate safely.
New pages start empty — that's the point. Your diffs build the database.
Thousands of works are indexed — the community fills in the diffs.
Popular comparisons
Explore the differences between beloved books and their adaptations
Dune
Harry Potter and the Deathly Hallows
It
Fight Club
The Hunger Games
The Shining
The Lord of the Rings
Jurassic Park
Why Adaptapedia?
Built for fans who love to compare notes
Structured Comparisons
Post differences as structured claims (plot, character, ending, tone). Vote and discuss to refine them into something accurate — not just hot takes.
Tim and Lex ages swapped
In the book Tim is 11 and tech-savvy; Lex is 8. The film reverses this...
Spoiler Control
Talk about changes without ruining the story. Start spoiler-safe, then opt into Book-only, Screen-only, or Full spoilers.
Safe mode hides all endings and major plot twists
Hides: ending changes, twist reveals, character deaths
Community Driven
Add diffs, challenge claims, and push for nuance. Consensus signals make it clear what's agreed on — and what's still debated.
How It Works
Three simple steps to start exploring
Search
Find a book + adaptation fast — even if you type it wrong
Compare & Discuss
Browse diffs by category, then jump into threads where fans debate what changed (spoiler-safe)
Contribute
Add the differences you noticed. Earn votes, build reputation, and help shape the consensus