TidyList is a desktop web tool for building, sorting, and cleaning YouTube playlists hundreds of videos at a time, built on YouTube's official API. It scans every playlist for duplicates and unavailable (private/removed) videos the moment you open it, lets you filter by YouTube's own categories or search by title, and shows exactly what will change before anything is saved — nothing touches your account until you confirm. A free health check is unlimited; saving changes costs £4.99 for one month or £11.99 for one year, with no auto-renewal.

What holds up
- +Shows exactly what will change before saving — nothing touches YouTube until you confirm
- +Built on YouTube's official API, so it keeps working when YouTube changes its site
- +Free, unlimited playlist health check for duplicates and unavailable videos
- +One-off price (£4.99/month or £11.99/year) with no auto-renewal to cancel later
Mind the limits
- −Can't manage Watch Later, and Liked Videos are capped at 5,000 — YouTube's own API limits
- −Requires signing in with Google OAuth, granting a third-party app access to your YouTube account
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