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Blocks ads and replaces their placements with words to learn. Palimpscape is an ad blocker that replaces advertising spaces with words worth learning. Instead of leaving empty gaps where ads appeared, Palimpscape turns those spaces into vocabulary prompts. Learn rare words in your native language, study a new language, or add your own personal word list. Features: • Blocks ads using EasyList and regional filter lists • Replaces detected ad placements with vocabulary words • Learn rare vocabulary or words from another language • Click a word to view its definition or translation • Hide words you no longer want to see • Add your own words and optional descriptions • Gives manually added words priority • Refreshes filter lists automatically • Stores your vocabulary, settings, and learning progress locally Palimpscape processes webpages locally to detect advertising placements. It does not sell or transmit your browsing history, page content, form data, or personal vocabulary. Turn the advertising you encounter while browsing into opportunities to learn.
Jul 21, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.