4 items
Verify PDF digital signatures — integrity, certificate chain, trust, timestamp, revocation & LTV. Supports global CAs. Verify PDF digital signatures directly in your browser — no server uploads, no external services. Everything runs locally for maximum privacy. 在瀏覽器中直接驗證 PDF 數位簽章 — 無需上傳檔案、無需外部服務。所有驗證皆在本機執行，確保最高隱私安全。
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.