3 items
Discover, filter and block third-party resources instantly. Resource Guardian helps you understand and control everything a page loads. Instantly see first‑ and third‑party hosts, then block what you don’t want with one click—no scripts or advanced setup needed. Key features: Live host discovery grouped by base domain (first‑ vs third‑party) One‑click block/unblock for domains and specific URLs (Manifest V3 + DNR) Per‑URL preview with open/copy tools Search, filters, sorting, and bulk actions per section Export/import of your block lists (domains and exact URLs) Optional risk checks: intersect with URLhaus (malware) and StevenBlack; auto‑block third‑party matches Internationalized UI with many languages and RTL support No data collection; all processing is local Why these permissions: Read and change data on all sites: required to list and block the requests you choose Declarative Net Request: to install dynamic blocking rules WebRequest (passive): to measure and display requests (does not intercept or modify traffic) Storage: to save your local settings and lists Privacy We do not collect, transmit, sell, or share user data. All analysis happens locally on your device. See the Privacy Policy for details.
Feb 26, 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.