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Right-click lookups for CVEs, IPs, domains, URLs, file hashes, and email addresses straight from selected text. Cyber Toolkit Enhanced adds right-click lookups for the indicators security professionals check most often — CVE IDs, IP addresses, domains, URLs, file hashes, email addresses, and system/database error codes. Highlight text (or right-click a link) and the menu adapts to show only the lookups that make sense for what you selected. Choose a lookup and the extension either fetches a result directly and shows a clean summary in its own results tab, or opens the right public page for you — whichever the target service supports. Vulnerability and threat intelligence Look up a CVE and get its NVD description, CVSS score, and references. Check an IP, domain, URL, or file hash against multiple reputation and threat-intel sources at once, with results merged into a single summary. Pull domain registration data, certificate transparency history, TLS/SSL configuration grade, exposed-service data, and historical snapshots. Email checks Run an email address through a domain blacklist/MX check, or get a reputation summary, straight from your selection. Error code reference Look up Windows system error codes, HTTP status codes, Linux/POSIX errno constants, and Oracle or PostgreSQL database error codes, resolved to their exact name and description rather than a generic search. Your data, your keys Several reputation and threat-intel services support an optional free API key for richer results. Keys are entered once in the Options page, stored only in your browser's local extension storage, never logged, and never sent anywhere except the one service each key belongs to. Every lookup works without a key too — it just opens that service's own public page instead of an in-extension summary. Nothing you look up is ever sent to us. Cyber Toolkit Enhanced has no server, no analytics, and no tracking of any kind.
Aug 30, 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.