GuardExt
Detect and alert on malicious browser extensions
As of June 2026, GuardExt has 1,000 users and a 4.00/5 rating from 4 reviews in the Productivity category.
Usersno change0%
1.0K
1,000
Ratingno change0%
4.00
4 reviews
Reviewsno change0%
4
Version
1.0.4
Manifest V3
90-day change · In the last 90 days this extension 1 version update.
History
2 snapshotsTracking since Apr 19, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 19, 2026 | 1.0K | 4.00 | 4 | 1.0.3 |
| Apr 25, 2026 | 1.0K | 4.00 | 4 | 1.0.4 |
| Now | 1.0K | 4.00 | 4 | 1.0.4 |
Permissions & access
- Permissions
- management
- Host access
- https://clients2.google.com/*, https://halkichi0308.github.io/*
Screenshots
About
インストールされているブラウザ拡張機能をスキャンし、潜在的なセキュリティ リスクを可視化するプラグインです。 ◾️権限分析 危険または機微な権限（webRequestBlocking、debugger、cookies、clipboardRead など）や、広範なホストアクセスパターン（<all_urls>、*://*/*）を検出します。 ◾️インストール種別チェック Chrome Web Store 経由ではない、サイドロードやデベロッパーモードでインストールされた拡張機能を検出・警告します。 ◾️悪意あるIDブロックリスト照合 バンドルされた既知の悪意ある拡張機能IDリストと照合します。一致した場合は「BLOCKLISTED」バッジを表示し、該当理由も明示します。 ◾️リスクスコアリング 各拡張機能に対して総合スコアを算出し、「Safe」「Warning」「Danger」に分類します。 ◾️自動更新 拡張機能はスキャン時に最新のブロックリストを取得します A Chrome extension that scans your installed browser extensions and flags potential security risks. Features: ◾️Permission analysis — Detects dangerous and sensitive permissions (webRequestBlocking, debugger, cookies, clipboardRead, etc.) and broad host access patterns (<all_urls>, *://*/*). ◾️Install type checks — Flags sideloaded and developer-mode extensions that weren't installed from the Chrome Web Store. ◾️Malicious ID blocklist — Cross-references each extension against a bundled list of known malicious extension IDs. Matches are tagged with a BLOCKLISTED badge and the specific reason. ◾️Risk scoring — Each extension receives a composite score and is categorized as Safe, Warning, or Danger. ◾️Auto-updating blocklist — the extension can fetch the latest blocklist at scan time with a local fallback.
Technical
- Version
- 1.0.4
- Manifest
- V3
- Size
- 16.41KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- okofagphbpbgnennblfkgdlclfmkadie
- Developer ID
- u05277d1483e3123212f9996360d94cfb
- Developer Email
- [email protected]
- Created
- Feb 1, 2026
- Last Updated (Store)
- Apr 13, 2026
- Last Scraped
- Jun 7, 2026
- Website
- —
- Support URL
- —
- Privacy Policy
- —
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Data sourced from the Chrome Web Store · last verified Jun 7, 2026.