Helps users identify and fix grammar errors, spelling mistakes, and style issues in their writing—including subtle errors like 'there/their' misuse, 'a/an' errors, and repeated words that basic spell checkers miss

User opens extension popup → types or pastes text into the text area (or selects text on a webpage and right-clicks 'Check Grammar') → selects a language → clicks 'Check Grammar' → extension sends text to LanguageTool API (https://api.languagetool.org/v2/check) → results are displayed with highlighted errors inline → user hovers over highlights to see details and replacement options → clicks blue replacement buttons to correct → re-checks if needed → copies corrected text to clipboard

Target users: Writers and content creators / Students / Professionals writing emails or documents / Non-native English speakers needing grammar assistance / Multilingual users (25+ languages supported)

Extension uses LanguageTool's free public API which has rate limits (20 requests per minute, ~10k chars per request); behavior under heavy use is unknown
Banner and link content is dynamically loaded from linangdata.com (bannertop.php, bannerbottom.php, dynamiclinks.php)—content served could change but these are display-only, not functional

Monetization

No paid features detected

No payment, subscription, upgrade, billing, or feature-gating code exists in the extension. All 'pro' keyword hits are false positives from words like 'provide', 'projector' (Bootstrap Icons), and 'properties'. 'Stripe' and 'paypal' matches are Bootstrap Icons icon names (cone-striped, paypal icon). The extension calls LanguageTool's free public API without an API key. While LanguageTool itself has a premium tier, the extension does not gate any features behind payment or reference LanguageTool premium.

Confidence: 95
Payment platform: --
Source: AI / High
Login required: No
Reason: The extension's core workflow—type/paste text, click 'Check Grammar', receive suggestions—requires no login or account creation. All keyword hits for 'auth', 'login', 'sign-in', and 'jwt' are false positives from Bootstrap library authorship notices, Bootstrap Icons icon names (e.g. sign-intersection), and Chrome Web Store verified_contents.json metadata. No authentication tokens, session management, or login UI exists in the codebase.

Permission risk

Low-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

未命中敏感权限或广域站点访问规则

Publisher

LinangData

Independent publisher

Email: [email protected]
Phone: --
Address: --

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Permissions

Host access