Nofollow & Dofollow Link Checker — SEO Link Highlighter | LinkViz

Highlight nofollow, dofollow, sponsored & UGC links instantly. CSV/JSON export, PDF reports, anchor text analysis. Free SEO tool.

LinkViz — the SEO link checker and highlighter for professionals. Instantly detects and color-codes nofollow, dofollow, sponsored, and UGC links on any webpage. See which links pass authority — then analyze, export, and report — all in one tool. KEY FEATURES 4 LINK TYPES — COLOR-CODED DETECTION - Dofollow links highlighted in green — links that pass SEO authority - Nofollow links highlighted in red — links that don't pass authority - Sponsored links highlighted in orange — paid and advertising links - UGC links highlighted in purple — user-generated content links - Case-insensitive detection — catches rel="NoFollow" that other extensions miss DONUT CHART DASHBOARD - See your dofollow percentage at a glance with an interactive ring chart - Link type breakdown — dofollow, nofollow, sponsored, UGC counts EXPORT TO CSV, JSON & CLIPBOARD - Download all links with URL, anchor text, type, rel attributes, and scope - CSV with proper escaping — commas, quotes, newlines handled correctly - JSON format for developers and API integration - One-click clipboard copy for quick sharing PDF REPORTS — PROFESSIONAL LINK ANALYSIS - Generate client-ready link analysis reports with one click - Branded report with stats grid, composition bar, and full link table - Top anchor text analysis included SPA & DYNAMIC CONTENT SUPPORT - Works on React, Vue, Angular sites, Twitter, LinkedIn - MutationObserver detects links loaded via JavaScript in real-time - Chunked processing — no page freezing even on pages with 1000+ links LIGHT & DARK THEME - Switch between light and dark mode with one click META ROBOTS DETECTION - Alerts you when a page has nofollow or noindex meta tags 100% PRIVATE — ZERO DATA COLLECTION - All data stored locally in Chrome Storage - Zero network requests — works completely offline - No accounts, no servers, no analytics 6 LANGUAGES Available in English, Russian, Spanish, German, French, and Portuguese. No ads. No tracking. No email walls. Just links.