SEO Unmasked

The anti-BS, offline SEO analyzer that exposes raw page data instantly.

As of June 2026, SEO Unmasked has 7 users in the Developer Tools category.

Usersno change0%
7
7
Ratingno change0%
— reviews
Reviewsno change0%
Version
1.4.1
Manifest V3

History

6 snapshots

Tracking since Apr 17, 2026.

7.44.51.5999999999999996Apr 17, 2026Jun 6, 2026
View as table
DateUsersRatingReviewsVersion
Apr 17, 20261.4.1
May 12, 202621.4.1
May 18, 20261.4.1
May 24, 202631.4.1
May 31, 202641.4.1
Jun 6, 202651.4.1
Now71.4.1

Changelog

  • Apr 1, 2026
    description
    # SEO Unmasked - The Ultimate Free SEO Extension
    
    SEO Unmasked is a 100% free, 100% local on-page SEO analyzer that runs entirely in your browser. Get instant, comprehensive SEO insights without paywalls, subscriptions, or sending data to external servers.
    
    ---
    
    ## Why Choose SEO Unmasked?
    
    - **100% Free Forever** — No premium tiers, no hidden paywalls, no account creation required. Full access to all features immediately.
    - **100% Local & Offline** — All analysis runs in your browser. Zero external API calls, zero data sent to servers. Your data never leaves your device.
    - **All-in-One On-Page SEO Tool** — From keyword analysis to schema generation, from PAA research to technical audits — everything you need in one place.
    - **Privacy First** — We track zero logs, store zero data externally, and never sell your information. What happens in your browser stays in your browser.
    
    ---
    
    ## Unique Features
    
    ###  PAA Scraper (People Also Ask)
    Extract questions directly from Google Search Results. Research what your audience is asking and create content that answers their queries.
    
    ###  Schema Wizard
    Generate production-ready JSON-LD structured data through a guided interface. Create Schema for Products, Reviews, FAQs, Articles, and more — no coding required.
    
    ###  Keyword Analysis
    - Primary keyword identification with relevance scoring
    - Keyword density calculator
    - Placement breakdown (title, URL, meta, headings, alt text)
    - Secondary keywords discovery
    
    ### Run History
    Track your SEO progress over time. Each run saves your score locally, so you can see improvements or regressions with delta comparisons.
    
    ###  Multi-Site Dashboard
    View and manage all your analyzed websites in one place. Compare scores across domains, access previous reports, and monitor overall SEO health.
    
    ---
    
    ## Core On-Page Analysis
    
    ### Instant SEO Score
    Get immediate A-F grades across Technical (50pts), Content (25pts), Performance (15pts), and Social (10pts) metrics. Know your page health at a glance.
    
    ### Technical Health
    - Meta tags (title, description, robots, canonical)
    - H1-H6 heading hierarchy with tree visualization
    - Language attribute and hreflang detection
    - XML Sitemap detection and analysis
    - Robots.txt rules extraction
    
    ### Content & Keywords
    - Word count and readability scoring
    - Keyword density and placement analysis
    - SERP Preview (Desktop & Mobile) with accurate pixel truncation
    - Social tags (Open Graph, Twitter Cards)
    
    ### Links & Images
    - Internal vs external link separation
    - Broken link detection (batch HTTP checking)
    - Nofollow, sponsored, and UGC attribute detection
    - Image alt text audit
    - Lazy loading and tracking pixel detection
    
    ---
    
    ## Advanced Technical Features
    
    - **Core Web Vitals** — LCP, CLS, and INP metrics captured directly from the page
    - **HTML vs DOM Diff** — See exactly how much content JavaScript adds after initial load
    - **Redirect Chain Tracing** — Follow redirects up to 10 hops with full status code visibility
    - **X-Robots-Tag Detection** — Check HTTP headers for indexing instructions
    - **JSON-LD Schema Viewer** — Syntax-highlighted code viewer with rich snippet type detection (Product, Review, FAQ, Recipe, Event, Organization, and more)
    
    ---
    
    ## Export & Integration
    
    - Export data as **JSON** or **CSV**
    - Generate formatted SEO reports
    - Copy individual data points to clipboard
    - Sticky panel mode for in-page analysis
    
    ---
    
    ## Install SEO Unmasked Today
    
    No sign-ups. No subscriptions. No data collection. Just powerful, instant SEO analysis — completely free.
    SEO Unmasked - The Ultimate Free SEO Extension
    
    SEO Unmasked is a 100% free, 100% local on-page SEO analyzer that runs entirely in your browser. Get instant, comprehensive SEO insights without paywalls, subscriptions, or sending data to external servers.
    
    ---
    
    Why Choose SEO Unmasked?
    
    - 100% Free Forever — No premium tiers, no hidden paywalls, no account creation required. Full access to all features immediately.
    - 100% Local & Offline — All analysis runs in your browser. Zero external API calls, zero data sent to servers. Your data never leaves your device.
    - All-in-One On-Page SEO Tool — From keyword analysis to schema generation, from PAA research to technical audits — everything you need in one place.
    - Privacy First — We track zero logs, store zero data externally, and never sell your information. What happens in your browser stays in your browser.
    
    ---
    
    Unique Features
    
    PAA Scraper (People Also Ask)
    Extract questions directly from Google Search Results. Research what your audience is asking and create content that answers their queries.
    
    Schema Wizard
    Generate production-ready JSON-LD structured data through a guided interface. Create Schema for Products, Reviews, FAQs, Articles, and more — no coding required.
    
    Keyword Analysis
    - Primary keyword identification with relevance scoring
    - Keyword density calculator
    - Placement breakdown (title, URL, meta, headings, alt text)
    - Secondary keywords discovery
    
    Run History
    Track your SEO progress over time. Each run saves your score locally, so you can see improvements or regressions with delta comparisons.
    
    Multi-Site Dashboard
    View and manage all your analyzed websites in one place. Compare scores across domains, access previous reports, and monitor overall SEO health.
    
    ---
    
    Core On-Page Analysis
    
    Instant SEO Score
    Get immediate A-F grades across Technical (50pts), Content (25pts), Performance (15pts), and Social (10pts) metrics. Know your page health at a glance.
    
    Technical Health
    - Meta tags (title, description, robots, canonical)
    - H1-H6 heading hierarchy with tree visualization
    - Language attribute and hreflang detection
    - XML Sitemap detection and analysis
    - Robots.txt rules extraction
    
    Content & Keywords
    - Word count and readability scoring
    - Keyword density and placement analysis
    - SERP Preview (Desktop & Mobile) with accurate pixel truncation
    - Social tags (Open Graph, Twitter Cards)
    
    Links & Images
    - Internal vs external link separation
    - Broken link detection (batch HTTP checking)
    - Nofollow, sponsored, and UGC attribute detection
    - Image alt text audit
    - Lazy loading and tracking pixel detection
    
    ---
    
    Advanced Technical Features
    
    - Core Web Vitals — LCP, CLS, and INP metrics captured directly from the page
    - HTML vs DOM Diff — See exactly how much content JavaScript adds after initial load
    - Redirect Chain Tracing — Follow redirects up to 10 hops with full status code visibility
    - X-Robots-Tag Detection — Check HTTP headers for indexing instructions
    - JSON-LD Schema Viewer — Syntax-highlighted code viewer with rich snippet type detection (Product, Review, FAQ, Recipe, Event, Organization, and more)
    
    ---
    
    Export & Integration
    
    - Export data as JSON or CSV
    - Generate formatted SEO reports
    - Copy individual data points to clipboard
    - Sticky panel mode for in-page analysis
    
    ---
     Install SEO Unmasked Today
    
    No sign-ups. No subscriptions. No data collection. Just powerful, instant SEO analysis — completely free.

Permissions & access

Permissions
storagetabswebRequestactiveTab
Host access
<all_urls>

Screenshots

SEO Unmasked screenshot 1SEO Unmasked screenshot 2SEO Unmasked screenshot 3SEO Unmasked screenshot 4SEO Unmasked screenshot 5

About

SEO Unmasked - The Ultimate Free SEO Extension

SEO Unmasked is a 100% free, 100% local on-page SEO analyzer that runs entirely in your browser. Get instant, comprehensive SEO insights without paywalls, subscriptions, or sending data to external servers.

---

Why Choose SEO Unmasked?

- 100% Free Forever — No premium tiers, no hidden paywalls, no account creation required. Full access to all features immediately.
- 100% Local & Offline — All analysis runs in your browser. Zero external API calls, zero data sent to servers. Your data never leaves your device.
- All-in-One On-Page SEO Tool — From keyword analysis to schema generation, from PAA research to technical audits — everything you need in one place.
- Privacy First — We track zero logs, store zero data externally, and never sell your information. What happens in your browser stays in your browser.

---

Unique Features

PAA Scraper (People Also Ask)
Extract questions directly from Google Search Results. Research what your audience is asking and create content that answers their queries.

Schema Wizard
Generate production-ready JSON-LD structured data through a guided interface. Create Schema for Products, Reviews, FAQs, Articles, and more — no coding required.

Keyword Analysis
- Primary keyword identification with relevance scoring
- Keyword density calculator
- Placement breakdown (title, URL, meta, headings, alt text)
- Secondary keywords discovery

Run History
Track your SEO progress over time. Each run saves your score locally, so you can see improvements or regressions with delta comparisons.

Multi-Site Dashboard
View and manage all your analyzed websites in one place. Compare scores across domains, access previous reports, and monitor overall SEO health.

---

Core On-Page Analysis

Instant SEO Score
Get immediate A-F grades across Technical (50pts), Content (25pts), Performance (15pts), and Social (10pts) metrics. Know your page health at a glance.

Technical Health
- Meta tags (title, description, robots, canonical)
- H1-H6 heading hierarchy with tree visualization
- Language attribute and hreflang detection
- XML Sitemap detection and analysis
- Robots.txt rules extraction

Content & Keywords
- Word count and readability scoring
- Keyword density and placement analysis
- SERP Preview (Desktop & Mobile) with accurate pixel truncation
- Social tags (Open Graph, Twitter Cards)

Links & Images
- Internal vs external link separation
- Broken link detection (batch HTTP checking)
- Nofollow, sponsored, and UGC attribute detection
- Image alt text audit
- Lazy loading and tracking pixel detection

---

Advanced Technical Features

- Core Web Vitals — LCP, CLS, and INP metrics captured directly from the page
- HTML vs DOM Diff — See exactly how much content JavaScript adds after initial load
- Redirect Chain Tracing — Follow redirects up to 10 hops with full status code visibility
- X-Robots-Tag Detection — Check HTTP headers for indexing instructions
- JSON-LD Schema Viewer — Syntax-highlighted code viewer with rich snippet type detection (Product, Review, FAQ, Recipe, Event, Organization, and more)

---

Export & Integration

- Export data as JSON or CSV
- Generate formatted SEO reports
- Copy individual data points to clipboard
- Sticky panel mode for in-page analysis

---
 Install SEO Unmasked Today

No sign-ups. No subscriptions. No data collection. Just powerful, instant SEO analysis — completely free.

Technical

Version
1.4.1
Manifest
V3
Size
382KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
ggfgdkfehicjeicmefnfdmlflocpphfa
Developer ID
ucad1bd96691efd17fe5984cef842dc47
Developer Email
[email protected]
Created
Mar 17, 2026
Last Updated (Store)
Mar 29, 2026
Last Scraped
Jun 6, 2026
Support URL
Privacy Policy

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