Instant SEO Analysis for Every Page You Visit

SEO Analyzer Tools is a simple browser extension that provides SEO insights right in your browser. Analyze any webpage instantly to see meta tags, structured data schemas, and basic on-page SEO issues—without leaving the page you’re viewing.

Perfect for SEO professionals, web developers, and digital marketers who need fast, accurate audits. The free version includes complete analysis tools, while premium adds export capabilities for client reporting and data analysis.

Why Premium? If you need to export data for client reports, spreadsheet analysis, or documentation, premium unlocks professional export tools. The $25 lifetime option eliminates recurring fees forever.

Install Now!

Free Version

(free forever)

Real-time meta tag analysis
(standard, Open Graph, Twitter/X)

JSON-LD structured data parsing and display

11-point SEO health check with actionable recommendations

On-Page SEO Score (0-100) with detailed breakdown

Direct links to Google Rich Results Test and Schema.org validator

Unlimited page analysis with no rate limits

Complete privacy – all analysis happens locally

Premium

($1.99/month or $25 lifetime)

Everything in Free version

Export to JSON (minified) – perfect for developers and API integration

Export to Pretty JSON – human-readable format for technical teams

Export to CSV – import to Excel/Google Sheets for analysis and reporting

Export to Text Report – client-ready professional documentation

All exports include meta tags, schemas, issues, and timestamps

Account dashboard with subscription management

More Features Coming Soon

We’re actively developing new capabilities based on user feedback:

Chrome & Edge Support
Cross-browser compatibility
Historical Tracking
Save and compare SEO data over time
Bulk Export
Analyze and export multiple pages at once
Social Media Preview
See how pages appear on Twitter, Facebook, LinkedIn
Competitor Comparison
Side-by-side analysis of multiple pages
Custom Reports
Branded PDF reports with your logo

Want to influence our road-map? Visit GitHub to suggest updates.

GitHub

The Perfect Tool to help Analyze your Websites!

Questions? Have a look at our FAQs

What data do you collect

None. All analysis happens locally in your browser. We never see what pages you analyze or what you export. Read the Privacy Policy.

Does this work on any website

Yes. Works on any page you can visit, including password-protected and internal sites.

What’s the difference between free and premium?

Free includes all analysis features. Premium adds export capabilities (JSON, CSV, text reports) for professional reporting and data analysis.

Which browsers are supported?

Currently Firefox. Chrome and Edge support coming soon.

Can I cancel my monthly subscription?

Yes, any time with no questions asked.
Or choose the $25 lifetime option and never worry about subscriptions.

Change Log

2025-11-12 – Version 1.1.1

Added explicit Firefox data-collection declaration (required: ["none"]) to comply with latest add-on policies
Fixed image previews broken by earlier security changes
Improved meta-tag image detection for og:image and twitter:image

2025-11-11 – Version 1.1.0

Added a dedicated Headings tab showing full H1–H6 hierarchy with visual indentation
Added click-to-scroll and temporary highlight when jumping to headings on the page
Added inline image previews for og:image, twitter:image, and schema images (including ImageObject structures)
Included headings hierarchy data in all export formats (JSON, CSV, text)
Increased panel width from 500px to 600px for better layout and readability
Added new CSS utility classes and improved word-breaking for long URLs
Improved handling of complex nested data in key/value rendering
Fixed image rendering in tables so HTML is displayed correctly

2025-10-01 – Version 1.0.0

Initial production release of SEO Analyzer Tools
Real-time meta tag analysis (standard, Open Graph, Twitter/X)
JSON-LD structured data parsing with nested object support
11-point SEO health check and 0–100 on-page SEO score
Direct links to Google Rich Results Test and Schema.org validators
Premium tier with ExtPay (monthly and lifetime options)
Export to JSON, CSV, and text report formats
Account dashboard for premium subscribers
Zero data collection, local-only analysis, GPL-3.0 license
Firefox (Manifest V3) support, with Chrome/Edge planned and per-page export limitation noted