SEO ToolBox

RedSEO utility SEO toolbox with GSC calculations overlay and more.

As of June 2026, SEO ToolBox has 435 users and a 4.80/5 rating from 5 reviews in the Developer Tools category.

Usersup 4.3 percent+4.3%
435
435
Ratingno change0%
4.80
5 reviews
Reviewsno change0%
5
Version
5.0.0
Manifest V3

History

6 snapshots

Tracking since Apr 18, 2026.

461.28437.5413.72Apr 18, 2026Jun 3, 2026
View as table
DateUsersRatingReviewsVersion
Apr 18, 20264174.8055.0.0
Apr 28, 20264204.8055.0.0
May 8, 20264384.8055.0.0
May 15, 20264254.8055.0.0
May 24, 20264514.8055.0.0
Jun 3, 20264584.8055.0.0
Now4354.8055.0.0

Permissions & access

Permissions
scriptingtabsdownloadsactiveTabstorage
Host access
https://search.google.com/search-console/*, https://chromeuxreport.googleapis.com/*, https://status.search.google.com/*, <all_urls>

Screenshots

SEO ToolBox screenshot 1SEO ToolBox screenshot 2SEO ToolBox screenshot 3SEO ToolBox screenshot 4SEO ToolBox screenshot 5SEO ToolBox screenshot 6SEO ToolBox screenshot 7

About

Transform any webpage into an SEO powerhouse with SEO ToolBox — the all-in-one, AI-powered analysis and optimization toolkit built for SEO professionals, digital marketers, and web developers. 

🚀 Key Features

📊 Comprehensive SEO Audit Engine
Get a real-time SEO health check with detailed scoring across five critical categories:

✅ Content Quality – Evaluate word count, heading structure, content depth, and readability
✅ Metadata Optimization – Analyze title tags, meta descriptions, and canonical URLs
Technical HTML Review – Check image optimization, form integrity, and structural elements
✅ Link Structure Analysis – Assess internal/external links and anchor text distribution
✅ Mobile & Social – Verify responsive design and social media share optimization
✅ On-Page SEO Audit – Run instant on-page SEO checks to flag missing elements, opportunities, and issues

🤖 AI-Powered Meta Generation
Harness GPT to craft perfectly optimized metadata in seconds:

✅ Smart Title Generator – Create compelling, SEO-focused titles
✅ Meta Description Writer – Generate click-boosting descriptions
✅ One-Click Copy – Instantly copy AI outputs to your clipboard

🔍 Advanced Keyword Analysis
Uncover keyword opportunities with precision:

✅ Keyword Density Calculator – Measure frequency and placement
✅ Phrase Analysis – Track 1–4 word phrases with flexible filters
✅ Stemming & Prominence – Leverage advanced linguistic analysis
✅ CSV Export – Download detailed keyword reports for deeper insights
✅ Segment Analysis – Break content into sections for targeted optimization

🖼️ Image Optimization Tools
Ensure your images are fast and search-friendly:

✅ Alt Text Inspector – Flag missing or weak alt text
✅ Image Analysis – Review file size, dimensions, and load impact
✅ Visual Alt Overlay – View alt text directly on images as you browse
✅ Bulk Image Review – Get a complete image audit in seconds
✅ Convert WebP- One click to convert to WebP format

🔗 Link Analysis & Management
Perfect your linking strategy with powerful auditing tools:

✅ Internal Link Audit – Identify linking gaps and opportunities
✅ External Link Review – See all outbound links and attributes
✅ Nofollow Highlighter – Instantly spot nofollow links on any page
✅ Link Quality Assessment – Evaluate link relevance and authority

📋 Schema Markup Validator
Unlock rich results with clean, complete structured data:

✅ Auto Schema Detection – Instantly identify existing markup

⚡ Page Performance Insights
Diagnose performance issues that impact rankings:

✅ Core Web Vitals – Measure LCP, INP, and CLS in real time
✅ Page Speed Analysis – Identify slow assets and bottlenecks
✅ Page Size & Resources – Review file weight and request counts
✅ Indexability Check – Ensure pages are crawlable and indexable

🧮 Google Search Console Metric Calculations
Bring key GSC insights right into your browser:

✅ Percent Change Calculations – Quickly compare clicks, impressions, CTR, and position between date ranges

🛠️ Developer & SEO Utilities
Speed up implementation and testing:

✅ Design Mode Toggle – Edit live page content in-browser
✅ Header Highlighter – Visualize heading structure (H1–H6)
✅ Screenshot Capture – Save and share page screenshots easily
✅ Wayback Machine Integration – Instantly view historical versions
✅ Real-Time Editing – Make quick adjustments on the fly

📈 Google Algorithm Updates Tracker
Stay ahead of search volatility with live insights:

✅ Real-Time Algorithm Status – See active Google updates
✅ Historical Tracking – Monitor changes over time
✅ Visual Charts – Interactive graphs for easy interpretation

🔧 External Tool Integration
Extend your SEO workflow seamlessly:

✅ Bulk 301 Redirect Tool
✅ Keyword Research Assistant
✅Featured Snippet Optimizer
✅Meta Data Generator
✅Internal Linking Planner

💡 Why Professionals Love SEO ToolBox

✅ All-in-One Solution – Replace multiple tools with one powerful extension
✅ Real-Time Analysis – Get instant SEO insights as you browse
✅ AI-Enhanced Optimization – Boost content quality using advanced language models
✅ Pro-Level Precision – Built for experts, agencies, and serious marketers
✅ Workflow Efficiency – Save time with streamlined audits and generation
✅ Comprehensive Reports – Actionable recommendations in every category
✅ Seamless Integration – Works with your existing SEO stack
✅ Constant Innovation – Frequently updated with new features

🎯 Perfect For

✅ SEO Specialists – In-depth audits and content optimization
✅ Digital Marketers – Content performance and keyword strategy
✅ Web Developers – Technical implementation and validation
✅ Content Creators – AI-powered writing and optimization
✅ Agencies – Scalable client reporting and analysis
✅ E-commerce Teams – Optimizing product and category pages

🚀 Get Started Today
Install SEO ToolBox and supercharge your SEO workflow. Instantly audit any page, generate optimized content with AI, and uncover opportunities that drive real rankings.

Join thousands of professionals who trust SEO ToolBox to power their daily optimization.

Technical

Version
5.0.0
Manifest
V3
Size
2.18MiB
Min Chrome
88
Languages
1
Featured
Yes

Metadata

ID
capogagnfnlldbckigijdchklaeiemch
Developer ID
u13a16911295b19b11213af1026183f44
Developer Email
[email protected]
Created
Jul 28, 2023
Last Updated (Store)
Dec 31, 2025
Last Scraped
Jun 3, 2026
Website
redseo.io

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Data sourced from the Chrome Web Store · last verified Jun 3, 2026.