Technical SEO & Developer Tools
Browser-side utilities for technical audits, metadata snippet validation, schema generation, and SEO ROI calculations. All data is processed client-side. No signups or tracking.
SEO Tools
Meta Tag Snippet Analyzer
Inspect page titles and meta descriptions with Google SERP snippet previews.
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SEO URL Slug Generator
Convert raw titles into clean, hyphenated SEO-friendly URL slugs.
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Keyword Density Analyzer
Analyze keyword frequency and n-gram density across your article copy.
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Readability Score Calculator
Measure content readability scores and sentence structure difficulty.
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Canonical URL Checklist
Audit canonical tags, indexability signals, and URL parameters.
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Internal Linking Opportunity Finder
Discover contextually relevant anchor texts and internal linking targets.
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Keyword Idea Generator
Expand seed terms into question, commercial, and location-based long-tail ideas.
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Heading Structure (H1-H6) Checker
Audit pasted HTML for skipped heading levels, multiple H1 elements, and hierarchy problems.
→Content Tools
Reading Time Calculator
Calculate estimated reading duration and word count statistics.
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Headline Analyzer
Score your article headlines for CTR, emotional resonance, and SEO length.
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FAQ Schema Generator
Build structured JSON-LD FAQPage markups for Google rich snippets.
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Character and Word Counter
Count characters, words, sentences, and paragraphs against common SEO and social limits.
→Measurement & Growth Tools
Design & Technical Tools
WCAG Color Contrast Checker
Check two colors against WCAG accessibility contrast thresholds.
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Social Media Image Size Guide
Find current image dimensions for Instagram, LinkedIn, YouTube, and more.
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Open Graph Preview Tool
Preview social titles, descriptions, and images before publishing.
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Redirect Map Builder
Build a clean 301 or 308 redirect map from old and new URL lists.
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Schema (JSON-LD) Generator
Generate valid JSON-LD for Article, Organization, LocalBusiness, and Product entities.
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Robots.txt Generator
Build a valid robots.txt file with Allow, Disallow, crawl-delay, and sitemap directives.
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Hreflang Tag Generator
Generate valid hreflang link tags, including x-default, for multilingual websites.
→Tool Center
Fast browser-side checks for everyday SEO work
Use these utilities before publishing to validate metadata, content structure, accessibility, tracking links, and basic growth assumptions without sending your inputs to a server.
Get the most from each tool
- Choose the utility that matches the decision you need to make.
- Enter real page data instead of placeholder content.
- Review the result together with the page context and search intent.
- Apply the change, then run the check again before publishing.
What can these tools solve?
- Pre-publication metadata and content checks
- Technical markup and redirect planning
- Accessibility and visual asset validation
- Campaign measurement and SEO forecasting
Frequently asked questions
Are Seobify tools free?
Yes. The tools on this page can be used without creating an account.
Is the information I enter uploaded?
The listed utilities process their inputs in your browser unless a tool explicitly states otherwise.
Do tool results replace a professional audit?
No. They support focused checks; a complete audit also evaluates crawl behavior, page relationships, search demand, and business context.
Tools reveal symptoms. Let us audit the complete site.
Combine technical SEO, competitor analysis, and a practical growth plan in one review.