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Free Online SEO Tools

Keyword research, meta tag generators, schema markup tools, SERP previewers and readability analyzers — free SEO tools that help your content rank.

✓ 97 Tools ⚡ Free 🔒 Private 🚫 No Login
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All SEO Tools

Showing all 97 tools

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Robots.txt Generator
Generate a robots.txt file for your website.
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Meta Tag Generator
Generate optimized HTML meta tags for better SEO.
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Keyword Density Checker
Analyze keyword density and frequency in your content.
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Sitemap Generator
Generate an XML sitemap for better search indexing.
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SERP Preview Tool
Preview how your page looks in Google search results.
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Backlink Checker
Check and analyze backlinks for any website.
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Page Speed Checker
Analyze page speed and performance metrics.
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Open Graph Checker
Check Open Graph tags for social media previews.
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Schema Markup Generator
Generate structured data schema markup for SEO.
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Alt Text Generator
Generate descriptive alt text for images.
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Canonical URL Tool
Generate and check canonical URL tags.
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Redirect Checker
Check URL redirects and status codes.
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Domain Authority Checker
Check domain authority and page authority scores.
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SEO Title Generator
Generate SEO-optimized page titles for content.
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Meta Description Generator
Generate compelling meta descriptions for pages.
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Keyword Research Tool
Research keywords and find related search terms.
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Word Frequency Analyzer
Analyze how often words appear in your content.
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Internal Link Analyzer
Analyze internal linking structure of any page.
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Title Tag Checker
Check title tag length and optimization status.
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Heading Tag Analyzer
Analyze H1, H2, H3 heading structure on pages.
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Readability Score
Check text readability using Flesch-Kincaid score.
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URL Slug Generator
Generate SEO-friendly URL slugs from page titles.
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Meta Keywords Generator
Generate meta keyword tags from content analysis.
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Google Analytics UTM Builder
Build UTM tracking parameters for campaign URLs.
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Anchor Text Optimizer
Optimize anchor text for internal and external links.
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Image SEO Checker
Check image optimization for SEO best practices.
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Page Title Analyzer
Analyze and score your page title for SEO.
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Content Gap Finder
Find content gaps and keyword opportunities.
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LSI Keyword Generator
Generate LSI and semantic keywords for SEO content.
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SERP Rank Tracker
Track keyword ranking positions over time.
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Backlink Opportunity Finder
Find backlink opportunities for your website.
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Website Audit Tool
Run a basic SEO audit on any web page.
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Broken Link Checker
Check for broken links on any web page.
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Mobile Friendly Checker
Check if your website is mobile-friendly.
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PageRank Estimator
Estimate PageRank score for any webpage.
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Keyword Competition Checker
Check keyword competition level for SEO planning.
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Long Tail Keyword Generator
Generate long-tail keyword variations from a seed term.
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Question Keyword Finder
Find question-based keywords from any topic.
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Competitor Keyword Finder
Find keywords that competitors are ranking for.
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Search Intent Analyzer
Analyze and classify search intent for keywords.
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Content Score Calculator
Score content quality and SEO optimization level.
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Flesch Reading Score
Calculate Flesch-Kincaid reading ease score for content.
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Passage Similarity Checker
Check content similarity to avoid duplicate content.
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TF-IDF Calculator
Calculate TF-IDF scores for keyword relevance.
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Accessibility Checker
Check web pages for accessibility issues.
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Sitemap Index Generator
Generate a sitemap index file for large websites.
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Hreflang Generator
Generate hreflang tags for multilingual websites.
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AMP Validator
Validate Accelerated Mobile Pages markup.
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Facebook Pixel Generator
Generate Facebook Pixel installation code.
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Google Tag Manager Snippet
Generate Google Tag Manager code snippets.
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Analytics Event Generator
Generate Google Analytics event tracking code.
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Social Share Counter
Count social media shares for any URL.
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Link Shortener
Create shortened links for sharing and tracking.
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UTM Parameter Stripper
Strip UTM parameters from URLs for clean links.
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Canonical Checker
Check canonical tags on any web page.
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Noindex Checker
Check if pages are noindexed by search engines.
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Schema Tester
Test and validate structured data schema markup.
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Rich Results Checker
Check pages for Google rich result eligibility.
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Local SEO Generator
Generate local business schema for local SEO.
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Review Schema Generator
Generate review and rating schema markup.
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Event Schema Generator
Generate event schema markup for search engines.
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Recipe Schema Generator
Generate recipe schema markup for food blogs.
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Product Schema Generator
Generate product schema markup for ecommerce.
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Article Schema Generator
Generate article schema markup for blogs.
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Video Schema Generator
Generate video schema markup for video content.
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Podcast Schema Generator
Generate podcast schema markup for podcast pages.
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Course Schema Generator
Generate course schema markup for educational content.
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Job Posting Schema
Generate job posting schema markup for listings.
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HowTo Schema Generator
Generate HowTo schema markup for tutorial pages.
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Breadcrumb Schema Generator
Generate breadcrumb schema markup for navigation.
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Sitelinks Searchbox
Generate Sitelinks Searchbox schema markup.
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Organization Schema
Generate Organization schema markup for businesses.
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Person Schema Generator
Generate Person schema markup for author profiles.
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Place Schema Generator
Generate Place schema for local business listings.
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Book Schema Generator
Generate Book schema markup for book pages.
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Movie Schema Generator
Generate Movie schema markup for film pages.
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Software App Schema
Generate SoftwareApplication schema markup.
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Medical Condition Schema
Generate MedicalCondition schema for health sites.
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FAQ Schema Generator
Generate FAQ schema markup for FAQ sections.
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Speakable Schema
Generate Speakable schema for voice search optimization.
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WebPage Schema
Generate WebPage schema markup for pages.
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Website Schema Generator
Generate WebSite schema markup for homepages.
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BreadcrumbList Schema
Generate BreadcrumbList JSON-LD for site navigation.
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Image Alt Checker
Check all images on a page for missing alt text.
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Heading Structure Checker
Visualize and check H1-H6 heading structure.
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Internal Link Counter
Count all internal and external links on a page.
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Word Count Checker
Check word count of any web page for SEO.
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Keyword Extractor
Extract main keywords and topics from any text.
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Toxic Link Analyzer
Identify potentially toxic backlinks for disavow.
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Page Authority Estimator
Estimate page authority score for any URL.
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Topical Authority Checker
Check topical authority for a website niche.
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E-E-A-T Score Checker
Evaluate Experience, Expertise, Authority and Trust signals.
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Featured Snippet Optimizer
Optimize content for featured snippet eligibility.
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People Also Ask Finder
Find People Also Ask questions for any keyword.
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Knowledge Panel Checker
Check Knowledge Panel eligibility for entities.
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Index Coverage Checker
Check indexation coverage for website URLs.
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Core Web Vitals Analyzer
Analyze Core Web Vitals scores and recommendations.
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About Our SEO Tools

Search engine optimization requires constant analysis, creation and testing. Helium Dock provides a rich suite of free SEO tools that cover every aspect of on-page optimization — from meta tag generation and keyword density analysis to schema markup creation and readability scoring. Unlike expensive SEO platforms, all of our tools are completely free and do not require an account. Use them to audit content, generate structured data, preview how pages will appear in search results, and identify optimization opportunities — all without leaving your browser.

Frequently Asked Questions

Are these SEO tools as good as paid alternatives? ▾
For on-page analysis and tag generation tasks, yes. Our tools cover the most commonly needed SEO utilities without the subscription cost.
Do SEO tools require any API keys or accounts? ▾
No. All tools work immediately without any credentials or accounts.
Can schema markup generated here be used on any website? ▾
Yes. The schema markup is standard JSON-LD that can be added to any website.

Explore All Tool Categories

Helium Dock offers 1000+ free tools across eight categories. Explore them all:

📝 Text Tools 🖼️ Image Tools 📄 PDF Tools 💻 Developer Tools 🔍 SEO Tools 🧮 Calculators 🔄 Converters ✨ Generators