Professional SEO Tools.
Zero Cost.
Analyze backlinks, audit technical SEO, and optimize content density with our privacy-focused tools. No sign-up required.
All Tools
📝 On-Page SEO
Keyword Density
Check n-gram frequency and optimize relevance.
SERP Preview
Visualize how your page flows in Google results.
Title Checker
Validate length and pixel width of titles.
Meta Checker
Optimize descriptions for CTR.
Heading Extractor
Audit H1-H6 structure and meta tags.
Readability Checker
Flesch-Kincaid ease scores.
Word Counter
Count words and reading time.
⚙️ Technical SEO
Robots.txt Tool
Generate and test crawl directives.
Sitemap Tool
Validate XML or generate simple maps.
Schema Generator
JSON-LD for FAQ, Article, Organization.
Canonical Checker
Audit canonical tag implementations.
Hreflang Generator
International SEO tags builder.
Core Web Vitals
LCP, INP, and CLS scores.
📈 Marketing & Calc
What This SEO Tools Collection Includes
This suite provides 19 free SEO and marketing tools organized into three categories. On-Page SEO tools help you optimize content elements like titles, meta descriptions, headings, keywords, and readability. Technical SEO tools handle crawl directives, sitemaps, canonical tags, structured data, hreflang tags, and Core Web Vitals. Marketing calculators help you track campaigns with UTM parameters and calculate ROI, CTR, and CPC.
How to Choose the Right Tool
- Starting an SEO audit: Use the Heading & Meta Extractor to scan any page for its title, description, headings, canonical tag, and structured data in one click.
- Optimizing content before publishing: Use the Title Tag Checker, Meta Description Checker, and Readability Checker to ensure your content meets best practice guidelines.
- Checking keyword usage: Use the Keyword Density Checker to analyze word frequency and identify over-optimization.
- Fixing technical SEO issues: Use the Canonical Checker, Robots.txt Tool, and Sitemap Validator to audit crawl and indexing configurations.
- Adding structured data: Use the Schema Markup Generator to create JSON-LD for FAQ, Article, Organization, and other types.
- Tracking marketing campaigns: Use the UTM Builder to tag URLs and the ROI, CTR, and CPC calculators to measure performance.
Common SEO Workflows
- Pre-publish content check: Write content, check readability score, verify keyword density, optimize the title tag and meta description, then preview the SERP snippet.
- Technical SEO audit: Scan headings and meta tags, check canonical implementation, validate robots.txt rules, verify the sitemap, and test Core Web Vitals.
- Campaign setup: Build UTM-tagged URLs, calculate expected ROI, and set CPC and CTR benchmarks.
- Competitive analysis: Fetch competitor titles, descriptions, and heading structures. Compare keyword density and readability scores against your own content.
Frequently Asked Questions
Are these SEO tools really free?
Yes. All tools on this site are completely free to use with no sign-up, no account creation, and no usage limits. The tools run in your browser and use public APIs where needed.
Do I need to create an account to use these tools?
No. All tools work instantly without registration. Just enter your URL or text and get results immediately.
What types of SEO tools are available?
The suite includes on-page SEO tools like keyword density checker, title tag checker, meta description checker, readability checker, and SERP snippet preview. Technical SEO tools include robots.txt generator, sitemap validator, canonical checker, schema markup generator, hreflang generator, and Core Web Vitals checker. Marketing tools include UTM builder, ROI calculator, CTR calculator, and CPC calculator.
How do the URL-based tools fetch page data?
Tools that analyze URLs use a server-side proxy to fetch the page HTML. The proxy retrieves the raw HTML content, which is then parsed in your browser. Only publicly accessible pages can be analyzed.
Which tool should I use first for an SEO audit?
Start with the Heading and Meta Extractor to get a quick overview of any page's title, description, headings, and schema markup. Then use specific tools like the Title Tag Checker or Canonical Checker to dig into individual elements.
Is my data stored or shared?
No. All analysis happens in your browser. URLs are sent to the proxy server only to fetch page content. No data is stored, logged, or shared with third parties.
Sources and References
- Google Search Central - SEO Starter Guide: developers.google.com
- Google Search Central - Structured Data: developers.google.com
- Bing Webmaster Guidelines: bing.com
- web.dev - Core Web Vitals: web.dev
- Schema.org: schema.org
- MDN Web Docs - HTML Elements: developer.mozilla.org