Yes. All SEO tools on Stax are free with no sign-up, no usage limits, and no premium tier.

Do I need to install any plugins?

No plugins or browser extensions are required. All tools run directly in your browser.

Is my website data stored?

No. Any URLs, page content, or keywords you enter are processed locally and never transmitted to Stax servers.

Which SEO tools are available?

Stax includes a UTM link builder, JSON-LD schema markup generator (Article, FAQ, Product, LocalBusiness, and more), meta tag preview for Google and social cards, robots.txt generator, XML sitemap generator, and keyword density checker.

Does the schema markup generator support all schema types?

The generator supports Article, Product, FAQ, LocalBusiness, Person, Event, Recipe, and HowTo schema types. Output is standard JSON-LD that you can paste into any website's tag.

🔍

Free SEO & Marketing

SEO tools help marketers and website owners build UTM-tagged links, generate JSON-LD schema markup, preview meta tags in Google and social cards, create robots.txt files, build XML sitemaps, and analyze keyword density — all in-browser, for any website. No API keys or plugins required.

6 tools available

Most Popular

UTM Link Builder

Build UTM-tagged URLs for Google Analytics campaign tracking. Add utm_source, utm_medium, utm_campaign, utm_term, and utm_content to any URL.

Try it free →Schema Markup Generator

Generate JSON-LD schema markup for Article, Product, FAQ, LocalBusiness, Person, Event, Recipe, and HowTo. Copy the <script> tag for your <head>.

Try it free →Meta Tag Preview

Preview how your page looks in Google Search, Twitter/X cards, and Facebook shares. Generate the complete HTML meta tag snippet instantly.

Try it free →

All SEO & Marketing (6)

UTM Link Builder

Build UTM-tagged URLs for Google Analytics campaign tracking. Add utm_source, utm_medium, utm_campaign, utm_term, and utm_content to any URL.

Open tool →Schema Markup Generator

Generate JSON-LD schema markup for Article, Product, FAQ, LocalBusiness, Person, Event, Recipe, and HowTo. Copy the <script> tag for your <head>.

Open tool →Meta Tag Preview

Preview how your page looks in Google Search, Twitter/X cards, and Facebook shares. Generate the complete HTML meta tag snippet instantly.

Open tool →robots.txt Generator

Generate a robots.txt file. Block AI training bots (GPTBot, CCBot), disallow private paths, set crawl delay, and add your sitemap URL.

Open tool →XML Sitemap Generator

Create an XML sitemap with URLs, priorities, change frequencies, and last modified dates. Download the sitemap.xml for Google Search Console.

Open tool →Keyword Density Checker

Analyse keyword frequency and density for any text. Check target keyword density, view top 30 words, and avoid SEO over-optimisation.

Open tool →

Frequently Asked Questions

Are SEO tools free?: Yes. All SEO tools on Stax are free with no sign-up, no usage limits, and no premium tier.
Do I need to install any plugins?: No plugins or browser extensions are required. All tools run directly in your browser.
Is my website data stored?: No. Any URLs, page content, or keywords you enter are processed locally and never transmitted to Stax servers.
Which SEO tools are available?: Stax includes a UTM link builder, JSON-LD schema markup generator (Article, FAQ, Product, LocalBusiness, and more), meta tag preview for Google and social cards, robots.txt generator, XML sitemap generator, and keyword density checker.
Does the schema markup generator support all schema types?: The generator supports Article, Product, FAQ, LocalBusiness, Person, Event, Recipe, and HowTo schema types. Output is standard JSON-LD that you can paste into any website's <head> tag.