SEO Tools — Generate Meta Tags, Schema and Sitemaps Free
SEO tools generate the small artefacts search engines read — meta and social tags, canonical and hreflang links, robots rules, structured data and sitemaps — without crawling your site.
All SEO tools
- Keyword Cannibalization Checker
Find the queries two or more of your pages compete for, from a Search Console export.
- Canonical Tag Generator
Generate one escaped canonical link tag from your URL.
- Hreflang Tag Generator
Generate hreflang link tags for multilingual pages.
- Keyword Density Checker
Count keyword frequency and density with explicit token rules.
- Meta Tag Generator
Draft escaped title, description, canonical, and OG tags locally.
- Open Graph Tag Generator
Generate escaped Open Graph meta tags for any page locally.
- Redirect Rule Generator
Generate redirect snippets for Apache, Nginx, Netlify or Vercel.
- Robots.txt Generator
Draft crawler rules with conflict warnings, locally and safely.
- Schema Markup Generator
Build Article, FAQ, and Breadcrumb JSON-LD from visible fields.
- SERP Snippet Preview
Preview search snippet appearance for desktop and mobile locally.
- XML Sitemap Validator
Check sitemap structure, locations, and limits without fetching.
- Twitter Card Generator
Generate escaped Twitter Card meta tags locally.
- UTM Campaign URL Builder
Build encoded UTM campaign URLs with a parameter table locally.
Search engines reward pages that are technically legible, yet the required snippets are fiddly to write by hand. A missing canonical invites duplicate addresses, a careless robots rule blocks a folder, an incomplete social card loses its picture, and a sitemap that disobeys the protocol is quietly ignored. This category supplies generators for those artefacts. Compose title, description, Open Graph and Twitter tags with correct escaping, declare a preferred address, list language alternates, draft crawler instructions, build JSON-LD for articles and FAQs, check a sitemap's shape, and plan tracking parameters or redirect rules. Every output is a starting point you review before shipping, because these pages never crawl your site, call a search interface, or promise a ranking. Owners of small shops, agencies and personal blogs use them to ship the boring metadata correctly. Because you type values into the form, nothing about your site is fetched while the tags are prepared.
Formats and limits are described per tool; each tool page states the ones that tool actually accepts and enforces.
Shipping the metadata crawlers actually read
The recurring job is dressing a page for search and social without touching its content. Build the core tags first by drafting the title, description and social tags, then declaring one preferred address for the page so duplicates collapse onto a single URL. Social previews deserve their own pass, because the Open Graph and Twitter Card pages add pictures and handles the basic set omits. Once several language versions exist, listing the locale and URL pairs as hreflang tags helps engines treat them as alternatives rather than copies.
The mistakes are mostly shortcuts. People paste a relative path where an absolute address is required, forget that fragments should never reach tracking parameters, or spread one canonical across pages that genuinely differ. Copying tags between environments is another trap, since a staging address shipped to production quietly tells crawlers the wrong story. Assuming a preview equals the live result is the last common illusion; these generators never fetch a page and no snippet promises a ranking.
Choose by artefact. Tags want the meta generator, duplication wants the canonical page, and internationalisation wants hreflang. Site-wide instructions belong to the robots rules builder, and the whole crawl surface is worth a check with the sitemap shape validator before you deploy.
Work in the order a crawler meets your page. Give every distinct address one canonical declaration, reserve redirects for genuinely moved content, and avoid chaining several hops together. Keep descriptions inside the length a results page will display, write titles a person would actually click, and let alt text describe the image rather than repeating keywords. Before a launch, confirm the sitemap lists only status-200 destinations, that robots rules never block a folder you meant to expose, and that no staging hostname leaked into the markup. Treat measurement tools, such as a density review or an approximate snippet, as mirrors for your own judgement rather than verdicts. Record the tags you shipped alongside each release, so a future redesign can compare intent instead of guessing why a snippet was written.
Compare your options
| Tool | Best for | Input | Output |
|---|---|---|---|
| Canonical Tag Generator | Declaring one preferred address per page | An absolute http(s) URL | One escaped canonical link tag |
| Hreflang Tag Generator | Describing language and region versions | Locale and URL pairs, plus an optional x-default | Escaped hreflang link tags |
| Keyword Density Checker | Checking how often terms appear | Pasted text | Frequency and density per term under stated rules |
When this category is NOT the answer
If the ranking problem is really a wording problem, markup will not rescue a page nobody wants to read. Draft stronger titles and descriptions with the creator tools before you wrap them in tags.
Jobs you can do with SEO tools
- Publish machine-readable metadata for a site
Describe a page to crawlers: build structured data, check the sitemap shape and ship the metadata without promising a ranking or fetching anything.
- Check a page's search tags before launch
Verify the search-facing tags on a page before it goes live: draft the title and description, add a social card and confirm the crawl surface agrees.
Start here: a practical SEO workflow
- Draft the core tags with Meta Tag Generator, then add social cards using Open Graph and Twitter Card generators.
- Declare the preferred address with Canonical Tag Generator and language alternates with Hreflang Tag Generator.
- Finish the crawl surface using Robots.txt Generator and XML Sitemap Validator before deploying.
Frequently asked questions about SEO tools
Do these tools crawl or fetch my website?
No. Every generator works from the values you type; nothing is fetched from your site and no search interface is contacted.
Do they guarantee a better ranking?
No. They produce correct, escaped markup; ranking depends on many factors outside any generator's control.
Is the preview the same as Google's result?
No. SERP Snippet Preview is an approximation labelled as such; search engines decide the final appearance themselves.
Will the output work in my stack?
Redirect rules are emitted per target format and the pages warn that server syntax varies by version, so test before deploying.
Categories related to SEO
- Developer
Choose Developer tools when you need to inspect or format the JSON-LD or configuration a snippet produces.
- Creator
Use Creator tools when the missing piece is the wording of a title or description rather than its markup.
- Text
Pick Text tools when you only need to count characters or trim a meta description to length.
SEO guides: which tool to pick
- Basic meta, Open Graph, or Twitter Card: which tags do you need?
Separate the three head-tag groups by audience: search results, link previews, and X card rendering.
- Canonical or hreflang: which duplicate problem are you fixing?
Distinguish same-language duplicates from translated versions that should coexist in search results.
- Robots.txt or sitemap: which one tells crawlers what?
Choose the right control for blocking paths, advertising URLs, or mapping old addresses to new ones.