Back to News & Insights
SEO October 6, 2026 · 7 min read

Free SEO Tools for Technical SEO, Keywords, Sitemaps, Schema & More

A practical collection of free browser-based SEO tools for checking metadata, sitemaps, robots.txt, canonical URLs, schema markup, redirects, keywords, search intent, and other SEO tasks.

Free SEO Tools for Technical SEO, Keywords, Sitemaps, Schema & More

You may need to check a page's meta tags, preview a search snippet, validate a sitemap, inspect a canonical URL, test robots.txt rules, generate schema markup, analyze headings, research keywords, or build a UTM campaign URL.

Noloii's SEO Tools brings a collection of focused browser-based SEO utilities together in one place.

The collection currently includes tools for technical SEO, on-page SEO, crawling and indexing, structured data, keywords, international SEO, URLs, redirects, and campaign tracking.

SERP Snippet Preview — Preview how a page title, URL, and meta description may appear in search results.

Meta Tag Checker — Check title, meta description, robots directives, canonical URLs, Open Graph data, and other metadata.

SEO Title Generator — Generate title ideas based on a topic, keyword, or search intent.

Meta Description Generator — Create concise meta description ideas for webpages.

Open Graph Preview — Preview how webpage metadata may appear when a page is shared on supported social platforms.

Sitemap Checker — Check an XML sitemap for valid URLs, formatting issues, and common sitemap problems.

Canonical URL Checker — Inspect canonical tags and identify potential canonical URL issues.

Indexability Checker — Analyze common signals that can affect whether a webpage can be indexed.

SEO Header Checker — Inspect HTTP response headers and SEO-related headers such as X-Robots-Tag.

Redirect Checker — Check redirect chains, HTTP status codes, and redirect destinations.

Schema Markup Generator — Generate JSON-LD structured data for supported webpage types.

Schema Markup Validator — Validate JSON-LD structured data and identify common markup problems.

Keyword Density Checker — Analyze keyword frequency and density within supplied content.

Keyword Counter — Count keywords and phrases in text to understand content patterns.

SEO-Friendly URL Generator — Generate readable URL slugs from titles or keywords.

Want to discuss this further?

Book a free strategy call with our team to see how these insights apply to your specific business goals.

Book a consultation