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SEO Tools

Free SEO tools for marketers and developers. Build meta tags, validate schema markup, preview SERPs, generate robots.txt and sitemaps, analyze keywords and headings — all browser-based.

12 free tools · 100% browser-based · No signup

SEO Open tool
Meta Tag Builder & Preview
Write your title and description, see them rendered live in Google, Facebook, Twitter, and LinkedIn, then copy ready-to-paste HTML. Includes title pattern picker.
SEO Open tool
Schema Markup Builder & Validator
Build valid JSON-LD from a form, or paste existing schema to validate it. Supports Article, Product, FAQ, HowTo, Organization, LocalBusiness, Event, Recipe, Person.
SEO Open tool
SERP Preview Tool
Preview how your page appears in Google search results. Desktop and mobile views. Truncation warnings.
SEO Open tool
Robots.txt Builder
Visual robots.txt editor with 8 named presets: AI-Friendly, Block AI Crawlers, WordPress Default, E-commerce, Block Staging, and more. Custom rules + sitemap + crawl-delay.
SEO Open tool
XML Sitemap Builder
Build a valid sitemap.xml from URLs you enter or paste in bulk. Set priority, change frequency, and lastmod. Note: builds from URL lists, does not crawl your site.
SEO Open tool
Keyword Density Checker
Analyze keyword density with 1-gram, 2-gram, 3-gram frequency. Shows top keywords with occurrence counts.
SEO Open tool
Heading Tag Analyzer
Paste HTML to extract H1-H6 hierarchy tree. Flags missing H1, duplicates, skipped levels, empty headings.
SEO Open tool
Open Graph Preview
Preview how your link appears on Facebook, Twitter/X, LinkedIn, Slack, Discord. Pixel-perfect mockups.
SEO Open tool
Slugify
Convert text into a clean SEO-friendly URL slug.
SEO Open tool
FAQ Schema Generator
Build valid FAQPage JSON-LD from question-and-answer pairs. Copy clean schema markup for your page in seconds.
SEO Open tool
UTM Builder
Build clean campaign URLs with UTM parameters for analytics tracking. Add source, medium, campaign, term, and content.
SEO Open tool
Hreflang Generator
Generate hreflang link tags for multilingual pages. Add locale-URL pairs, x-default, and copy production-ready markup.

Popular in SEO

The most-used tools in this zone — start here if you're not sure where to begin.

About SEO Tools

Free SEO tools for marketers and developers. Build meta tags, validate schema markup, preview SERPs, generate robots.txt and sitemaps, analyze keywords and headings — all browser-based. Every tool on this page runs 100% in your browser — your files, text, and data never leave your device. No signup, no API keys, no upload limits.

Why use BreezyTools for seo?

BreezyTools offers 12 free seo tools alongside other tools across 15 categories. Everything is fast, private, and free forever — no premium tier, no ads in your face, no tracking your inputs. Browse the full tool catalog or jump to another category from the footer below.

Frequently asked questions

Are these SEO tools really free?

Yes. Unlike most SEO suites that gate features behind a $99/month subscription, every BreezyTools SEO tool is free forever.

Do I need to connect my Google account?

No. None of our SEO tools require any account connection, OAuth, or API key. Everything runs in your browser.

Can these replace Ahrefs or SEMrush?

Not entirely — those are full SEO platforms with their own crawl data. Our tools cover the on-page, technical, and content tasks where you don't need a backend.