100% Free SEO Toolkit  ·  No Credit Card  ·  Runs In Your Browser

21 Free Professional SEO Tools

Genuinely functional SEO utilities engineered for technical webmasters, copywriters, and agency strategists. Run audits, generate compliant structured data, inspect headings, and audit meta tags.

Live Backend Crawler

Live Website SEO Audit Engine

Enter any public URL to inspect response times, Core Web Vitals barriers, robots indexability, canonical loops, heading structures, and social tags.

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Audit & Analysis Popular

Live Website SEO Audit

Perform a comprehensive live technical and on-page SEO inspection of any URL via our crawler engine.

Launch Tool → 100% Free

Meta & Social

Meta Title Generator

Craft high-converting, Google-compliant SEO page titles with real-time character and pixel width meters.

Launch Tool → 100% Free

Meta & Social

Meta Description Generator

Generate CTR-boosting meta descriptions within the optimal 120–160 character search snippet window.

Launch Tool → 100% Free

Meta & Social Essential

SERP Snippet Preview Tool

Simulate how your webpage appears on Google Desktop and Mobile search engine result pages.

Launch Tool → 100% Free

Meta & Social

Open Graph Meta Tag Generator

Generate Facebook, LinkedIn, and Twitter card meta tags with instantaneous social card preview.

Launch Tool → 100% Free

Technical & Code

Schema Markup Generator

Generate valid Schema.org JSON-LD structured data for Organization, Article, Local Business, and WebApp.

Launch Tool → 100% Free

Technical & Code

FAQ Schema Generator

Build Google-recognized FAQPage JSON-LD structured markup to qualify for rich accordion SERP snippets.

Launch Tool → 100% Free

Technical & Code

Robots.txt Generator

Create syntax-valid robots.txt files with customized crawler rules, disallow paths, and sitemap directives.

Launch Tool → 100% Free

Technical & Code

XML Sitemap Generator

Generate standard XML sitemaps from custom URL lists with change frequencies and priorities.

Launch Tool → 100% Free

Links & URLs

Canonical Tag Generator

Prevent duplicate content penalties by generating self-referencing or cross-domain canonical links.

Launch Tool → 100% Free

Links & URLs

URL Slug Generator

Convert headlines and phrases into clean, lowercase, hyphenated URL slugs stripped of stop words.

Launch Tool → 100% Free

Links & URLs

UTM Campaign Link Builder

Build Google Analytics 4 tracking URLs with source, medium, campaign name, term, and content tags.

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Content & Text

Keyword Density Checker

Analyze 1-word, 2-word, and 3-word phrase frequency and density to avoid search keyword stuffing.

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Technical & Code

Heading Structure Checker

Inspect HTML or markdown to verify proper H1–H6 hierarchy and detect skipped heading levels.

Launch Tool → 100% Free

Content & Text

Readability Score Calculator

Calculate Flesch Reading Ease and Flesch-Kincaid Grade Level to optimize for user engagement.

Launch Tool → 100% Free

Content & Text

Word & Sentence Counter

Accurately count words, characters, sentences, paragraphs, and estimate reading/speaking times.

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Content & Text

Character Counter & Limits

Inspect exact character and byte counts against search snippet, social post, and ad character limits.

Launch Tool → 100% Free

Technical & Code

HTML Tag & Syntax Checker

Detect unclosed HTML tags, improper tag nesting, and unescaped entities in your markup.

Launch Tool → 100% Free

Content & Text

Website Content Analyzer

Evaluate lexical diversity, vocabulary richness, sentiment tone, and content depth.

Launch Tool → 100% Free

Content & Text

Image Alt Text Generator

Generate concise, accessible, keyword-aligned image alt attributes for Google Image search SEO.

Launch Tool → 100% Free

Links & URLs

Keyword Permutation Generator

Generate broad, phrase, and exact keyword variations by combining search intents, locations, and targets.

Launch Tool → 100% Free