Free SEO Tools

A growing collection of free SEO tools to help you with keyword research, on-page SEO, content writing, technical audits, and AI search visibility and more.

SEO Tools. Generators and checkers for everyday on-page work.

URL Slug Generator

Convert any title or phrase into a clean, SEO-friendly URL slug with lowercase formatting and hyphen separation.

Robots.txt Generator

Create a valid robots.txt file to control which pages Google and Bing can crawl and index on your site.

SEO Checklist

Work through a step-by-step SEO checklist covering technical, on-page, content, and link building essentials.

SERP Preview Tool

See exactly how your title tag and meta description appear in Google search results before you publish.

Meta Tag Generator

Generate complete HTML meta tags for any webpage including title, description, Open Graph, and Twitter Card tags.

Character Count Checker

Count characters and words in any text to stay within meta tag, ad copy, and social media character limits.

Schema Markup Generator

Generate JSON-LD structured data markup for any page type and earn rich result snippets in Google search results.

Word Counter

Count words, characters, sentences, and paragraphs in any text. Ideal for checking article length, meta tags, and ad copy.

Keyword Generator

Find thousands of keyword ideas for any topic or seed term with search volume estimates and related keyword clusters.

UTM Builder

Build trackable campaign URLs by adding UTM parameters for source, medium, campaign, term, and content.

Meta Description Length Checker

Check any meta description against Google's character and pixel limits with a live SERP preview.

FAQ Schema Generator

Create valid JSON-LD FAQ schema markup from question-and-answer pairs to earn rich results in Google.

Keyword Clustering Tool

Group a list of keywords into semantic topic clusters to plan content structure and identify primary targets.

Analysis. Live data on keywords, rankings, traffic and links.

XML Sitemap Validator

Validate your XML sitemap for syntax errors, broken URLs, and missing pages that could prevent proper Google indexing.

Canonical Tag Checker

Check any URL for canonical tag issues that cause duplicate content problems and dilute your page's search ranking signals.

Keyword Density Checker

Measure keyword frequency in any content and identify over-optimization or under-usage before publishing to search engines.

Open Graph Checker

Inspect any URL's Open Graph tags, meta description, and Twitter Card data to verify correct social previews and SEO output.

Heading Tag Checker

Audit the H1 through H6 heading structure on any webpage to find hierarchy issues, duplicate H1s, and missing tags.

Competitor Keyword Analyzer

Find which keywords your competitors rank for, compare their traffic estimates, and discover content gaps you can target.

Readability Checker

Check your content's readability score and identify complex sentences that hurt engagement and increase bounce rates.

Headline Analyzer

Analyze your headlines for emotional appeal, power words, and SEO strength to improve click-through rates from search results.

Keyword Difficulty Checker

Check how competitive any keyword is and estimate how hard it will be to reach page one of Google search results.

Keyword Rank Checker

Track where your website ranks for any keyword in any country on Google to monitor SEO progress and spot ranking drops.

SERP Checker

Analyze the top 10 ranking pages for any keyword to understand content depth, backlink requirements, and ranking difficulty.

Website Traffic Checker

Estimate monthly organic search traffic for any website or webpage and identify the pages driving the most visits.

Backlink Checker

Analyze any website's backlink profile. See total backlinks, referring domains, dofollow ratio, spam score, and link type distribution.

Domain Rating Checker

Check the Domain Rating (DR) of any website instantly. See how strong a site's backlink profile is on a 0-100 scale.

Broken Link Checker

Scan any webpage for broken outbound links. Find dead links returning 404, 500, or timeout errors that hurt SEO and user experience.

Passive Voice Checker

Detect passive voice sentences in your content and measure the overall passive voice percentage.

Robots.txt Tester

Fetch any website's robots.txt file and check whether specific URL paths are allowed or blocked for crawlers.

Calculators. Quick numbers for planning and reporting.

AI Content. Drafts, outlines and rewrites in seconds.

Meta Description Generator

Generate keyword-rich meta descriptions optimized for CTR and formatted to stay within Google's 155-character display limit.

SEO Title Generator

Create keyword-rich SEO titles for any topic, page, or blog post optimized to rank and attract clicks in search results.

Blog Outline Generator

Generate a structured blog post outline with SEO-ready H2 and H3 sections for any topic or keyword in seconds.

Conclusion Generator

Generate strong, keyword-rich article conclusions that reinforce key points and encourage readers to take action.

AI Headline Generator

Generate attention-grabbing headlines for blogs, ads, and landing pages scored by emotional impact and SEO effectiveness.

Content Brief Generator

Create structured content briefs with keyword targets, headings, and competitor insights to guide writers or AI tools.

Alt Text Generator

Generate descriptive, keyword-rich alt text for any image to improve accessibility and on-page SEO signals simultaneously.

AI Article Summarizer

Condense any article, research paper, or long-form content into a clear, accurate summary in seconds.

Content Idea Generator

Generate blog post ideas and article angles for any niche, organized by format and search intent to fill content gaps.

AI Article Generator

Generate full SEO-optimized articles on any topic with structured headings, keyword integration, and natural readability.

AI Grammar Checker

Check your content for grammar, spelling, and punctuation errors with instant corrections and explanations for each issue.

Paragraph Rewriter

Rephrase any paragraph to sound clearer, more professional, or completely unique while keeping the original meaning intact.

Introduction Generator

Generate compelling article introductions in multiple hook styles, including questions, bold claims, and stories.

Long-Tail Keyword Generator

Generate long-tail keyword variations for any seed term, sorted by informational, commercial, and transactional intent.

Related Keywords Finder

Find synonyms, LSI keywords, and question variations for any topic to expand your content's semantic coverage.

GEO & AI Search. See and improve how AI search engines read your site.

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Grow organic traffic on autopilot. RankPill will research, write, optimize, and publish articles to your website daily.