100% Free

88 Free SEO Tools

The largest free SEO toolkit. AI audits, content generators, technical checks, social media helpers β€” no credit card, no signup required.

88
Free Tools
10k+
Audits completed
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All Tools

89 tools

AI + SEO Audit

Dual audit: Google SEO score + AI visibility on Perplexity, ChatGPT, Google AI. AI-generated fixes included.

GMB Audit Tool

Analyze your Google Business Profile and get an instant optimization score with actionable recommendations.

Competitor Finder

Discover your top competitors in seconds using AI-powered analysis of your website and market.

SERP Analyzer

Analyze Google search results to understand ranking factors and SERP features.

Content Gap Analyzer

Find content opportunities competitors have that you're missing.

Broken Link Checker

Find and fix broken links on your website to improve SEO and user experience.

Meta Tag Analyzer

Analyze all meta tags on any page β€” SEO, Open Graph, Twitter Cards, and technical tags.

XML Sitemap Analyzer

Fetch and analyze your XML sitemap for URL count, lastmod dates, issues, and more.

Page Speed Checker

Test your website speed with Google Lighthouse. Performance scores, Core Web Vitals, and optimization tips.

Noindex Checker

Check if a page can be indexed by Google. Detects noindex tags, robots.txt blocks, and more.

Redirect Chain Checker

Trace every redirect hop (301, 302, 307, 308, meta refresh) in a URL chain.

Security Headers Checker

Analyze your website's HTTP security headers and get a score with recommendations.

Keyword Rank Checker

Check where any URL ranks for a keyword on Google.

Domain Authority Checker

Check any domain's authority score and backlink profile instantly.

Backlink Checker

Analyze any domain's backlink profile. See top backlinks sorted by authority.

Keyword Density Checker

Analyze keyword frequency and density in your content instantly.

Cannibalization Checker

Detect keyword cannibalization issues that hurt your SEO rankings.

Color Contrast Checker

Check WCAG AA/AAA compliance of foreground/background colors.

AI Content Detector

Detect AI-generated content and get actionable tips to humanize your text.

AI Text Humanizer

Make AI-generated text sound more natural and human. No AI used.

AI Visibility Score

Get your AI visibility score across ChatGPT, Perplexity, Claude, and Google Gemini.

AI Reputation Report

See what ChatGPT, Perplexity, and Google AI actually say about your brand β€” 7 dimensions scored with verbatim quotes.

AI Crawlability Checker

Test if AI bots can properly crawl and understand your website content.

AEO Readiness Score

Measure how ready your content is for Answer Engine Optimization.

Robots.txt AI Bot Checker

Check which AI crawlers are blocked or allowed by your robots.txt file.

llms.txt Generator

Generate an llms.txt file to help AI models understand your website.

Real vs AI Detector

Compare real and AI-generated content side by side.

GEO Content Audit

Audit your content for Generative Engine Optimization and AI citability.

AI Keyword Generator

Generate keyword ideas with AI-powered analysis of search intent and difficulty.

Search Intent Analyzer

Understand the search intent behind any keyword to create better content.

Keyword List Merger

Combine multiple keyword lists into every possible permutation.

Content Brief Generator

Create comprehensive SEO content briefs with AI-powered recommendations.

Blog Outline Generator

Generate structured blog outlines with H2s, H3s, and key points. AI-powered.

Blog Title Generator

Generate catchy blog title ideas from any topic. 15 headlines per generation.

Introduction Generator

Generate engaging introductions with hooks for any topic.

Conclusion Generator

Generate compelling conclusions for blog posts, essays, reports.

Paragraph Rewriter

Rewrite any paragraph in 5 tones: Professional, Casual, Academic, Simple, or Creative.

Sentence Rewriter

Rewrite any sentence in 5 styles: Formal, Casual, Concise, Engaging, or Academic.

Hook Generator

Generate 10 attention-grabbing opening hooks for any content.

FAQ Generator

Generate FAQ questions and answers. Export as JSON-LD schema for SEO.

About Page Generator

Generate compelling About pages with AI. Company story, mission, team, values.

Content Calendar Generator

Generate a 4-week content calendar for any niche and platforms.

Text Summarizer

Summarize long articles into key bullet points or short paragraphs.

Headline Analyzer

Score your blog titles and headlines for SEO and click-through performance.

Readability Analyzer

Analyze your content readability with Flesch scores and recommendations.

Grammar Checker

Check grammar, spelling, and punctuation errors instantly with AI.

Word Counter

Count words, characters, sentences, and paragraphs with reading time and readability score.

Alt Text Generator

Generate SEO-optimized alt text for images. Describe your image and get 5 suggestions with SEO scores.

Schema Markup Generator

Generate valid JSON-LD structured data for better search visibility.

Hreflang Tag Generator

Generate correct hreflang tags for multilingual websites.

Robots.txt Generator

Generate a robots.txt file with custom rules for search engines and AI bots.

.htaccess Generator

Generate .htaccess rules for redirects, security, caching, gzip.

URL Slug Generator

Convert any text into a clean, SEO-friendly URL slug with transliteration and stop word removal.

UTM Builder

Generate UTM-tagged URLs for Google Analytics campaign tracking.

SEO Cost Calculator

Estimate your monthly SEO budget based on industry and competition.

SEO ROI Calculator

Estimate your SEO return on investment based on traffic and conversion.

Instagram Caption Generator

Generate engaging Instagram captions with hooks, CTAs, and hashtags.

Instagram Hashtag Generator

Generate 30 Instagram hashtags mixed across popular, medium, and niche.

LinkedIn Post Generator

Generate professional LinkedIn posts with hooks, body, CTAs.

Twitter Thread Generator

Generate viral Twitter/X threads with hooks and CTAs.

TikTok Caption Generator

Generate viral TikTok captions with hooks and trending hashtags.

Social Media Bio Generator

Generate 8 bio variations for Instagram, TikTok, Twitter, LinkedIn.

Social Media Post Generator

Generate ready-to-use posts for LinkedIn, Twitter/X, Instagram, and Facebook.

Facebook Ad Copy Generator

Generate 5 Facebook ad copy variations with headline, text, CTA.

YouTube Description Generator

Generate SEO-optimized YouTube video descriptions with timestamps.

YouTube Tag Generator

Generate 25 relevant YouTube tags for maximum discoverability.

YouTube Title Generator

Generate 15 click-worthy YouTube video titles.

Business Name Generator

Generate 15 creative business name ideas with taglines.

Domain Name Generator

Generate 15 creative domain name ideas with .com, .io, .ai suggestions.

Product Name Generator

Generate 12 creative product name ideas with taglines.

Product Description Generator

Generate compelling SEO-optimized product descriptions for e-commerce.

Slogan Generator

Generate 10 catchy slogans and taglines for any business.

Value Proposition Generator

Generate 5 value propositions using different proven frameworks.

Landing Page Copy Generator

Generate complete landing page copy: hero, features, CTA, social proof.

CTA Generator

Generate high-converting call-to-action copy for buttons, banners, popups.

Google Ads Generator

Generate 5 Google Ads copy variations within character limits.

Cold Email Generator

Generate personalized cold outreach emails with subject, body, and CTA.

Review Response Generator

Generate professional responses to 1-5 star customer reviews.

Email Subject Line Generator

Generate 15+ email subject line ideas from any topic. Pick type and tone.

Email Signature Generator

Create professional HTML email signatures with 4 template styles.

Email Spam Checker

Check email content for spam trigger words and deliverability issues.

Privacy Policy Generator

Generate GDPR/CCPA compliant privacy policies from your business details.

Terms of Service Generator

Generate professional Terms of Service for SaaS, e-commerce, blog, marketplace.

Website Screenshot Tool

Capture full-page screenshots in Desktop, Tablet, and Mobile viewports.

JSON Formatter

Format, validate, and beautify JSON. Tree view, syntax highlighting.

CSS Minifier

Minify CSS to reduce file size. Remove whitespace, comments, and more.

HTML Minifier

Minify HTML by removing comments, whitespace, and redundant attributes.

Markdown to HTML Converter

Convert Markdown to HTML with real-time preview.

Regex Tester

Test regular expressions with real-time match highlighting and presets.

Why RobotSpeed

Looking for free SEO tools that actually deliver results? RobotSpeed offers 88 professional SEO, AI, and marketing tools β€” the largest free suite on the market. AI visibility audits (ChatGPT, Perplexity, Claude, Gemini), content generators (titles, outlines, product descriptions, landing page copy), technical audits (Core Web Vitals, schema, sitemap, redirects), social media tools (Instagram, TikTok, LinkedIn, YouTube, Twitter), business generators (names, slogans, value propositions), legal tools (GDPR, ToS), and developer utilities (JSON, Regex, Minifiers). Unlike expensive SEO suites like Semrush or Ahrefs ($100-400/month), everything is free with no signup required. Whether you're optimizing your own site, managing clients, or launching a new project, these tools give you everything you need to outrank the competition.

Why Use Our Free SEO Tools?

Lightning Fast

Get results in under 30 seconds. No waiting, no queues.

Accurate Data

Real-time data from Google for reliable insights.

Actionable Results

Clear recommendations you can implement today.

How It Works

1

Choose a Tool

Pick the SEO tool that fits your needs.

2

Enter Your Data

Provide your website URL or business name.

3

Get Analysis

Our AI analyzes your data in real-time.

4

Take Action

Implement recommendations to improve SEO.

Frequently Asked Questions

Are these tools really free?+
Yes, 100% free with no hidden costs. We offer these tools to help businesses improve their SEO while showcasing what RobotSpeed can do.
Do I need to create an account?+
No signup required. Just visit the tool page and start using it immediately.
How accurate are the results?+
Our tools use real-time data from Google and AI-powered analysis to provide accurate, actionable insights.
Can I use these tools for my clients?+
Absolutely! Marketing agencies and SEO consultants often use our tools for client audits and prospecting.
How often can I use these free SEO tools?+
Unlimited! There are no daily limits or usage caps. Run as many audits and analyses as you need for your business or clients.
How do these tools compare to Semrush or Ahrefs?+
While Semrush and Ahrefs offer comprehensive SEO suites ($100-400/month), our free tools focus on specific high-value tasks: GMB optimization and competitor discovery. For these use cases, our tools match or exceed paid alternatives.
What data do you collect?+
We only collect anonymized usage statistics to improve our tools. We never store personal data, business information, or sell any data to third parties. Your audits are private.
Can I export or share the results?+
Yes! Each audit generates a unique shareable URL. You can share results with clients, team members, or save them for future reference.

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88 Free SEO Tools β€” AI Audit & Content | RobotSpeed