Free SEO Tools for Content & Technical SEO
Headline analyzer, readability checker, keyword density, meta title checker, SERP preview, URL slug optimizer, and more. No signup, 100% client-side — use in your browser instantly.
AI-Powered Tools
Generate comprehensive, SEO-optimized article outlines for any topic. Create structured content plans that help you write better articles faster.
Use toolBlog Ideas GeneratorGenerate creative and engaging blog post ideas for any topic. Get inspiration for how-to guides, listicles, reviews, and more content types.
Use toolSite AnalysisGet instant insights about your website's SEO performance. Analyze keywords, meta tags, content structure, and make data-driven decisions.
Use toolContent & Headlines
Score headlines by length, power words, sentiment, numbers, and questions. Improve CTR with data-driven headline tips.
Use toolReadability CheckerFlesch-Kincaid, Gunning Fog, syllable count, and grade level on pasted text. Make content accessible to your audience.
Use toolKeyword Density CheckerWord frequency table and percentage density for pasted content. Classic evergreen SEO utility.
Use toolWord & Content StatisticsWords, characters, sentences, average sentence length, heading count, and paragraph density. Universal content stats.
Use toolImage Alt Text Length & Quality HelperCheck alt text length, get keyword reminders, and suggested structure. Accessibility and SEO in one tool.
Use toolImage Filename & Alt Suggestion ToolFrom product or title input, get SEO-friendly filename and alt text suggestions. E-commerce and blog friendly.
Use toolPassive Voice DetectorScan text for passive constructions and get active-voice rewrite suggestions. Improve SEO writing clarity.
Use toolTransition Words CheckerCount transition words and phrases in your content. Improve content flow and SEO readability.
Use toolRead Time EstimatorCalculate estimated reading time from word count. Optimize content length for your audience.
Use toolSEO Content Score CalculatorAll-in-one content analyzer: readability, density, length, headings. Get a single SEO score and breakdown.
Use toolLong-Tail Keyword SuggesterExpand a seed keyword into long-tail phrases and voice-search questions. Free keyword expander.
Use toolSearch Intent ClassifierClassify keyword intent: informational, navigational, transactional. Match content to user queries.
Use toolVoice Search Query OptimizerTurn keywords into natural question phrasings. Optimize for Alexa, Siri, and voice search.
Use toolE-E-A-T Heuristic ScorerScore content on Experience, Expertise, Authority, Trust. YMYL and E-E-A-T content optimizer.
Use toolMeta & SERP
Pixel-width approximation, character count, and emoji warning. Used constantly before publishing.
Use toolGoogle SERP Preview SimulatorLive preview of title, meta, and URL in a styled Google result box. High share rate and impressive visuals.
Use toolMeta Description GeneratorGenerate click-worthy meta descriptions from topic or keyword. SEO meta desc tool with templates.
Use toolTechnical SEO
Basic syntax check and simulated allow/disallow logic. Respected by technical SEOs.
Use toolMeta Robots / Noindex DetectorParse pasted HTML head and see robots directives. Quick debug tool.
Use toolCanonical Tag CheckerDetect canonical in pasted HTML head and warn on common issues. Common pain point solver.
Use toolBasic JSON-LD Schema ValidatorParse JSON-LD and check required fields for Article, FAQ, Product, and more. Growing importance with AI Overviews.
Use toolHeading Structure / Outline ExtractorParse pasted HTML and show heading hierarchy tree. Diagnose content structure.
Use toolMobile-Friendliness HeuristicCheck viewport meta, font-size mentions, and media queries in pasted HTML/CSS. Quick mobile check.
Use toolBroken Internal Link Syntax CheckerScan pasted HTML anchors and flag malformed hrefs. No real fetch, syntax only.
Use toolBasic Redirect Chain ParserParse meta refresh or JS redirect code and visualize the theoretical chain. Niche but useful.
Use toolAnchor Text OptimizerAnalyze anchor text diversity and over-optimization. Link building best practices and penalty avoidance.
Use toolInternal Link Density CheckerCount internal links in pasted HTML and check link density. Improve site architecture and crawlability.
Use toolFAQ Schema GeneratorBuild FAQPage JSON-LD from Q&A pairs. Free FAQ schema for Google rich snippets.
Use toolBreadcrumb Schema GeneratorGenerate BreadcrumbList JSON-LD from your page hierarchy. SEO navigation markup for better UX.
Use toolHreflang Tag GeneratorCreate hreflang tags for multilingual pages. International SEO and country/language targeting.
Use toolCanonical URL SuggesterPaste URLs and get canonical suggestions. Fix duplicate content and consolidate signals.
Use toolSitemap XML Generator (Basic)Generate a basic XML sitemap from a list of URLs. Submit to Google Search Console.
Use toolHTML Validator (Basic)Check pasted HTML for common errors: unclosed tags, nesting. Clean code for SEO.
Use toolRobots.txt GeneratorCreate a robots.txt from common directives. Block or allow bots with a simple form.
Use toolUtilities
Clean a title into a keyword-rich, hyphenated slug suggestion. Quick, high repeat usage.
Use toolInternal Link Anchor Text SuggesterExtract noun phrases and entities from text and suggest possible anchor text. On-page SEO audits.
Use toolDuplicate Content Quick CheckerShingle or cosine similarity between two pasted texts. Valuable for writers checking overlap.
Use toolKeyword Gap ToolCompare two pasted keyword lists and see uniques and overlaps. Basic keyword gap analysis.
Use toolEntity ExtractorExtract and classify entities (people, places, orgs) from text. Topic modeling and E-E-A-T helper.
Use toolKeyword Clustering (Basic)Group keywords by similarity. Build topic clusters for SEO and export to CSV.
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