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Free SEO and marketing tools

A growing library of free tools for SEO, GEO and marketing teams. No account, no card and nothing gated.
Free tools

More than 100 free tools, each doing one job.

Check AI crawler access, validate schema, trace redirects, plan content, build tracking links and work out the numbers behind a campaign. Every tool is free, with no account.
105 tools
Free · no account

SEORCE for Chrome, Edge and Firefox

Audits the page you are on: headings, meta tags, schema, indexability, and whether AI crawlers can read it. Export the result as a PDF. Free, with no account.

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It audits one page at a time and does not track AI answers. About the extension

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AI Visibility & GEO

8 tools
AI Crawler CheckEnter a domain. See which AI crawlers its robots.txt allows or blocks, bot by bot.New AI Crawler Robots.txt GeneratorAllow or block GPTBot, OAI-SearchBot, ClaudeBot, PerplexityBot and Google-Extended, bot by bot.Free llms.txt GeneratorBuild an llms.txt file for your site. An optional proposal, not a standard.Free AI Tell DetectorFind the patterns that make a draft read as machine-written, from em-dashes to filler words.Free AI Crawler Log AnalyserUpload server logs. See which AI bots visit your site, how often, and what they crawl.Free GEO-Friendly Content CheckerPaste a draft. Score how well it is built to be cited in AI answers.Free Entity SEO AnalyserAudit any brand's Wikidata + Wikipedia presence. Entity-readiness score for LLM citation.Free Content Freshness AuditAudit sitemap lastmod + HTTP + schema dateModified. Flags stale content for AI engines.Free

Technical SEO

33 tools
Hreflang Generator & ValidatorBuild hreflang tags from URLs you enter, with ISO codes and return links checked.Free Redirect Map GeneratorUpload old + new URLs. Generate 301 map for site migrations.Free Schema Markup ValidatorValidate any JSON-LD against schema.org and Google rich result requirements.Free Sitemap Indexability CheckerFetch a sitemap and check that every URL in it can be indexed.Free Robots.txt + Sitemap Conflict CheckerFind URLs in your sitemap that your robots.txt blocks.Free Bulk Canonical AuditAudit canonical tags across hundreds of URLs.Free Soft 404 DetectorFind pages that return 200 status but behave like 404s.Free Server Log AnalyserUpload server logs. Analyse crawl budget, bot behaviour, status distribution.Free Robots.txt GeneratorBuild a complete robots.txt with enterprise presets for Shopify, WordPress, Magento, headless, SaaS.Free XML Sitemap GeneratorBuild a valid sitemap.xml from a URL list. Handles 50k+ URLs with sitemap-index.Free URL Slug GeneratorConvert titles to clean slugs. Handles Cyrillic, Arabic, Devanagari, Chinese and more.Free .htaccess Redirect GeneratorApache redirect rules with 301/302/307 support, HTTPS and www canonicalisation.Free Nginx Redirect GeneratorNginx server-block redirects with regex rewrites and canonicalisation.Free Bulk HTTP Status Code CheckerCheck status codes for up to 500 URLs at once. Response times, redirects, server headers.Free Redirect Chain TracerFollow a URL through every hop to its final page. Loops and long chains flagged.Free Mixed Content CheckerFind scripts, styles, images, iframes still loaded over http:// on an https:// page.Free Image Alt Text AuditFind missing and empty alt attributes. Essential for image SEO and WCAG compliance.Free Open Graph & Social Card PreviewPreview how your page looks on Facebook, Twitter/X, LinkedIn, Slack, Discord, WhatsApp.Free DNS Lookup ToolQuery A, AAAA, CNAME, TXT, MX, NS, CAA records. Via Cloudflare DNS-over-HTTPS.Free SSL Certificate CheckerCheck any domain SSL expiry, issuer, and SAN entries via Certificate Transparency logs.Free JSON Formatter & ValidatorFormat, minify, validate, escape JSON. Exact error location on parse failure.Free Regex TesterTest regex with live match highlighting, groups, and replace output.Free URL + Base64 + HTML EncoderEncode or decode across URL, Base64, HTML entities, Unicode, hex formats.Free Cloudflare Rules GeneratorBulk Redirects CSV and Transform Rule expressions. Up to 100k rules per list.Free Cron Expression BuilderBuild and explain cron expressions. Next 5 run times for any pattern.Free HTML / CSS / JS MinifierMinify or beautify with live byte-savings calculation.Free JSON-LD Pretty PrinterFormat schema markup, auto-wrap in script tag, detect type.Free GSC Export AnalyserUpload GSC performance CSV. Position buckets, striking distance, CTR vs expected, cannibalisation.Free 404 Pattern AnalyserPaste 404 URL list. Finds patterns to collapse into mass redirect rules.Free Pagination AuditCrawl paginated series. Checks canonical, noindex, rel=next, crawl traps.Free Internal Link ExtractorPull every internal link with anchor text, location, nofollow flags. Export CSV.Free IndexNow Payload GeneratorBuild JSON payloads to push URLs to Bing, Yandex, Naver, Seznam. Curl commands included.Free Robots.txt Diff TrackerFetch live robots.txt + compare to baseline. Flags breaking changes.Free

Schema Generators

11 tools
FAQ Schema GeneratorBuild Google-rich-snippet-ready FAQPage JSON-LD with live validation.Free Product Schema GeneratorBuild Product JSON-LD with offers, aggregateRating, brand, GTIN, SKU.Free Article Schema GeneratorBuild Article JSON-LD for blog posts, news, and long-form content.Free HowTo Schema GeneratorBuild HowTo JSON-LD for step-by-step content.Free LocalBusiness Schema GeneratorBuild LocalBusiness JSON-LD for physical locations.Free Event Schema GeneratorBuild Event JSON-LD for concerts, conferences, webinars.Free Review Schema GeneratorBuild Review JSON-LD with reviewRating and author.Free JobPosting Schema GeneratorBuild JobPosting JSON-LD. Required for Google for Jobs.Free VideoObject Schema GeneratorBuild VideoObject JSON-LD. Qualifies for the video carousel.Free Organization Schema GeneratorBuild Organization JSON-LD. Powers the knowledge panel.Free BreadcrumbList Schema GeneratorReplace long URLs in SERPs with a clean breadcrumb trail.Free

Content & Writing

9 tools
Content Brief GeneratorBuild a brief from the pages that rank for a keyword: common topics, headings and gaps.Free Readability Score AnalyserFlesch, Gunning Fog, SMOG, FKGL, Dale-Chall, ARI, Coleman-Liau.Free Headline AnalyserScore blog titles, email subjects, ad headlines on length, power words, format.Free Keyword Density Analyser1-word, 2-word, 3-word phrase frequency with target keyword density tracking.Free Case ConverterConvert between UPPERCASE, lowercase, Title, camelCase, snake_case, kebab-case.Free Passive Voice DetectorHighlight every passive construction and score the ratio of passive to active.Free Em-Dash & AI Pattern RemoverRemove em-dashes, "not X, it's Y" lines, filler phrases and hollow conclusions from pasted text.Free Markdown ↔ HTML ConverterConvert Markdown to clean HTML or back. Supports tables, task lists, code blocks.Free Text Diff CheckerSide-by-side comparison with added, removed, and modified line highlighting.Free

PPC & Measurement

29 tools
Responsive Search Ad Preview15 headlines + 4 descriptions with live char counts and SERP preview.Free UTM Builder with TemplatesSaved templates, bulk CSV generation, lowercase enforcement.Free ROAS & Break-Even CalculatorROAS, break-even ROAS, max CPC from margin, target CPA, CPM/CPC/CPA converter.Free Match Type FormatterConvert keyword lists to broad, phrase, exact, or negative match syntax.Free Negative Keyword DeduplicatorClean up overlapping negative lists. Removes entries a broader negative already covers.Free Search Terms n-Gram AnalyserFind word patterns driving spend and conversions.Free UTM Governance ValidatorDefine your UTM taxonomy once. Validate every link against it.Free Attribution Model ComparisonCompare last-click, linear, time-decay, position-based side by side.Free GA4 Event GeneratorBuild GA4 event tracking code with correct ecommerce nesting.Free Consent Mode v2 GeneratorGoogle Consent Mode v2 code: required for EEA + UK traffic.Free GTM dataLayer GeneratorBuild dataLayer push code for any custom event with type correctness.Free GA4 Measurement Protocol BuilderServer-side GA4 events: cURL, Node, Python, PHP snippets.Free A/B Test Significance CalculatorFrequentist + Bayesian results, plus "call it or keep running" verdict.Free Sample Size / MDE CalculatorVisitors needed per variant, or smallest lift detectable given traffic.Free SPF Record Generator & CheckerBuild and verify SPF records. Flags more-than-10-lookup issue and multiple-record errors.Free DMARC Record Generator & CheckerRequired by Google and Yahoo for 5k+ emails/day senders. Rollout plan included.Free DKIM Record Builder & CheckerBuild the TXT record from your ESP public key. Check existing DKIM for any selector.Free Email Subject Line TesterSee where Gmail, Outlook, iOS Mail, Yahoo, Apple Watch each truncate your subject.Free Spam Trigger Word CheckerScan subject + body for Promotions-folder triggers. Three severity levels.Free MX Record CheckerIdentify the mail provider (Google, Microsoft, Zoho, etc.) from any domain.Free Email Blacklist CheckerCheck IP or domain against 12 major blacklists: Spamhaus, Spamcop, Barracuda.Free Email HTML to Inline CSSInline style blocks for Outlook / Gmail Promotions compatibility.Free Incrementality Test CalculatorTrue causal lift of a channel from a geo or user holdout: iROAS included.Free BigQuery GA4 Query Library14 ready-to-run SQL queries for GA4 export data. Users, sessions, funnels, cohorts.Free Cross-Domain TrackingBuild GA4 linker config for gtag or GTM. Verify _gl params on existing URLs.Free GA4 Export AnalyserUpload GA4 explorer CSV. Channel mix, HHI concentration, efficiency by source.Free Pixel & Tag AuditAudit any public page. Detects 30 analytics + ad pixels (GA4, Meta, LinkedIn, TikTok, Clarity).Free Looker Studio Templates IndexCurated list of free Looker Studio templates for GA4, GSC, Ads, Meta, multi-source.Free Marketing Mix AllocatorDiminishing-returns budget optimiser across channels. Max conversions or revenue.Free

Ops, Agency & Compliance

9 tools
GDPR Article 30 ROPA GeneratorBuild a Record of Processing Activities with pre-built presets for the common marketing stack.Free DPIA Template GeneratorGDPR Article 35 Data Protection Impact Assessment with risk scoring (likelihood × severity).Free MarTech Vendor Risk Assessment42-question SIG Lite + CAIQ scorecard across security, privacy, residency, continuity, incident response.Free SOC 2 Marketing Readiness42 Trust Services Criteria controls specific to the marketing team's SOC 2 scope.Free Google Ads MCC Audit Checklist60-point weighted audit across structure, keywords, bidding, QS, Shopping, reporting.Free Agency SOW GeneratorStatement of Work builder with 6 engagement presets. Exports as Markdown or print-ready HTML.Free Agency Retainer PricingPrice retainers from fundamentals: hours, blended rate, overhead, margin, utilisation.Free Client Onboarding Checklist60-item onboarding checklist across access, contacts, legal, baselines, governance.Free Multi-Client Reporting TemplateBuild reusable monthly report templates. Section library, KPI blocks, HTML export.Free

SaaS Metrics

6 tools
CAC / LTV / LTV:CAC CalculatorUnit economics with fully-loaded CAC and gross-margin-adjusted LTV. Benchmark verdict.Free Churn Rate CalculatorCustomer, revenue (gross + net), and logo churn. Monthly, quarterly, annual.Free NRR / GRR CalculatorNet + Gross Revenue Retention with the full cohort flow and public SaaS benchmarks.Free Rule of 40 CalculatorGrowth + margin ≥ 40. Standard and weighted variants. Peer benchmarks.Free CAC Payback PeriodMonths to recoup CAC from gross-margin-adjusted revenue. 24-month recovery chart.Free Cohort Retention AnalyserPaste CSV. Get a retention heatmap, average curve, floor, and verdict.Free
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The whole job of search and AI, in one platform.
AI Beacon tracks your brand across ChatGPT, Gemini, Perplexity, Copilot, Grok, DeepSeek, Llama, plus Google AI Overview, AI Mode and Search. AutoFix applies technical fixes to live sites. Content Studio writes in your brand voice.
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How the free tools work

SEORCE builds an AI-native platform for SEO and GEO. These tools are free for anyone to use, and each one shows a small part of how the platform thinks.
1
Free, with no sign-up
Every tool is free to use. No account, no card and no trial that turns into a paid plan.
2
One job each
Each tool does one job, on a URL, a file or text you paste. None of them tracks AI answers. That is what the SEORCE platform is for.
3
Most run in your browser
Logs, CSV files and schema you paste stay on your machine. Tools that fetch a URL do it through our Worker and don't store what you check.
Built by the team at SEORCE. All tools are free and run without sign-up.