41 free, browser-based SEO & GEO tools. Static site — no backend, no tracking, nothing to break.
Live: https://seoprocheck.github.io
- Schema Markup Generator — Generate valid JSON-LD schema markup for Articles, Products, Local Business and more.
- FAQ Schema Generator — Build FAQPage JSON-LD from your questions and answers in seconds.
- HowTo Schema Generator — Create HowTo structured data with ordered steps, ready to paste.
- Breadcrumb Schema Generator — Generate BreadcrumbList JSON-LD for cleaner SERP breadcrumbs.
- Video Schema Generator — Produce VideoObject schema so your videos qualify for rich results.
- Event Schema Generator — Generate Event schema with dates, venue and ticket info.
- AI Crawler Checker — Check whether AI crawlers (GPTBot, ClaudeBot, PerplexityBot…) can access your site.
- LLMs.txt Generator — Generate an llms.txt file to guide AI models around your site.
- Citation Formatter — Format citations cleanly for reference and E-E-A-T signals.
- Entity Clarity Checker — Check how clearly your content defines its core entities.
- AI Content Readiness Checker — AI Content Readiness Checker — a free SEO ProCheck tool.
- Robots.txt Generator — Generate a correct robots.txt with crawl rules and sitemap.
- Hreflang Tag Generator — Generate hreflang tags for multi-language / multi-region pages.
- Canonical Tag Generator — Create canonical link tags to prevent duplicate-content issues.
- Meta Robots Tag Generator — Build meta robots directives (index/follow, max-snippet…).
- XML Sitemap Generator — Generate an XML sitemap from your list of URLs.
- Htaccess Redirect Generator — Build .htaccess 301/302 redirect rules.
- Redirect Chain Checker — Trace redirect chains and spot wasteful hops.
- HTTP Header Checker — Inspect a URL's HTTP response headers.
- SERP Preview Tool — Preview how your page looks in Google search results.
- Word Counter — Count words, characters, sentences and reading time.
- Keyword Density Checker — Measure keyword density and spot over-optimization.
- Heading Structure Analyzer — Analyze your H1–H6 structure for hierarchy issues.
- Reading Level Checker — Assess readability / reading grade level of your text.
- Content Gap Finder — Spot topical gaps against target keywords.
- Open Graph Generator — Build Open Graph tags for rich social sharing.
- Twitter Card Generator — Generate Twitter/X Card markup.
- Meta Tags Generator — Generate title, description and meta tags for any page.
- Social Media Preview — Preview how your link renders across social platforms.
- Google Review Link Generator — Create a direct Google review link for your business.
- NAP Consistency Checker — Check Name/Address/Phone consistency for local SEO.
- Local Business Schema Generator — Build LocalBusiness schema with NAP, hours and geo data.
- Base64 Encoder/Decoder — Encode or decode Base64 strings.
- URL Encoder/Decoder — Encode or decode URLs safely.
- URL Slug Generator — Turn any title into a clean, SEO-friendly URL slug.
- Lorem Ipsum Generator — Generate placeholder text for mockups.
- Timestamp Converter — Convert between Unix timestamps and human dates.
- JSON Validator & Formatter — Validate and format JSON.
- UTM Parameter Builder — Build UTM-tagged campaign URLs for analytics.
- HTML Entity Converter — Convert characters to/from HTML entities.
- Regex Tester — Test regular expressions against sample text live.