SEO Forge
A hand-engineered SEO suite: 130+ checks, generators and pixel-accurate previews — 100% in-browser, no AI, no third-party APIs. 12 free, in-browser content & media tools — no signup, no upload.
SEO Audit Pro
Paste HTML or fetch a live URL and get a unified 85-check audit — on-page, technical, content, links, images, structured data and security — with weighted scores, a fix-first list and JSON/CSV/Markdown export.
OpenSERP & Social Preview
Pixel-accurate Google SERP preview (desktop + mobile, canvas-measured Arial with query bolding) plus Facebook, X, LinkedIn, WhatsApp and Discord card mockups.
OpenMeta Tags Studio
Build a complete, correct <head>: title and description with live character + pixel meters, canonical, robots directives, Open Graph and Twitter cards — copy one clean block.
OpenKeyword Density & N-Grams
Exact keyword density, a placement matrix (title, H1, first 100 words, URL, alts), keyword proximity, 1–4-gram tables and top-word analysis — computed, not guessed.
OpenReadability Scorer
All seven readability formulas — Flesch, Flesch–Kincaid, Gunning Fog, SMOG, Coleman–Liau, ARI, Dale–Chall — computed from first principles with per-sentence highlighting.
OpenRobots.txt Studio
Generate robots.txt with AI-crawler policy presets (GPTBot, ClaudeBot, CCBot…) and test any URL against any file with RFC 9309 longest-match semantics — winning line highlighted.
OpenXML Sitemap Studio
Generate, validate, count and split XML sitemaps against the full protocol: namespace, absolute ≤2,048-char URLs, W3C dates, 50k/50MB limits, freshness histogram and index files.
OpenSchema Markup Studio
Generate valid JSON-LD for 13 types — Article, Product, FAQ, LocalBusiness, Event, Recipe, Breadcrumb and more — and validate any markup against bundled type profiles.
OpenSecurity Headers Grader
Paste response headers (curl -I) or fetch live and get an OWASP-aligned grade: HSTS, CSP, nosniff, clickjacking, Referrer-Policy, Permissions-Policy, cookies and more.
OpenHreflang Tag Generator
Build a reciprocal hreflang set from a URL × locale grid and export all three formats: link tags, HTTP headers and sitemap xhtml:link blocks — with BCP-47 and x-default validation.
OpenRedirect Rules Generator
Turn from → to pairs into ready .htaccess, Nginx, Next.js and Cloudflare _redirects rules — with chain and loop detection across the whole set.
Openllms.txt Generator
Create a spec-correct llms.txt — H1, blockquote summary, curated Markdown link sections — plus an AI-crawler robots.txt policy from the bundled user-agent registry.
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