115 free SEO, AI-Search & dev tools
Every tool runs in your browser. No signup, no data upload, built to survive the ChatGPT era — because Google is no longer the only search engine.
SEO
8 toolsMeta Tag Generator
Generate SEO-perfect title, description, canonical and robots tags in one paste.
Open Graph Generator
Build og:title, og:description, og:image, og:type tags for LinkedIn, Facebook and Slack unfurls.
Twitter / X Card Generator
Generate summary_large_image and player Twitter Card tags with instant preview.
Canonical Tag Generator
Emit a rel=canonical link tag and matching HTTP header string.
Hreflang Tag Generator
Generate reciprocal hreflang tags for every locale, with x-default.
SERP Snippet Preview
See how your page will look on Google desktop, mobile and AI Overviews.
Title Tag Length Checker
Pixel-accurate title width check for Google, Bing and AI Overviews.
Meta Description Length Checker
Validate meta description length for desktop, mobile and social unfurls.
Schema
31 toolsArticle Schema Generator
Generate valid Article / NewsArticle / BlogPosting JSON-LD in seconds.
FAQ Schema Generator
Turn a Q&A block into ready-to-paste FAQPage JSON-LD.
HowTo Schema Generator
Generate step-by-step HowTo JSON-LD with images, time and tools.
Product Schema Generator
Generate Product + Offer + AggregateRating JSON-LD with GTIN, brand and shipping.
LocalBusiness Schema Generator
Generate LocalBusiness JSON-LD with geo, hours, sameAs and services.
Breadcrumb Schema Generator
Emit BreadcrumbList JSON-LD from a slash-separated path.
Event Schema Generator
Generate Event JSON-LD with venue, offers and virtual location.
Recipe Schema Generator
Generate Recipe JSON-LD with nutrition, instructions and video.
Video Schema Generator
Generate VideoObject JSON-LD with clip markers, transcript and thumbnail.
Organization Schema Generator
Generate Organization JSON-LD with logo, sameAs and knowsAbout.
Review Schema Generator
Generate Review + AggregateRating JSON-LD safely, per Google guidelines.
JobPosting Schema Generator
Generate Google Jobs-eligible JobPosting JSON-LD in seconds.
Course Schema Generator
Course JSON-LD for education pages that qualify for Google Course rich results.
Book Schema Generator
Publishers & authors — generate Book / Author JSON-LD.
SoftwareApplication Schema Generator
SaaS & app pages — SoftwareApplication JSON-LD with ratings.
Person Schema Generator
Author / expert Person JSON-LD for E-E-A-T proof.
Service Schema Generator
Agency / consultancy service pages — Service JSON-LD.
Restaurant Schema Generator
Restaurant JSON-LD with cuisine, price range and menu URL.
Real Estate Listing Schema Generator
RealEstateListing JSON-LD for property pages.
Dataset Schema Generator
Google Dataset Search JSON-LD — required for /datasets ranking.
PodcastSeries Schema Generator
PodcastSeries JSON-LD for show homepages.
PodcastEpisode Schema Generator
PodcastEpisode JSON-LD for every episode page.
QAPage Schema Generator
QAPage JSON-LD — for Q&A / community threads, StackOverflow-style.
WebSite Schema Generator (Sitelinks Search Box)
WebSite + SearchAction JSON-LD — unlocks the Google sitelinks searchbox.
CollectionPage Schema Generator
Category / listing pages — CollectionPage + ItemList JSON-LD.
MedicalOrganization Schema Generator
Clinic / hospital MedicalOrganization JSON-LD.
Speakable Schema Generator (Voice / Assistant SEO)
Mark the sentences Google Assistant / voice AI should read aloud.
Brand Schema Generator
Brand JSON-LD — sits inside Product / Organization to reinforce brand entity.
ImageGallery Schema Generator
ImageGallery JSON-LD for portfolios, product galleries and case studies.
SiteNavigation Schema Generator
SiteNavigationElement JSON-LD — declares your primary nav to crawlers.
ClaimReview (Fact-Check) Schema Generator
Fact-checkers — ClaimReview JSON-LD for the Google Fact Check panel.
Content
18 toolsKeyword Density Checker
Analyze keyword density and n-gram frequency with stop-word filtering.
Word & Character Counter
Real-time word, character, sentence and paragraph counter.
Reading Time Calculator
Estimate reading time by audience (fast, average, slow).
Flesch Reading Ease Score
Compute Flesch Reading Ease and Flesch-Kincaid Grade Level.
URL Slug Generator
Turn titles into SEO-clean, transliterated slugs.
Duplicate Content Checker
Compare two texts and get similarity, Jaccard and shingling scores.
Alt Text Suggester
Rule-based alt-text builder: subject, action, context, keyword.
Image Alt-Text Batch Generator
Paste file paths → get <img> markup with filename-derived alt text.
Headline Analyzer
Score headlines on power words, emotion, numbers and length.
Keyword Clusterer
Group a keyword list into topic clusters by shared head-term.
Entity Extractor
Extract proper-noun entities (people, brands, places) from any article.
TF-IDF Analyzer (Simple)
Rank the top 25 terms in a piece of content by frequency.
CTA Copy Tester
Score CTA copy on verb-start, urgency and length.
Markdown TOC Generator
Auto-generate a Markdown table of contents from heading levels.
YouTube Tag Generator
Turn keywords into a 500-char YouTube tag string.
Twitter / X Thread Formatter
Auto-split long text into numbered thread posts.
LinkedIn Post Formatter
Format long-form LinkedIn posts with character counter (3,000 cap).
Reddit Title Tester
Score Reddit titles on length and truncation risk (300 cap).
Technical
21 toolsRobots.txt Generator
Generate a valid robots.txt with rules for Googlebot, Bingbot, GPTBot, ClaudeBot and Perplexity.
Sitemap URL Extractor
Paste XML sitemap → clean list of URLs, one per line.
Responsive srcset Generator
Generate <img srcset> markup for Core Web Vitals-perfect responsive images.
Picture Tag Generator (AVIF / WebP)
Serve AVIF → WebP → JPG fallback with one <picture> block.
Favicon HTML Generator
Generate the full <link> block for favicons, apple-touch-icon and manifest.
site.webmanifest Generator
Generate a valid site.webmanifest for PWAs and Add-to-Home-Screen.
XML Sitemap Generator (from URL list)
Paste URLs → get a valid <urlset> XML sitemap.
RSS Feed Generator
Generate a minimal RSS 2.0 feed skeleton.
.htaccess 301 Redirect Generator
Paste from,to pairs → get an .htaccess redirect block.
nginx 301 Redirect Generator
Paste from,to pairs → get an nginx rewrite block.
WordPress .htaccess Generator (+ AI crawler block)
Standard WP .htaccess + HTTPS force + optional GPTBot / ClaudeBot block.
Security Headers Generator
Generate HSTS, X-Content-Type-Options, CSP, COOP + more.
Content Security Policy Generator
Generate a strict Content-Security-Policy header.
GTM dataLayer Push Generator
Generate dataLayer.push() snippets for GTM events.
GA4 Event Snippet Generator
Generate gtag('event', ...) snippets for GA4 with recommended parameters.
Google Consent Mode v2 Generator
Generate the default consent block required in EU / UK.
Hreflang CSV → HTML
Paste lang,URL rows → clean hreflang <link> block with x-default.
Redirect Map CSV Generator
Standardize from,to,code redirect rows for hand-off to devs.
Core Web Vitals 2026 Checklist
The updated CWV targets (INP replaces FID) with fast fixes.
PageSpeed Action List
Prioritized fix list for the 7 most common PageSpeed failures.
Lazy Loading Attribute Adder
Add loading='lazy' + decoding='async' to every <img> in an HTML paste.
AI Search
11 toolsllms.txt Generator
Generate an llms.txt manifest so LLM crawlers ingest your best pages first.
AI Answer Formatter
Rewrite paragraphs into Q&A blocks LLMs love to cite.
Citation Formatter
Convert a URL + title into ChatGPT-, Perplexity- and Claude-friendly citations.
Prompt SEO Optimizer
Turn a target keyword into a set of prompts that trigger AI Overviews.
Google Business Profile Optimizer
Rewrite your GBP description to 750 chars, keyword-safe, spam-filter-safe.
llms.txt Audit
Manual audit checklist for /llms.txt — the emerging AI-crawler standard.
AEO Answer Score
Score a paragraph on how quotable it is by AI Overviews.
AI Overview Visibility Checklist
Manual weekly checklist to track brand mentions in ChatGPT, Perplexity, Google AI.
GEO / Generative Engine Optimization Checklist
Full checklist to make a domain rank in generative + geographic search.
AI Crawler Robots.txt Generator
One robots.txt with rules for 20+ AI crawlers.
AI-Ready Topic Brief Generator
Generate a topic brief optimized for SEO + AEO + GEO + AIO in one pass.
Converters
16 toolsMarkdown to HTML
Convert Markdown to clean HTML — CommonMark + GFM.
HTML to Markdown
Convert HTML to Markdown for docs, blogs and LLM prompts.
JSON to CSV
Flatten nested JSON into CSV with dot-path headers.
CSV to JSON
Parse CSV to typed JSON with header inference and BOM stripping.
YAML ↔ JSON
Bidirectional YAML ↔ JSON with schema-preserving comments.
Base64 Encoder / Decoder
Encode & decode text or files to Base64, URL-safe or standard.
URL Encoder / Decoder
Encode & decode URL components and full query strings.
HTML Entity Encoder
Encode & decode HTML entities including named and numeric refs.
Text Case Converter
Convert to UPPER, lower, Sentence, Title, camelCase, snake_case, kebab-case.
Unix Timestamp Converter
Convert Unix timestamps ↔ ISO 8601 in any timezone.
HEX / RGB / HSL Color Converter
Convert colors between HEX, RGB, HSL, HSLA and OKLCH.
JSON Formatter & Validator
Pretty-print + validate any JSON blob, with error messages.
XML Formatter
Pretty-print XML with correct indent depth.
SQL Formatter
Break SQL into readable lines by clause.
URL Parser
Parse a URL into protocol, host, path, query and hash.
JWT Decoder
Decode a JWT's header + payload (no signature verification).
Generators
5 toolsLorem Ipsum Generator
Generate lorem ipsum, hipster ipsum, or corporate ipsum by word / paragraph.
Password Generator
Generate cryptographically strong passwords with entropy scoring.
UUID Generator
Generate UUID v1, v4, v7 and NanoID with copy-all.
Regex Tester
Live regex tester with match highlighting, groups and replace.
UTM Batch Builder
Add UTM parameters to a list of URLs in one paste.
Calculators
5 toolsUTM Campaign Builder
Build tagged UTM URLs and QR codes for every campaign channel.
CTR Calculator
Compute expected clicks, CTR and revenue lift by SERP position.
SEO ROI Calculator
Forecast SEO ROI from traffic, conversion and lifetime value.
Keyword Difficulty Estimator
Estimate KD from paste-in SERP domains, backlinks and DA signals.
Aspect Ratio Calculator
Compute width/height for target aspect ratio; presets for OG, Reels, TikTok.
Tested & Benchmarked Against Real Server Workloads
Our diagnostic and schema tools run with sub-50ms browser execution, providing immediate validation before mass batch publishing.
The 5 Production Trials That Shaped WBP's Architecture
Static HTML
Fast TTFB, but zero dynamic updates or database scale. Unviable past 100 pages.
WP Shared Hosting
SQL query bloat hit resource limits, crashing shared databases and client sites.
Dedicated VPS
Removed shared limits, but created massive manual server & Nginx maintenance headaches.
Elementor Builders
Heavy DOM nodes & junk JSONs caused PHP exceptions and indexation drops.
Hybrid Static/SSR
Decoupled engine with sub-50ms TTFB, zero DB bloat, and multi-framework support.
Contextual AI vs Thin Spintax
We eliminate rigid [Service] in [City] search-and-replace tags. Raw CSV/API data is fed to AI context engines that synthesize unique H2/H3 structures, bespoke answers, and varied paragraph rhythms.
Batch Wave DB Protection
To prevent database crashes at 100,000+ pages, content is deployed in 500–1,000 batch cycles with automated garbage collection, object caching (Redis), and transient clearing.
Clean Permalinks & Zero Orphans
We reject bloated URLs like /products/plugin/wbp-seo. Instead, we use clean 2-level routes (/products/wbp-seo) paired with parent-child breadcrumb archives for 100% indexation coverage.
High-CTR Schema Graphs (JSON-LD)
Multi-layered schema binding Organization, Product/Service, AggregateRating, BreadcrumbList, and FAQPage nodes for SERP star ratings and AI Overview citations.
Pre-Rendered WebP/AVIF Image Engine
Images are statically batch-processed into WebP/AVIF formats on build—never rendered on-the-fly—preventing CLS while capturing Google Image SERP traffic.
Automate all of this at scale
These tools solve one URL at a time. WpBulkPublishing applies every one of them across thousands of WordPress URLs — schema, meta, hreflang, robots, llms.txt, AI answer blocks — with GEO, AEO and AIO built in.
See plugin pricing →