Powerful Free SEO Tools for Modern Marketers
Inspect crawlability, optimize click-through rates, audit AI search engine visibility, and track rankings with instant, real-time diagnostic tools. No signup required.
Available SEO & AI Tools
Select a category or search below to launch any free tool instantly.
Free Headline Analyzer
Analyze headlines for click-through rate, search engine length limits, emotional pull, and word balance. Write titles that get clicks and rank higher.
Free Googlebot Simulator
Simulate how Googlebot fetches and inspects your web pages. Detect crawl blocks, rendering issues, status codes, canonical tags, and HTTP response headers.
Free Robots.txt Checker
Validate your robots.txt file, test URL path permissions for Googlebot and AI crawlers, find sitemap links, and detect syntax errors before they hurt your crawl budget.
Free AI Visibility Checker
Audit your site's visibility across AI search engines including SearchGPT, Perplexity, Claude, and Google Gemini. Check crawler permissions, structured data, and llms.txt.
Free Keyword Rank Checker
Check live Google search engine rankings for any keyword and domain across international locations. Identify ranking positions, ranking URLs, and top competitor titles.
Free LSI Keyword Generator
Generate semantically related LSI keywords, search intent variations, and question clusters to enrich your content topical depth and improve organic rankings.
Free UTM Builder & Campaign URL Generator
Generate clean, trackable UTM campaign URLs for Google Analytics 4 (GA4). Preserves existing query parameters and hash fragments with instant copy and QR code generation.
Free Google SERP Preview Tool
Simulate exactly how your web page title, URL, and meta description will display on Google search results across desktop and mobile devices. Check pixel limits and truncation.
Free Robots.txt Generator
Create clean, syntactically valid robots.txt files with safe defaults. Customize crawl permissions for Googlebot, Bingbot, and AI search crawlers with instant download.
Free Open Graph & Social Tag Generator
Generate perfect Open Graph and Twitter Card meta tags with live previews for Facebook, LinkedIn, X, and Slack. Ensure high-CTR social sharing previews.
Free Schema Markup (JSON-LD) Generator
Generate clean, valid Schema.org JSON-LD structured data for Articles, FAQs, Products, Organizations, Local Businesses, How-Tos, and Breadcrumbs.
Free Keyword Density Checker
Analyze keyword frequency and density percentages across single words, 2-word, and 3-word phrases. Identify over-optimization and keyword stuffing instantly.
Free URL Slug Generator
Transform article titles and phrases into clean, SEO-friendly URL slugs. Normalizes Unicode accents, strips punctuation, and removes unnecessary stop words.
Free Meta Description Generator
Generate high-CTR meta descriptions crafted for Google search snippets. Targets optimal 150–160 character limits with natural keyword placement and live SERP previews.
Free SEO Title Generator
Generate click-worthy SEO title tags crafted for search visibility. Generates exactly five titles starting with your primary keyword within 50–60 characters with live SERP preview.
Free Blog Title Generator
Generate captivating, high-CTR blog post titles and editorial headlines. Produces exactly eight unique title options front-loaded with your keyword across diverse writing styles.
Free FAQ Generator
Generate search-intent-focused Frequently Asked Questions and concise 40–60 word answers. Complete with interactive accordion previews and copyable HTML output.
Free Alt Text Generator
Generate descriptive, accessible image alt text tailored for screen readers and Google Image search. Strictly under 125 characters with accessibility best practices.
Free CTA Generator
Generate high-converting Call-to-Action (CTA) buttons and copy tailored for hero banners, mid-article breaks, popups, and footers. Includes psychological trigger analysis.
Word Counter & Reading Time Calculator
Count words, characters, sentences, paragraphs, and calculate estimated reading and speaking times in real time with configurable speed settings.
Free Readability Checker
Analyze your content's readability score using the Flesch Reading Ease and Flesch-Kincaid Grade Level formulas with actionable suggestions to improve clarity.
Free Blog Outline Generator
Generate comprehensive, SEO-optimized blog post outlines with structured H2/H3 headings, talking points, questions to answer, and estimated section word counts.
Free Content Brief Generator
Generate comprehensive SEO content briefs for writers, including search intent, target audience, content angles, semantic keywords, H2/H3 structure, and quality checklists.
Free AI Text Cleaner & Formatter
Clean copied text by removing invisible Unicode characters, zero-width spaces, unwanted control characters, excessive blank lines, and formatting artifacts with optional AI polishing.
Free Instagram Caption Generator
Generate engaging, high-converting Instagram captions tailored for Feed Posts, Reels, and Stories with catchy opening hooks, emojis, calls to action, and hashtags.
Free Facebook Caption Generator
Create high-engagement Facebook post captions crafted for Business Pages, Community Groups, and Personal Profiles with tailored discussion hooks and CTAs.
AI Tweet Generator
Generate punchy, high-impact tweets and X posts strictly within the 280-character limit with accurate live character counters, diverse styles, and optional hashtags.
Free TikTok Caption Generator
Generate punchy, search-optimized TikTok captions featuring viral first-line hooks, relevant trending hashtags, relatable emojis, and comment-driving prompts.
Free LinkedIn Post Generator
Generate high-authority LinkedIn posts with scroll-stopping opening hooks, readable paragraph formatting, professional takeaways, and engagement questions.
Free YouTube Description Generator
Generate comprehensive, search-optimized YouTube video descriptions with opening summary hooks, keyword integration, chapter timestamps, social links, and CTAs.
YouTube Description Generator from Video
Generate accurate YouTube descriptions and chapter timestamps directly from your video transcript or uploaded media with automated timing extraction.
Free Pinterest Pin Description Generator
Generate high-click Pinterest pin descriptions optimized for Pinterest Visual Search and Google Image results with keyword placement, character counts, and traffic CTAs.
Free YouTube Title Generator
Generate 10 click-worthy, algorithm-friendly YouTube video title ideas across diverse editorial formats (How-To, Curiosity, Listicle, Tutorial) with character counts.
Free Instagram Bio Generator
Generate high-converting, aesthetic Instagram bios within the official 150-character limit with instant live mobile preview.
Free Twitter / X Bio Generator
Generate punchy, memorable Twitter / X bios within the verified 160-character limit with instant profile card preview.
Free LinkedIn Headline Generator
Craft high-impact, keyword-rich LinkedIn headlines within the verified 220-character limit with live profile banner preview.
Free Instagram Hashtag Generator
Generate high-relevance Instagram hashtags grouped into Broad, Niche, Community, and Long-Tail categories for maximum discoverability.
Free TikTok Hashtag Generator
Discover high-relevance TikTok hashtags grouped by niche, topic, and community for search-focused TikTok SEO.
Free Instagram Engagement Calculator
Calculate accurate Instagram engagement rates instantly for single posts or multi-post averages based on public formulas.
Free TikTok Engagement Calculator
Calculate TikTok video engagement rates instantly based on likes, comments, shares, and total views.
Free YouTube Engagement Calculator
Calculate YouTube video engagement rates and like-to-view ratios in seconds based on views, likes, and comments.
Want this done for you?
Zonified handles keyword research, writes SEO-optimized articles, discovers backlink opportunities, analyzes performance, runs SEO audits and publishes content to your website every week. Automate your entire SEO workflow instead of running individual tools manually.