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Professional SEO tools
built for small business
12 advanced tools — SERP simulator, on-page scorer, schema builder, OG preview, robots.txt parser and more. All free, all instant, no account needed.
Google SERP Simulator Advanced
Pixel-accurate preview of how your page looks in Google search results — desktop & mobile
Desktop
Mobile
Google Desktop Preview
kit-seo.com › page
Your page title will appear here
Your meta description will appear here — aim for 120–155 characters to avoid truncation in Google search results.
Title pixel width (max 600px)
0px
Google Mobile Preview
kit-seo.com › page
Your page title will appear here
Your meta description will appear here.
Title pixel width (max 450px mobile)
0px
💡 Pixel width matters more than character count. Google truncates titles based on pixel width (~600px desktop, ~450px mobile), not characters. Wide letters like W and M take more space than i and l.
On-Page SEO Scorer Advanced
Score your page against 20+ on-page SEO factors and get a prioritised action list
Open Graph & Social Preview New
Preview how your page looks when shared on Facebook, LinkedIn, Twitter/X, and WhatsApp
Facebook / LinkedIn
Twitter / X
WhatsApp
No image URL entered
KIT-SEO.COM
Your OG title will appear here
Your OG description will appear here — keep it under 200 characters for best display.
No image URL entered
Your title
Description
kit-seo.com
No image
Your title
Description
kit-seo.com
💡 Recommended image size: 1200×630px (1.91:1 ratio) for Facebook/LinkedIn. Twitter cards use 800×418px for summary_large_image. Always set og:image or social shares look broken.
Schema Markup Builder Advanced
Generate valid JSON-LD for LocalBusiness, Article, FAQPage, Product, BreadcrumbList, and Review
Fill in the fields above to generate your schema.
💡 Paste this into a
<script type="application/ld+json"> block in your page <head>, or add via Rank Math → Schema tab.Robots.txt Validator & Parser New
Paste your robots.txt to check for errors, find blocked paths, and see a parsed summary
Keyword Research Planner Advanced
Generate a full keyword cluster — seed terms, long-tail, questions, comparisons, and local variants
Title Tag Checker Free
Check title length, keyword presence, and pixel-width accuracy
Type your title above to see your score and a live Google preview.
Meta Description Checker Free
Ideal length 120–155 characters — check keyword inclusion and CTR signals
Type your meta description to check length, keyword presence, and see a SERP preview.
Readability Scorer Free
Flesch Reading Ease + sentence length analysis + passive voice detection
Paste your content above. Aim for a Flesch score of 60+ for most web content. Google rewards pages that are easy for humans to read.
Keyword Density Analyser Free
Check primary keyword density + find top 10 most used words automatically
Enter your keyword and paste your content. Ideal keyword density is 0.5–2.5% of total words.
Heading Structure Checker Free
Validate H1/H2/H3 usage and visualise your content outline with a hierarchy tree
Paste content with heading markers (# = H1, ## = H2, ### = H3) to validate structure and see your outline.
SEO Notepad Free Auto-saves
Write SEO notes, keyword lists, and content plans. Auto-saved to your browser — no login needed.
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