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All Text Tools Calculators Converters Developer Tools Finance Image Tools Health & Fitness Date & Time Games & Random Cooking & Kitchen Education & Study SEO & Marketing

SEO & Marketing

UTM Builder (Campaign URL Generator)

Build Google Analytics UTM-tagged URLs. Compose source, medium, campaign, term, and content parameters with proper URL encoding.

HTML Meta Tag Generator (SEO, OG, Twitter)

Generate a complete set of HTML meta tags: title, description, canonical, Open Graph, Twitter Card, and robots. Copy the full <head> snippet.

Google SERP Snippet Preview

Preview how your page title and meta description will appear in Google search results. Live pixel-width check + truncation warnings.

Keyword Density Checker (1-word, 2-word, 3-word)

Analyze keyword frequency and density in your content. See top 1-, 2-, and 3-word phrases with counts and percentage of total words.

robots.txt Generator

Generate a valid robots.txt file. Configure per-bot rules, disallow paths, crawl delay, sitemap URL, and common presets.

Schema Markup Generator (JSON-LD for SEO)

Generate JSON-LD structured data for Article, FAQ, HowTo, Product, Recipe, and LocalBusiness. Valid against schema.org and Google's rich-results spec.

A/B Test Significance Calculator

Check if your A/B test result is statistically significant. Enter visitors and conversions for both variants; get p-value, confidence, and lift.

SMS Character Counter (GSM-7, UCS-2, Segments)

Count SMS characters and segments. Detects GSM-7 vs UCS-2 encoding, shows per-segment limits (160/153 vs 70/67), and flags emoji upgrades.

ROAS Calculator (Return on Ad Spend + Break-Even CPA)

Calculate ROAS, profit per customer, and break-even CPA from ad spend, revenue, and margin. Works for Google, Meta, and TikTok campaigns.

Hreflang Tags Generator (Multi-language SEO)

Generate hreflang link tags for international SEO. Supports language codes, region codes, and x-default. Outputs HTML, HTTP header, and sitemap formats.