Free Tools
16 utilities I actually use when shipping campaigns. Everything runs in your browser: no signup, no tracking of what you type, nothing stored.
SEO
5 toolsSERP Snippet Preview
See exactly how your title and meta description render in Google, with pixel-accurate truncation warnings.
Open tool →02Meta Tag Generator
Fill in a form, get clean copy-paste HTML for title, description, Open Graph, and Twitter tags with live length checks.
Open tool →03Schema Markup Generator
Generate valid JSON-LD for Person, Organization, Article, and FAQ schema without touching a spec sheet.
Open tool →04Keyword Density Checker
Paste your draft and see word and phrase frequency, so you cover a topic instead of repeating it.
Open tool →05Keyword Cluster Tool
Paste a raw keyword list and get it grouped into topical clusters you can map to pages.
Open tool →AI & Agentic Web
3 toolsRobots.txt Generator
Build a correct robots.txt with one-click policies for AI crawlers like GPTBot, ClaudeBot, and PerplexityBot.
Open tool →07llms.txt Generator
Generate an llms.txt file that tells AI assistants what your site is, what matters, and what to cite.
Open tool →08AI Tell Remover
Strip the giveaways from any draft: em dashes, curly quotes, invisible characters, and overused AI phrases, flagged and cleaned.
Open tool →Copy & Content
4 toolsHeadline Analyzer
Score any headline against the six checks I use before publishing anything with my name on it.
Open tool →10Readability Scorer
Flesch reading ease, grade level, and sentence stats for any draft, computed in your browser.
Open tool →11Email Subject Line Tester
Test subject lines for length, spam triggers, and clarity before you hit send on a campaign.
Open tool →12Social Post Length Checker
Live character counts and cutoff previews for X, LinkedIn, Instagram, TikTok, Threads, and YouTube.
Open tool →Paid Media & Analytics
4 toolsUTM Campaign Builder
Build clean, consistent campaign URLs so your analytics attribution stops lying to you.
Open tool →14Ad Copy Character Counter
Write Google RSA, Meta, and LinkedIn ad copy against real character limits with live overflow warnings.
Open tool →15ROAS and Break Even Calculator
Turn margin, price, and conversion rate into the break even ROAS and CPA your campaigns must beat.
Open tool →16A/B Test Significance Calculator
Check whether your test actually won: two sample significance testing without a statistics degree.
Open tool →