Free SEO tools
Free tools to plan content, optimise on-page SEO, verify emails, preview snippets and audit sites. No signup, no credit card, no install. Built by the SayNine team for outreach and SEO work that ships fast.
Meet the tools
Free SEO Audit
Auto-crawl up to 2,000 pages. Report in 15 minutes with priorities, owners and a free consult.
ExploreBlog Title Generator
Generate clickable, SEO-friendly blog titles that earn the click. Paste a topic, get options.
ExploreBlog Outline Generator
Turn any topic into a structured H1/H2/H3 outline in seconds. Skip the blank-page phase.
ExploreMeta Tags Generator
Create SEO-optimised titles and meta descriptions in seconds. Copy-ready output for any page.
ExploreURL Slug Generator
Convert any title into a clean, SEO-friendly URL slug. Strip junk, lowercase, hyphenate, done.
ExploreEmail Subject Line Tester
Score cold-outreach subject lines for open-rate potential. Catch spam triggers and weak openers.
ExploreEmail Permutator
Generate every likely email format for a contact. First name plus domain plus 30 variations, instantly.
ExploreEmail Verifier
Check whether an email address is real before you send. Syntax, MX records and a live mailbox probe in seconds.
ExploreReadability Checker
Score any text against Flesch, Gunning Fog and ARI, plus targeted suggestions to make it clearer.
ExploreKeyword Density Checker
Spot keyword stuffing and topical gaps in any text. Frequency, density and 1/2/3-word combos.
ExploreSERP Preview Tool
See exactly how your page renders in Google search results. Desktop and mobile, pixel-accurate.
ExploreOpen Graph Preview
See how your link looks when shared on Facebook, X, LinkedIn and Slack. Copy-ready meta tags.
ExploreDofollow Backlink Checker
Paste a link, find out whether it passes link juice. Dofollow vs nofollow, plus anchor context.
ExploreBuilt for the work that actually ships
Truly free
No signup wall. No credit card. No trial limit. Use any tool as many times as you want.
Fast in the browser
Most tools run in your browser with no install. Paste, click, get the answer in seconds.
Built by SEO practitioners
We built these tools to use them ourselves. The defaults match how outreach and SEO actually work.
Privacy-friendly
Most checks happen client-side. Your text, emails and URLs do not leave your browser unless an answer needs a third-party API.
