Free SEO tools
Every Otorank SEO tool on one page. They are free and run in your browser, most with no signup. Pick the one you need and start right away.
On-page SEO
Preview and tidy the title, description and heading structure Google reads on each page.
SERP Snippet Preview
See how your title and description appear in Google before you publish.
Use the toolMeta Tag Generator
Generate clean, correctly sized title and meta tags in seconds.
Use the toolHeading Structure Checker
Validate your H1 to H6 hierarchy for accessibility and SEO.
Use the toolMeta Description Checker
Check the length, pixel width and Google preview of a meta description.
Use the toolTitle Tag Checker
Check the length and pixel width of a title tag before publishing.
Use the toolOpen Graph Preview
Preview how a link looks on social from your Open Graph tags.
Use the toolHeadline Analyzer
Analyze a headline's length, power words and structure to lift click-through.
Use the toolContent
Measure what you have written, from word count to how often each term repeats.
Keyword Density Checker
See which words and phrases repeat, how often, and where the copy reads repetitively.
Use the toolWord Count Tool
Count words, characters, sentences and reading time for any text.
Use the toolCharacter Count Checker
Count characters and words against title, meta, ad and social limits.
Use the toolPassive Voice Checker
Detect passive-voice sentences and measure their percentage.
Use the toolReadability Checker
Score your content's readability: score, sentence length and passive voice.
Use the toolKeywords
Turn one idea into the questions and variations people actually search for.
Technical SEO
Check the files that decide what search engines can crawl and index.
Robots.txt Tester
Test whether any URL is allowed or blocked for a crawler, with the rule that decides.
Use the toolSitemap Validator
Check your XML sitemap is well-formed and spot missing locs and bad dates.
Use the toolRobots.txt Generator
Create a valid robots.txt to control what search engines crawl.
Use the toolLLMs.txt Generator
Generate an llms.txt so ChatGPT, Claude and Perplexity understand your site.
Use the toolFAQ Schema Generator
Create JSON-LD FAQ schema from question and answer pairs for rich results.
Use the toolSchema Markup Generator
Generate JSON-LD structured data for articles, FAQ, products and local listings.
Use the toolUtilities
Small helpers for everyday SEO tasks, like turning a title into a clean URL.
Slug Generator
Turn any title into a clean, SEO-friendly URL slug.
Use the toolUTM Builder
Build trackable campaign URLs with UTM parameters.
Use the toolSEO ROI Calculator
Estimate SEO ROI from traffic, conversion rate and average order value.
Use the toolSEO Checklist
A step-by-step SEO checklist: technical, on-page, content and links.
Use the toolWhy use these tools
Built for the work, not a signup wall
Each tool does one job well and runs entirely in your browser. No account, no usage limit and no email gate, so you can start the moment the page loads.
They measure what search engines see
Pixel widths, heading hierarchy, crawl rules, sitemap structure: the tools read your page the way Google does, so you fix the thing that actually affects visibility rather than guessing.
Honest about where they stop
These tools help you check and improve a page today. When you want the whole chain, research, writing, publishing and links, handled for you in 150+ languages, Otorank is there.
Frequently asked questions
How the tools work, what they do with your data, and what Otorank is beyond them.
Yes. Every tool here is free and runs in your browser. Most need no account and no signup.
No. The tools compute in your browser; your text, URLs and files are never uploaded or stored, so you can safely check unpublished pages and client work.
No account is required for the free tools. An Otorank account is only for the full content-automation product.
Yes. We add tools as we build them. The ones listed here are live today; more are on the way.