Fix your page.
Free. Private. No signup. 23 browser-based SEO and marketing tools.
SEO Tools
Meta Tag Generator
Generate meta tags, Open Graph tags, and Twitter Card markup for any page. Real-time preview with copy and download.
Use tool →Schema.org Generator
Generate JSON-LD structured data for LocalBusiness, Product, FAQ, Article, and 12+ schema types.
Coming soonRobots.txt Generator
Build a robots.txt file with User-agent, Allow, Disallow, and Sitemap directives.
Use tool →Hreflang Generator
Create hreflang tags for multi-language sites with ISO 639-1 language codes and x-default.
Coming soonReadability Checker
Score your text with Flesch-Kincaid, Gunning Fog, and Coleman-Liau readability formulas.
Use tool →Keyword Density Checker
Analyze word frequency, n-grams, and keyword density in any text.
Coming soonSERP Simulator
Preview how your page will look in Google search results before publishing.
Coming soonMarketing Tools
UTM Link Builder
Build campaign URLs with UTM parameters for Google Analytics tracking.
Coming soonEmail Signature Generator
Create professional email signatures that work in Gmail, Outlook, and Apple Mail.
Coming soonDKIM/SPF Generator
Generate DKIM and SPF DNS records for Google Workspace, Microsoft 365, or custom setups.
Coming soonA/B Test Calculator
Calculate the sample size needed for statistically significant A/B tests.
Coming soonMarketing ROI Calculator
Calculate return on investment for campaigns, channels, and marketing spend.
Coming soonCTA Button Generator
Generate CSS button code with live preview. Pick colors, sizes, and hover effects.
Coming soonAnalyzers & Validators
OG Tag Previewer
Preview Open Graph tags as they appear on Facebook, Twitter, and LinkedIn.
Coming soonSubject Line Analyzer
Score email subject lines for length, power words, spam triggers, and mobile preview.
Coming soonEmail Header Analyzer
Parse raw email headers to trace delivery path, authentication, and delays.
Coming soonHeading Analyzer
Check your H1-H6 hierarchy for proper nesting and SEO structure.
Coming soonAlt Text Checker
Find images missing alt text in your HTML.
Coming soonCanonical Checker
Verify canonical URL tags in your page source.
Coming soonEmail Compatibility
Check HTML email code for rendering issues across Gmail, Outlook, and Apple Mail.
Coming soonTwitter Card Validator
Preview and validate Twitter Card meta tags from any URL or HTML.
Coming soon