Here are the free SEO tools I built on DevTools.run that I use for every project:
Meta Tag Generator
https://devtools-site-delta.vercel.app/meta-tag-generator
Generate all your HTML meta tags in one place — title, description, keywords, Open Graph, Twitter Cards. Includes a Google search preview. Character count warnings for optimal lengths.
Open Graph Preview
https://devtools-site-delta.vercel.app/open-graph-preview
Enter any URL and see exactly how it will look when shared on Facebook, Twitter/X, and LinkedIn. Detects all OG tags and Twitter Cards.
Sitemap.xml Generator
https://devtools-site-delta.vercel.app/sitemap-generator
Paste your URLs, set change frequency and priority, download a valid sitemap.xml. Simple and fast.
Robots.txt Generator
https://devtools-site-delta.vercel.app/robots-generator
Create robots.txt files with common presets.
Privacy Policy Generator
https://devtools-site-delta.vercel.app/privacy-policy-generator
Generate GDPR/CCPA compliant privacy policies. Toggle data collection options, get a ready-to-use policy in Markdown.
.htaccess Generator
https://devtools-site-delta.vercel.app/htaccess-generator
Generate Apache .htaccess rules — HTTPS, gzip, caching, security headers.
All tools run in browser. No data sent anywhere. No signup.
Full site with 230+ tools: devtools-site-delta.vercel.app
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