12 Free Webmaster Tools Every Website Owner Needs
Twelve free webmaster tools cover most website health checks: SEO Score Checker, XML Sitemap Generator, .htaccess Redirect Generator, SSL Checker, HTTP Headers, Mobile Friendly Test, Broken Link Checker, Spider Simulator, Meta Tag Analyzer, GZIP check, code minifiers and Website Screenshot Generator.
The 12 tools
✓1. Website SEO Score Checker
🛠️ Full on-page, technical and speed report for any URL. Open Website SEO Score Checker
2. XML Sitemap Generator
Create a sitemap for small sites to submit to Google and Bing. Open XML Sitemap Generator
3. .htaccess Redirect Generator
Force HTTPS and one www or non-www version with a 301. Open .htaccess Redirect Generator
4. SSL Checker
See whether a certificate is valid, who issued it and when it expires. Open SSL Checker
5. Get HTTP Headers
View status codes, redirects and caching headers. Open Get HTTP Headers
6. Mobile Friendly Test
Check how a page behaves on phones. Open Mobile Friendly Test
7. Broken Link Checker
Find links that return 404 and other errors. Open Broken Link Checker
8. Spider Simulator
See the text and links a search engine crawler reads. Open Spider Simulator
9. Meta Tag Analyzer
Inspect title, description, robots and social tags. Open Meta Tag Analyzer
10. Check GZIP Compression
Confirm the server compresses pages during transfer. Open Check GZIP Compression
11. HTML Minifier
Remove unneeded characters from HTML (CSS and JS minifiers too). Open HTML Minifier
12. Website Screenshot Generator
Capture how a page looks for reports and checks. Open Website Screenshot Generator
A monthly 15-minute website check
- Run the SEO Score Checker on your homepage and top pages.
- Run the Broken Link Checker and fix or redirect dead links.
- Check the SSL expiry date.
- Open HTTP Headers for an http:// URL – it should 301 to https.
- Regenerate your sitemap if you added pages, and check Google Search Console for errors.
Which tool for which problem?
✕✓| Problem | Tool |
|---|---|
| "Not secure" warning | SSL Checker → .htaccess Redirect Generator |
| New pages not found by Google | XML Sitemap Generator, then Search Console |
| Slow pages | SEO Score Checker → GZIP check → minifiers |
| Visitors hit error pages | Broken Link Checker |
| Wrong title in Google | Meta Tag Analyzer |
Open the Website SEO Score Checker on pdfseotools.com – free, no sign-up and it works on any device.
Frequently Asked Questions
Are these webmaster tools free?
Yes. All twelve run in your browser for free with no sign-up.
Which tools should a new site owner use first?
The SEO Score Checker, .htaccess Redirect Generator, SSL Checker and XML Sitemap Generator – they cover the basics Google needs.
How often should I run these checks?
Run the SEO report and broken-link check monthly, and after every big site change such as a redesign or migration.
Do they replace Google Search Console?
No. Search Console shows how Google actually sees and indexes your site. Use these tools to diagnose and fix issues, and Search Console to monitor results.
Can I check any website?
Yes, any public URL – useful for auditing clients or comparing competitors.
Do I need to install software or create an account?
No. Everything runs in your web browser on Windows, Mac, Android and iPhone – there is nothing to download, nothing to install and no account to create.
Summary
Twelve focused tools, one monthly routine – and most technical SEO problems get caught early. See them all on the free webmaster tools page.
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