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Hellotools
Build Better Websites.·hellotools.org
Hellotools is a suite of free web tools designed to help build better websites, improve performance, and streamline development workflows. It provides SEO auditing, technical and content analysis, security checks, IP address and domain monitoring, plus utilities for colors, text, and business ROI calculations. The platform is aimed at developers and webmasters who want to optimize their site's growth and online presence using free, easy-to-use tools.
What it's for
Run a full SEO audit and technical analysis of a websiteCheck Hn tags, title attributes, alt attributes, and rel attributesCheck hreflang and canonical tagsCheck broken links and internal linking on a pageCheck SEO indexabilityAnalyze Essential Web Signals and page performance (image compression, Gzip/Brotli compression, file cache, TTFB)Analyze meta tags and keyword density, check text readabilityGenerate keywords and meta tags with AIGenerate a free sitemapMonitor an IP address and check IP blacklistsLook up DNS records for a domainCheck domain age and DNS propagationGenerate passwords and encrypt .htpasswd passwordsCheck HTTP security headers and website securityCheck GDPR compliance of a websiteConvert colors between Hex and RGB, check color contrastCompare text similarity, generate Lorem Ipsum textCalculate Classic, SEA, and SEO ROI
Features 20
- AI-driven meta tag generator
- AI-powered keyword generator
- Broken link and internal linking checker
- Business ROI calculators (Classic, SEA, SEO)
- Color tools (contrast checker, Hex/RGB converter, complementary color finder)
- DNS lookup and DNS propagation checker
- Domain age verifier
- Free sitemap generator
- GDPR compliance checker
- HTTP security headers checker
- IP address monitoring and IP blacklist checker
- Keyword and keyword density checker
- Meta Tags Analyzer
- Password generator and .htpasswd encryption
- SEO indexability checker
- SEO Professional Audit
- Technical SEO Analysis (Hn tags, title attributes, alt attributes, rel attributes, hreflang, canonical tag)
- Text readability checker
- Web performance analysis (Essential Web Signals, image compression, Gzip/Brotli compression, file cache, TTFB)
- Website security checker
At a glance
free tier
TypeWeb app
DeploymentCloud
PlatformsWeb
LanguagesEnglish, French, Spanish, Italian, German, Portuguese, Dutch
Fordevelopers, webmasters
No company, integrations, or compliance data published yet.
Pricing
All listed tools are described as free; no paid plans are shown.
FreeFree
All tools on Hellotools are described as free to use.