Free Tools

Free Web Tools for
Developers, Marketers & Founders

Domain intel, SEO audits, SSL checks, AI tools, and a GST calculator — 11 free tools, no account required.

Instant results
No signup needed
Live data
Always free
Available Tools
Whois Checker
Domain Registration Lookup
DNS Checker
DNS Records Lookup
Website Built With
Technology Stack Detector
SSL Checker
Certificate Validity & Expiry
Sitemap Checker
Validate sitemap.xml
Free SEO Audit
Instant On-Page SEO Score
GMB Optimization Report
Google Business Profile Score
AI Prompt Generator
Write Better AI Prompts
GST Calculator
Add or Remove GST Instantly
AI Readiness Score
Assess Your AI Adoption
Tech Stack Advisor
AI-Recommended Tech Stack

All Free Tools

Click any tool to open it — each has its own dedicated page

Domain Intel

Whois Checker

Find out who owns any domain, when it was registered, when it expires, who the registrar is, and what nameservers it uses.

  • Owner / Registrant
  • Registration & expiry dates
  • Registrar details
  • Nameservers
Open Tool
DNS Intel

DNS Checker

Look up all DNS records for any domain — A, AAAA, MX, NS, TXT, and CNAME — using Google's live DNS resolver.

  • A & AAAA (IP addresses)
  • MX (mail servers)
  • NS (nameservers)
  • TXT & CNAME records
Open Tool
Tech Intel

Website Built With

Discover the full technology stack of any website — CMS, JavaScript frameworks, analytics tools, CDN, payment gateways and more.

  • CMS (WordPress, Shopify…)
  • JS frameworks (Next.js, React…)
  • Analytics & marketing tools
  • Infrastructure & CDN
Open Tool
Security

SSL Checker

Check any domain's SSL certificate — issuer, validity dates, days until expiry, and covered subdomains.

  • Issuer & subject
  • Expiry countdown
  • Covered subdomains (SAN)
  • Protocol & cipher
Open Tool
SEO Intel

Sitemap Checker

Verify any website has a valid, discoverable sitemap.xml and see exactly how many URLs it lists.

  • Finds sitemap via robots.txt
  • Validates XML structure
  • URL count
  • Detects sitemap indexes
Open Tool
SEO Tool

Free SEO Audit

Get an instant 0–100 SEO score covering title tags, meta description, headings, mobile-readiness, and structured data.

  • 10 on-page SEO checks
  • Instant score
  • Pass/fail breakdown
  • No signup
Open Tool
Local SEO

GMB Optimization Report

Score your Google Business Profile in 60 seconds with a 10-point self-assessment checklist.

  • 10-point checklist
  • Instant score & tier
  • Improvement list
  • No Google login needed
Open Tool
AI Tool

AI Prompt Generator

Turn a rough idea into a well-engineered prompt optimized for ChatGPT, Midjourney, or coding assistants.

  • 4 AI target types
  • Explains why it works
  • One-click copy
  • Unlimited use
Open Tool
Finance

GST Calculator

Calculate GST for any amount and rate (5/12/18/28%), with a CGST/SGST breakdown.

  • Standard GST rates
  • Add or remove GST
  • CGST + SGST split
  • Instant results
Open Tool
AI Assessment

AI Readiness Score

Answer 8 quick questions to find out how ready your business is to adopt AI.

  • 8-question assessment
  • Instant score & tier
  • Personalized next steps
  • 60 seconds
Open Tool
AI Advisor

Tech Stack Advisor

Get an AI-recommended frontend, backend, database, and hosting stack based on your budget and timeline.

  • Tailored to budget & timeline
  • Full stack breakdown
  • Recommended services
  • Reasoning included
Open Tool

Built for Real Use Cases

Whether you're a developer debugging DNS propagation, a marketer auditing a competitor's tech stack, or a business owner checking domain availability — these tools give you instant, accurate answers.

Debug DNS propagation issues during domain migrations
Audit competitor websites and understand their tech choices
Monitor domain expiry dates before they lapse
Verify MX records when setting up email hosting
Confirm TXT records for domain verification (Google, Brevo, etc.)
11
Free tools
Domain, SEO, AI & finance
35+
Tech signatures
Frameworks, CMS, analytics
Live
Data sources
RDAP, Google DNS, direct fetch
₹0
Cost
Forever free, no hidden catch

Frequently Asked Questions

Are these tools free to use?

Yes, completely free. No signup, no credit card, no limits for normal usage.

Do you store the domains I look up?

We log lookups anonymously for improving the service. We do not tie lookups to your identity unless you voluntarily provide your email. See our data usage policy for full details.

How accurate is the data?

Whois data comes from RDAP (the official IANA-standard protocol). DNS data is fetched live from Google Public DNS. Technology detection analyses live website HTML and headers.

What other tools are you building?

We're adding more tools including an HTTP Headers Inspector and Redirect Chain Checker. Bookmark this page to stay updated.

By using these tools you agree to our data usage policy.

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