Use valid name format
Keep names between 3-63 characters and use only letters, numbers, and hyphens.
Free Domain Tools
Find Your Free Subdomain
Choose a clean name, validate the format, and continue with .co4.in, .c0m.in, or .cooo.in.
.co4.in free
.c0m.in free
.cooo.in free
instant setup
Match site purpose
Use clear names that reflect intent, like portfolio, docs, support, or blog.
Launch with confidence
Set up SSL and basic site pages first so visitors see a complete, trusted website.
Decision Guide
Free Subdomain or Custom Domain?
Pick the right option for your current stage and timeline.
Start Here
Use a Free Subdomain When You Need Speed
- You want to launch quickly for testing, demos, or learning.
- You are validating a new idea before spending on a domain.
- You are building a temporary project or staging website.
Scale Later
Use a Custom Domain for Long-Term Branding
- You need a strong brand identity and easier trust signals.
- You want cleaner marketing links for ads, email, and social.
- You plan to invest in long-term SEO and repeat visitors.
Naming Guide
Free Subdomain Rules & Checklist
- ✓Use letters (a-z), numbers (0-9), and hyphen (-) only.
- ✓Keep the label between 3 and 63 characters.
- ✓Do not start or end with a hyphen.
- ✓Prefer short names that are easy to read, type, and remember.
Use Case
Portfolio or Resume Site
Try names like johndev, riya-design, or buildwithsam.
Use Case
Project Docs or Support
Popular structures include docs-yourproject, support-team, or help-center.
Use Case
Learning and Testing
Use descriptive names for staging or demo builds so each environment is clear.
How It Works
Get online in 3 simple steps
Step 1
Search your domain
Use the search form to validate and shortlist names.
Step 2
Choose a free subdomain extension
Select .co4.in, .c0m.in, or .cooo.in and continue to checkout.
Step 3
Connect and launch
Point DNS and publish your site with free SSL enabled.
SEO Launch Checklist for New Subdomain Sites
- Write a unique title and meta description for every important page.
- Create core trust pages: About, Contact, Privacy Policy, and Terms.
- Use clear H1/H2 headings so both users and search engines understand page intent.
- Connect pages with internal links to guide users and crawlers.
- Submit your sitemap and monitor indexing in Google Search Console.
FAQ
Common Questions
Answers to what people ask before they claim a free subdomain.
Is the free subdomain free forever? +
Yes. The supported subdomain extensions (.co4.in, .c0m.in, .cooo.in) stay free with your hosting plan and don’t have renewal fees.
Can I move to a custom domain later? +
You can start with a free subdomain and later point or migrate to any custom domain you own without losing your content.
How long does setup take? +
Most requests go to checkout instantly, and activation typically completes within minutes once you finish the order.
Ready to claim your name and launch?
Start with free hosting and claim your free subdomain in minutes.