Best Free Subdomain Providers Compared (2026)

AICLUB's live catalog goes beyond .ai.id, with .web.id, .cv, .eu.cc, and more base domains in the domain catalog.

What to look for

First, check how a request is made. A GitHub pull request is transparent but expects comfort with a repository workflow. A web form may be easier but can include manual review. Next, read the content policy and ask what happens if you need to move. A free address is useful only if you can keep your project reachable or migrate it responsibly.

The contenders

is-a.dev uses a public GitHub repository and pull-request workflow for developer subdomains. That is a good fit if you already work in Git. thedev.id presents itself as a developer identity and uses its own request process. DigitalPlat FreeDomain documents a free-domain and DNS learning project. EU.org has offered free names for decades and publishes its registration and policy information. js.org is focused on JavaScript-related projects and also uses a public GitHub workflow. AICLUB is built for free .ai.id subdomains with a guided dashboard and routing choices for common hosts. None is automatically best for every project.

Comparison table

Which should you pick?

Pick is-a.dev or js.org when the public Git workflow is part of the appeal. Pick EU.org only when its policy and review process suit your timeline. Pick a local developer service when the identity and community fit your work. Pick AICLUB when you want a .ai.id address, common DNS targets, and a quick place to publish a portfolio, student work, or an AI project page. Compare the choice against the honest SEO guide; no provider removes the need for good content and a migration plan.

Frequently asked questions

Are free subdomains safe?

They can be safe when you follow the provider rules and secure the hosting account. Free does not remove normal web security work.

Can I use one for a production app?

You can, but judge the provider policy, uptime needs, ownership risk, and migration plan first. A paid domain may be the safer business choice.

What if a provider shuts down?

The address can stop working. Keep backups, document DNS settings, and own a migration plan before the address becomes critical.

Read the rules before you publish

Provider names are not promises that every request will be accepted. Policies can limit abusive content, impersonation, adult material, trademark misuse, or inactive records. That is reasonable: a shared namespace needs rules to stay useful. Read them before you build marketing around an address. Also check how support and changes are communicated. A public issue tracker gives one kind of visibility; a form and dashboard give another. Keep a copy of your DNS target, repository, build settings, and important content outside the provider. Then a move is an operational task, not a disaster. The fair comparison is not “which one is forever?” No free service can honestly make that guarantee. The better question is whether its process, identity, and constraints fit the project you have now. For a first portfolio, speed and clarity may matter most. For a public JavaScript library, a community namespace may fit. For a business, ownership may justify buying a domain earlier.

Keep your options open.

If a free address is enough for the work in front of you, claim a free subdomain. Treat it as a useful start, not a claim that every project will always use a free address.

How to compare free subdomain providers

Do not compare only the extension name. Check registration requirements, usage policy, verification flow, DNS control, and whether the address can be retained when the project grows. Provider lists can change; always check official pages before relying on an address for a portfolio or public service.

Choose based on the project need

For experiments, documentation, or learning projects, a simple option with clear DNS guidance is usually enough. For a brand, store, or long-term service, consider your own domain so identity control and provider migration remain in your hands. Do not treat free status as a permanent guarantee.

Checklist before requesting a subdomain

Prepare a clear project name, intended use, hosting target, and any DNS records you may need. Read the provider rules before submitting a request, use a reachable contact, and do not use a free address for activity that violates policy. Record the DNS configuration so you can troubleshoot or migrate without guessing.

Frequently asked questions

Continue learning