A .DEV domain is a purpose-built web address for developers and technology projects. It can give documentation, tools, APIs, open-source projects, engineering teams, and developer portfolios an immediately recognizable identity.
The most important technical fact is simple: .DEV is on the HSTS preload list. Browsers require HTTPS for connections to .DEV websites, so a working TLS certificate and correct HTTPS configuration are launch requirements, not optional improvements.
If the name and security model suit your project, check .DEV domain availability at NiceNIC before investing in branding around a specific label.
What Is a .DEV Domain?
.DEV is a generic top-level domain operated by Google’s Charleston Road Registry. Google Registry describes it as a secure domain for developers and technology, including tools, platforms, programming languages, blogs, projects, and documentation.
It is not limited to one programming language, company type, or development model. NiceNIC’s current registration page indicates that standard registrations are not restricted only to professional developers. The value comes from relevance: visitors can understand the technical context before they open the site.
Strong Use Cases for .DEV
Product and API documentation
A concise .DEV name can separate technical documentation from a marketing site while keeping the purpose obvious. It works especially well for API references, SDK documentation, changelogs, and integration guides.
Developer tools and platforms
Code tools, testing services, infrastructure products, package ecosystems, and developer communities can use .DEV to signal their audience directly.
Open-source projects
A project can use .DEV as a stable home for installation instructions, contributor documentation, releases, and governance information, even when its source code remains on a separate hosting platform.
Engineering portfolios and team hubs
Individual developers can use a short .DEV name for a portfolio or technical writing. Companies can use one for an engineering blog, developer portal, or internal-facing tool, provided the HTTPS setup is appropriate for the intended access model.
When .DEV May Not Fit
.DEV may be too specialized for a business whose audience is primarily nontechnical. A customer-facing company name on .COM or a relevant local extension may be easier to remember and explain.
It is also a poor choice for a quick test page that cannot support HTTPS. Because browsers enforce HTTPS for .DEV, an HTTP-only server, an incomplete certificate chain, or a hostname not covered by the certificate can make the site inaccessible.
For private development environments, consider whether the domain will resolve publicly and whether every subdomain will be configured securely. A local-only naming scheme may be more suitable for experiments that are never meant to reach the public web.
The .DEV HTTPS Requirement
Google Registry states that the entire .DEV top-level domain is included on the HSTS preload list. In practical terms, compatible browsers connect to .DEV sites over HTTPS automatically. A visitor cannot rely on an ordinary HTTP fallback while the certificate is being fixed.
Before launch, make sure that:
- the certificate covers the exact hostname visitors will use;
- the certificate is valid and renews reliably;
- HTTP requests redirect cleanly to HTTPS where applicable;
- every public subdomain has a deliberate HTTPS configuration; and
- third-party hosting, CDN, status-page, and documentation services support custom-domain HTTPS.
HSTS does not replace good application security. It protects the transport decision in the browser, but the site still needs secure software, access controls, updates, and monitoring.
Eligibility, Naming, and Commercial Checks
Standard .DEV registration is broadly available through registrars such as NiceNIC. Availability does not give a registrant rights to another party’s trademark or product name, so run a rights check before committing to a brand.
The live search result is the right place to confirm the current price, registration term options, and whether the selected name has non-standard pricing. Renewal and transfer conditions should also be reviewed in the current NiceNIC account and order terms rather than inferred from an older promotion.
.DEV Compared with .COM, .IO, and .APP
.DEV communicates a developer or technology purpose most directly. .COM is broader and often better for a company’s main commercial identity. .IO is widely used by technology products but does not have the same literal developer meaning. .APP is more specific to an application or app brand and, like .DEV, is designed around HTTPS use.
NiceNIC's .DEV versus .COM comparison can help with the audience question. For alternatives, see the NiceNIC guides to .IO domains and .APP domains.
How to Register a .DEV Domain at NiceNIC
Step 1: Confirm the name and HTTPS plan
Choose a label that matches the project and check possible naming conflicts. Confirm that your host or platform can issue and maintain a TLS certificate for the final hostname.
Step 2: Search for the .DEV domain
Use the NiceNIC .DEV registration page to check availability, current pricing, and the options shown for the specific name.
Step 3: Register and configure the domain
Complete the order with accurate registrant information, then connect DNS to the intended service. Issue and test the HTTPS certificate before directing users to the site.
Step 4: Test the public launch
Open the exact domain and important subdomains in current browsers. Confirm that HTTPS works without certificate warnings and that redirects, APIs, assets, and documentation links behave correctly.
Have a launch-ready HTTPS plan? Search and register a .DEV domain at NiceNIC.
