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Productivity
Database of 1.3M+ brandable one-word domains, plus AI name generation
Domain Name GeneratorAI Naming ToolStartup Tools
One Word Domains is a curated database of 1,381,826+ available, brandable one-word domain names across 93 TLDs (.ai, .com, .io, .co, .app, and more), built from a curated set of 27,625 English words tagged by category. Its DomainsGPT feature generates brandable domain name ideas with AI when browsing alone isn't enough.
- Best for
- Founders and indie hackers naming a new startup or side project who want a short, brandable one-word domain instead of manually checking availability one name at a time.
- Pricing
- Browse the database for free. One-time Lifetime Membership for $149 USD unlocks full access plus 2,000 DomainsGPT credits — no monthly subscription.
Core features
- • Curated database of 1,381,826+ available one-word domains across 93 TLDs
- • DomainsGPT: AI-generated brandable domain name suggestions
- • Domain filtering and sorting by popularity score
- • Category-tagged word database (adjectives, nouns, verbs, positive, tech, and more)
- • Multi-registrar price crawling to find the best price per TLD
- • Dedicated browsing by top TLDs: .ai, .com, .io, .co, .app, -gpt suffix, and more
- • Aftermarket domain links (GoDaddy, Namecheap) for domains already registered
Use cases
- 1. Naming a new startup or SaaS product with a short, brandable one-word domain
- 2. Finding an available .ai or .io domain for a tech or AI-focused product
- 3. Generating AI name ideas with DomainsGPT when you don't have a name yet
- 4. Comparing registrar prices for a specific TLD before purchasing
- 5. Browsing domains by theme (positive, nouns, tech, etc.) for brainstorming
How to use
Browse available one-word domains by TLD or word category, filter and sort by popularity score, or use DomainsGPT to generate AI name ideas if you don't have a name yet. Purchase the Lifetime Membership to unlock the full database and follow through to your preferred registrar.
Pricing plans
Free Browse
$0
- • Browse curated one-word domain examples
- • View domains by TLD (.ai, .com, .io, .co, .app, and 88 more)
- • See popularity scoring on sample domains
Lifetime Membership
$149 USD (one-time)
- • Full access to 1,381,826+ available domains across 93 TLDs
- • Filter and sort domains by popularity score
- • Unlimited access to future database updates
- • 2,000 DomainsGPT credits to generate names with AI
- • Pay once, own it forever — no subscription
FAQ
Is One Word Domains free to use?
You can browse curated domain examples for free; full database access and DomainsGPT credits require the one-time $149 Lifetime Membership.
Is this a subscription?
No — it's a one-time $149 payment for lifetime access, including all future database updates, with no recurring billing.
What is DomainsGPT?
DomainsGPT is One Word Domains' AI feature that generates brandable domain name ideas, included with 2,000 credits in the Lifetime Membership.
Which domain extensions does One Word Domains cover?
It covers 93 TLDs including popular options like .ai, .com, .io, .co, .app, .xyz, and even -gpt suffix .com domains.
Where it holds up
- One-time $149 payment for lifetime access — no recurring subscription
- Massive, curated database: 1.38M+ available domains across 93 TLDs, built from 27,625 tagged English words
- DomainsGPT adds AI-generated name suggestions when browsing the curated list isn't enough
- Crawls multiple registrars to surface the best prices for each TLD
- Lifetime access includes all future database updates at no extra cost
Where it falls short
- No ongoing free tier for full access — the core value (full database + AI credits) requires the $149 one-time purchase
- Domain availability changes constantly, so listed domains can sell out between visits
- Focused specifically on one-word domains, not multi-word or hyphenated brand name ideas
