How to Find Great Available Domain Names

Finding a domain name that feels right can be frustrating. You land on something you love, check availability, and it's taken. Repeat. The good news: with the right approach, you can find available options that still sound like your brand.
Our AI Domain Name Generator doesn't just generate random names—it uses your description to choose a naming direction, then refines suggestions based on real availability. This guide shows you how to get better results by writing prompts that give the AI the right context.
What Makes a Great Domain Name?
Before diving into prompts, let's establish what you're aiming for. The best domain names share these qualities:
- Memorable: Easy to recall after hearing it once
- Easy to spell:No tricky letter combinations or “guess how it's spelled” names
- Brandable: Unique enough to stand out and build a brand around
- Short: Ideally under 12 characters (though meaningful longer names work too)
- Available:The obvious one—but also the hardest to achieve
Our generator optimizes for all of these, but your prompt sets the direction. Better context leads to better options.
How Our Domain Generator Works
Understanding the process helps you write better prompts. Here's what happens behind the scenes:
Analyze Your Business
The AI reads your prompt and builds a naming plan: niche, audience, key ideas, and the style that fits your brand.
Generate Domain Candidates
Using that plan, it generates dozens of options (brandable words, compounds, metaphors, and more).
Check Availability
Each name is checked against our database and domain registrars to confirm real-time availability.
Auto-Refine with Feedback
Then it learns from the results (what tends to be taken vs. available) and generates improved options that are more likely to be available.

The Auto-Refinefeature runs 3-10 passes (you choose), with each pass learning from the previous results. This is why you often see more available domains in later passes—the AI adapts its approach based on what's working.

Writing Effective Short Prompts
Sometimes less is more. Short, focused prompts (3-4 words) work great when you have a clear concept. The AI expands on your core idea without getting distracted.
Try these examples—click any to see results instantly:
eco friendly packaging
Sustainable business
pet grooming studio
Local service
fitness tracking app
Mobile health app
remote team software
SaaS B2B product
artisan coffee roasters
Food & beverage brand
kids coding academy
EdTech startup
Tips for Short Prompts
- Lead with the industry:“fintech payment app” gives better context than just “payment app”
- Include the business type:“yoga studio” vs just “yoga” helps the AI understand your format
- Add a differentiator:“luxury pet hotel” vs “pet boarding” signals your positioning
Crafting Detailed Business Descriptions
When you have a nuanced business or want more tailored results, longer prompts shine. Include your target audience, unique value proposition, and the feeling you want your brand to evoke.
SaaS Product Example
“A project management tool for creative agencies that combines task tracking, time logging, and client collaboration in one platform. We target design studios and marketing teams who need to juggle multiple client projects simultaneously.”
Try This PromptE-commerce Store Example
“An online boutique selling handmade jewelry crafted from recycled ocean plastic. Our target audience is environmentally conscious millennials who want unique, sustainable accessories that make a statement.”
Try This PromptLocal Service Example
“A mobile car detailing service that comes to customers' homes or offices. We focus on premium eco-friendly cleaning products and serve busy professionals who value convenience and quality.”
Try This PromptWhat to Include in Detailed Prompts
- What you do: Your core product or service
- Who it's for: Your target audience or customer
- What makes you different: Your unique angle or value proposition
- The vibe: Professional, playful, premium, accessible, innovative, trustworthy
- Industry context: B2B, consumer, local, global, etc.
Pro Tip:
Using Filters Effectively
Beyond your prompt, filters help narrow results to exactly what you need:
Domain Extensions
For many brands, .com is still the most recognizable, but strong alternatives can work well:
- .io– Popular with tech startups and SaaS
- .co– Modern, startup-friendly alternative to .com
- .app– Perfect for mobile apps
- .dev– Developer tools and technical products
- .ai– AI and machine learning companies
Selecting multiple extensions increases your chances of finding something available.
Length Preference
Choose “Short (max 8 chars)”if you want punchy, memorable names like Zoom, Slack, or Stripe. Leave it on “Any” for more options including meaningful longer names.
Style & Category
These optional filters guide the AI's creative direction. A “playful” style generates different names than “professional.” The category filter helps when your prompt doesn't explicitly mention your industry.
The Refinement Process
Finding a great domain is rarely a single pass. Here's how to iterate effectively:

1. Start with Auto-Refine at 5x or Higher
The default 3x is quick, but 5x or 10x often yields significantly better results. Each pass uses a different naming approach and learns from availability patterns.
2. Review What's Working
Look at the available names. Are they close to what you want? If not, adjust your prompt:
- Too generic? Add one detail about what you do, for who, or how you're different
- Wrong tone? Describe the style you want (modern, premium, approachable, trustworthy)
- Missing your angle? Call out your unique value proposition in one sentence
3. Use Keywords for Specific Terms
If you want names containing specific words (your name, a key term), use the Keywords filter. Set it to “mandatory” to require inclusion, or “optional” to prefer it when possible.
4. Generate More with Same or New Approach
After your first batch, you can generate more. Choose “Same approach” to get variations on what worked, or “New approach” for completely different naming strategies.
Pro Tip:
Example Workflow: Finding a SaaS Domain
Let's walk through a real example. Imagine you're building an AI-powered email marketing tool for e-commerce stores.
Step 1: Initial Prompt
“AI-powered email marketing platform for e-commerce stores. We help online retailers send personalized emails that increase sales. Target audience is Shopify and WooCommerce store owners.”
Try This PromptStep 2: Set Filters
- Extensions: .com, .io, .co, .ai
- Length: Short (max 8 chars) for a punchy SaaS name
- Style: Modern
- Auto-Refine: 10x (deep search)
Step 3: Review & Iterate
After 10 passes, you might see names across different strategies: growth metaphors (bloom, sprout), speed/efficiency terms (swift, rapid), tech compounds (mailflow, sendly), and abstract coined words. Save your top 3-5 favorites.
Step 4: Test Your Favorites
Before registering, say each name out loud. Can you spell it easily? Does it sound professional? Does it work as @handle on social media? These quick tests prevent regret later.
Quick Prompts to Try Right Now
Need inspiration? Here are more prompts across different industries—click any to generate domain ideas:
AI writing assistant
AI/ML
virtual event platform
Events
sustainable fashion brand
Retail
meal prep delivery service
Food
crypto portfolio tracker
Fintech
online therapy platform
Health
Final Tips for Success
- Be specific but not restrictive:Give the AI enough context to understand your business, but don't limit it with overly prescriptive instructions.
- Consider multiple extensions: A perfect name with .io might be better than a mediocre .com.
- Save before deciding: Use the save feature to bookmark favorites and compare them later.
- Trust the Auto-Refine: The AI gets smarter with each pass. Let it run.
- Do a quick sanity check:Say it out loud, check spelling, and verify it won't be confused with competitors.
- Test with real people: Share your top picks with friends or colleagues before committing.
Ready to Find Your Perfect Domain?
Put these prompt ideas to work and find domains that match your brand and are actually available.
Launch Domain Name Generator
Written by
SpinXO