Random char generator · numbers · letters · alphanumeric Short, sharp, random. Generate domains from raw character sets — pick numbers, letters, or alphanumeric, set the length, and reroll until something snaps into place.
Random alphaNumeric domain generator Pick a character set and length, optionally wrap with a prefix or suffix, and we'll spin up 90 register-able candidates.
Character set what to randomise
Number 0–9
Letter a–z
Alpha-Numeric a–z + 0–9
Generated names
300 alphaNumeric candidates No domains generated yet. Tap Generate above.
How it works
Raw entropy, curated. A no-frills random domain generator that respects your pattern. We don't pad the output with names you can't have.
Three character sets Numeric, letter-only, or full alphanumeric — perfect for short codes, vanity stunt domains, or invite-only namespaces.
Fine-grained length Dial length from 1 to 20 characters. Pair it with a prefix/suffix to lock in your brand fingerprint.
Available-first results Registered domains are filtered out by default. Every result on screen is one click from your registrar.
Endless rerolls Each Generate run uses a fresh seed. Keep rolling — the cost is zero and the dice never run out.
Ready when you are.
Check your next domain right now. Free to use and no account needed. Search names, look up DNS and WHOIS, and test SSL from one simple site.
domainbullet.com
northstar.io $39/yr available
northstar.ai $4,995 premium
northstar.app $14/yr available
northstar.studio $22/yr available
When would I want a random alphanumeric domain? Short codes for invite links (j7k.io), URL shorteners, gaming handles, or stunt brands that lean into the cryptic-look aesthetic.
How short can I go? You can generate down to a single character, but short domains across .com/.io/.ai are essentially all taken. Use longer lengths (5–8 chars) for realistic availability.
Does length affect price? No — registration price is per-TLD, not per-character. Short premium names land in the marketplace tier instead.
Can I mix character sets? Pick "Alpha-Numeric" for a–z + 0–9. For more complex patterns, add static text in the prefix or suffix.
Will the same Generate ever produce duplicates? Within a single run, no — we dedupe before showing results. Across runs, every Generate uses a fresh seed so output is brand-new.
DomainBullet
Domain & DNS tools
Free DNS, WHOIS, SSL and hosting lookups, plus domain search and name ideas across hundreds of extensions.
DomainBullet is a Justin Zwick project. See all projects . Last updated October 16, 2026 .
