How to use the username generator
This tool builds usernames by joining an adjective and a noun from a themed word list, then adding digits if you want them. It runs in your browser and never checks or reserves a name anywhere.
- How many: 1 to 200 usernames per run.
- Style: Gamer / cool, Professional, Cyber / tech, Cute or Fantasy. Each style has its own 26 to 30 adjectives and nouns.
- Numbers: none, or a random 2, 3 or 4 digit number on the end. Digits make a name more likely to be free but harder to remember.
- Between words: nothing, an underscore, a dot or a hyphen. Letter case: Capitalized or lowercase.
- Length limit: choose X, Reddit, TikTok, Twitch, Instagram or GitHub (15, 20, 24, 25, 30 and 39 characters) and every result is that long or shorter.
- Include your own word: optional, up to 12 letters or numbers. It replaces the adjective or the noun in each name.
How the names are built
Every username is one random adjective plus one random noun from the style you pick (about 680 to 900 pairs per style), with your word swapped in when you give one, then the separator, the case and the digits. The two words are never the same, duplicates are dropped, and a name that is too long for the limit is thrown away and redrawn. If the settings leave fewer possible names than you asked for, the status line tells you how many it found.
Worked example
The page opens on a fixed sample with 20 names, Gamer / cool, 3 digits, nothing between words, Capitalized and no length limit. The first names are NinjaBandit615, SavageWolf901, RogueTitan760. Press Generate usernames for a fresh list. Pick Underscore and lowercase and that same kind of name looks like ninja_bandit615.
Limits and tips
- Availability is not checked. Popular combinations are often taken, so generate several and try a few with digits.
- Allowed characters differ by site, so check the sign-up rules: X and Twitch allow letters, numbers and underscores, Instagram and TikTok also allow periods, and GitHub allows hyphens but not underscores. Platform limits change, so confirm them on the site.
- With a length limit of 15 and your own word, the longest words are skipped, so fewer combinations remain.
- Avoid personal details such as a birth year or a hometown. For a strong password to go with your new handle, use the password generator. To invent a person's name instead of a handle, try the random name generator, and for a throwaway email address see the fake email generator.
Frequently asked questions
Does the username generator check whether a name is available?
No. It only builds candidates, and it never contacts Instagram, X, TikTok or any other site. Type your favorites into the sign-up page or profile search to see whether they are free.
What is the maximum username length on X, Instagram and TikTok?
X allows 15 characters, TikTok 24 and Instagram 30. Reddit allows 20, Twitch 25 and GitHub 39. These are the limits in 2026. Pick one in the Length limit box and every result will fit.
Which characters can I use in a username?
It differs by site. X and Twitch accept letters, numbers and underscores. Instagram and TikTok also accept periods. Reddit accepts underscores and hyphens, and GitHub only hyphens. No separator is the safest choice everywhere.
How do I put my own name or hobby in a generated username?
Type it into the Include your own word box. The tool pairs it with a random noun or adjective from the chosen style, so the word Max might give MaxHawk482 or SwiftMax109.
Is it safe to use my birth year in a username?
It is better not to. A birth year, a street or a school makes a username easier to link to you. Random digits keep names unique without giving anything away.