tldx helps you brainstorm available domain names fast.
tldx openai -p get,use -s ly,hub -t com,io,ai --only-available
✔️ getopenaily.com is available
✔️ useopenaihub.io is available- 🔍 Smart keyword-based domain permutations (prefixes, suffixes, TLDs)
- 🚀 Fast and concurrent availability checks with RDAP
- 📤 Streams results as they're found
- 📦 Supports multiple output formats (text, json, json-stream, json-array, csv)
- 🔧 Supports TLD presets to quickly select groups of common or curated TLD sets
- 📏 Optional filtering by domain length
- 🧠 Great for technical founders, indie hackers, and naming brainstorms
Usage:
tldx [keywords] [flags]
tldx [command]
Available Commands:
completion Generate the autocompletion script for the specified shell
help Help about any command
show-tld-presets Show available TLD presets
version Print the version
Flags:
-f, --format string Format of output (text, json, json-stream, json-array, csv) (default "text")
-h, --help help for tldx
-m, --max-domain-length int Maximum length of domain name (default 64)
--no-color Disable colored output
-a, --only-available Show only available domains
-p, --prefixes strings Prefixes to add (e.g. get,my,use)
--show-stats Show statistics at the end of execution
-s, --suffixes strings Suffixes to add (e.g. ify,ly)
--tld-preset string Use a tld preset (e.g. popular, tech)
-t, --tlds strings TLDs to check (e.g. com,io,ai)
-v, --verbose Show verbose output$ tldx google
❌ google.com is not available$ tldx google youtube reddit
❌ reddit.com is not available
❌ google.com is not available
❌ youtube.com is not availableYou can use presets for tlds. For example:
$ tldx google --tld-preset popular
❌ google.com is not available
❌ google.co is not available
❌ google.io is not available
❌ google.net is not available
...$ tldx google --tld-preset geo
❌ google.au is not available
❌ google.de is not available
❌ google.us is not available
❌ google.eu is not available
...You can see all of the available presets:
$ tldx show-tld-presets
== TLD Presets ==
- business: com, co, biz, ltd, llc, inc, ...
- creative: art, design, ink, ...
- design: design, graphics, studio, art, gallery, ink
...This permutates the keywords with the specified prefixes, suffixes, and TLDs, checking for availability:
$ tldx google --prefixes get,my --suffixes ly,hub --tlds com,io,ai
✔️ mygooglely.com is available
✔️ getgooglely.ai is available
❌ mygoogle.ai is not available
...Brace expansion is a built-in feature of most Unix shells (e.g., bash, zsh). You can use it like this:
tldx {get,use}{tldx,domains} {star,fork}ongithub
✔️ gettldx.com is available
✔️ starongithub.com is available
✔️ forkongithub.com is available
❌ getdomains.com is not available
✔️ usetldx.com is available
❌ usedomains.com is not available$ tldx google reddit facebook -p get,my -s ly,hub -t com,io,ai --only-available
✔️ getgooglely.ai is available
✔️ getreddithub.com is available
✔️ getreddit.ai is available
✔️ googlely.ai is available
✔️ getredditly.com is available
✔️ facebookly.io is available
...By default, output is human-readable (text). You can change it with the --format or -f flag:
$ tldx openai -p use -s ly -t io --format json
[
{
"domain": "openaily.io",
"available": true
},
{
"domain": "openai.io",
"available": false
},
...
]$ tldx openai -p use -s ly -t io --format json-stream
{"domain":"useopenaily.io","available":true}
{"domain":"openai.io","available":false}
...$ tldx openai -p use -s ly -t io --format csv
domain,available,error
openaily.io,true,
openai.io,false,
...brew install brandonyoungdev/tldx/tldxor
brew tap brandonyoungdev/tldx
brew install tldxTwo options are available for Arch Linux users:
Visit the Releases page.
Download the archive for your OS and architecture:
-
macOS / Linux:
tldx_<version>_<os>_<arch>.tar.gz -
Windows:
tldx_<version>_windows_<arch>.zip
Extract the binary and move it to a directory in your $PATH:
# Example for Linux/macOS
tar -xzf tldx_<version>_<os>_<arch>.tar.gz
mv tldx /usr/local/bin/go install github.com/brandonyoungdev/tldx@latest