Free tools
For developers who sell software. Free, nothing to install; see what each one gives you before you open it.
License key generator
Random, unique keys in any format, up to 1,000 at a time.
Try it right here · In your browser
Minecraft keep-name check
Paste plugin.yml or fabric.mod.json: see what your jar must keep.
In your browser · Nothing uploaded
Plugin leak check
One free search of leak sites for your product, by Sentinel.
Free account · One check
When you're ready to sell, SunLicense checks every copy.Create a free account
SunLicense