Validators
Package Name Validator
Validate package names such as npm package names and scoped package names directly in your browser.
Tool
Validate package names such as npm package names and scoped package names directly in your browser.
This tool runs in your browser. Your input is processed locally and is not uploaded.
About this Tool
Use this free Package Name Validator to check whether a package name follows common naming rules. It can help detect uppercase letters, spaces, unsupported characters, invalid scopes, leading dots or underscores, reserved-looking names, and other package naming issues. The validation runs directly in your browser and does not contact any package registry.
Examples
- my-package
- @scope/my-package
Frequently Asked Questions
What does this package name validator check?
It checks whether a package name follows common package naming rules, including lowercase characters, allowed separators, length, and scoped package format.
Does this check if the package name is available?
No. This tool checks the format only. It does not contact npm or any other package registry.
Is my package name uploaded?
No. The validation is designed to run locally in your browser.