About npm Package Name Validator

Check whether a name passes npm's publish rules (length, casing, reserved prefixes). Part of the DevTools Surf developer suite. Browse more tools in the JavaScript collection.

Use Cases

• Quick npm transformations during development
• Debugging production payloads without leaving the browser
• Generating sample data for tests, demos, and documentation
• Sharing reproducible tool output with teammates

Tips

• Paste your npm input on the left and click Validate — results appear instantly on the right.
• Click "Try Sample" to load an example that demonstrates what the npm Package Name Validator does.
• Copy the output with the button above the panel, or download it as a file with the icon next to it.
• Related keywords: npm, package, name. If you're looking for a specific variant, check the Related tools strip below.

Fun Facts

• JavaScript was written by Brendan Eich in 10 days in May 1995. The syntax was intentionally made to look like Java.
• JavaScript has nothing to do with Java — Netscape named it JavaScript as a marketing strategy to ride the Java hype of the mid-1990s.
• The ECMAScript specification is updated annually since 2015. Before that, ES3 (1999) to ES5 (2009) was a 10-year gap caused by the abandoned ES4 proposal.

FAQ

How do I use the npm Package Name Validator?

Paste your npm input on the left and click Validate — results appear instantly on the right. Click "Try Sample" to load an example that demonstrates what the npm Package Name Validator does. Copy the output with the button above the panel, or download it as a file with the icon next to it. Related keywords: npm, package, name. If you're looking for a specific variant, check the Related tools strip below.

What can I use the npm Package Name Validator for?

Quick npm transformations during development Debugging production payloads without leaving the browser Generating sample data for tests, demos, and documentation Sharing reproducible tool output with teammates

Anything interesting to know about npm Package Name Validator?

JavaScript was written by Brendan Eich in 10 days in May 1995. The syntax was intentionally made to look like Java.