check

Hunspell dictionaries in UTF-8

plugins to check (lint) markdown code style

📝 Hunspell compatible spell-checker

⚡ Instantly search for the availability of your username on more than 100 social media sites.

No copying, printing as well as opening developers tools.

[Deprecated] A react native module to fetch the version of latest app from android playstore or apple app store

Verify that a request is from Google crawlers using Google's DNS verification steps

一键查重，自动检查项目中的重复代码

check your website for issues with multiple tools and get PDF reports of the results

A command line tool that check to see if `npm publish` is possible.

Checks filenames to be committed against a library of filename rules to prevent sensitive files in Git

Schema definition and validation 🤝

check if urls are dead or alive

Resolve a URL as fast as possible and report whether the destination is reachable over HTTP.

Is the typeof value a javascript primitive?

Check if IP address is private.

A collection of functions for working with different casings.

Javascript check library

A simple tool to check all the licenses in your dependencies

Returns true if a value exists, false if empty. Works with deeply nested values using object paths.