pwnchk

small wrapper for pwnedpasswords to check if a password has been pwned.

available as a cli tool or as a library on npm/pwnchk

note: this code does not expose or send the input to any server. comparison is done locally via sha1 hash. check the official api documentation for more details.

usage

• standalone cli

  npx pwnchk <password>

• from code

  npm i pwnchk

  import { checkInput } from "pwnchk";
  const result = await checkInput("password");
  console.table(result);

refs:

• https://haveibeenpwned.com/API/v2#PwnedPasswords
• https://github.com/HaveIBeenPwned/PwnedPasswordsDownloader
• https://www.troyhunt.com/introducing-306-million-freely-downloadable-pwned-passwords/