Cookie checkers have grown in popularity because they do not require a password and can remain active for longer periods:

Instead of risking your security with unofficial scripts, consider these safer alternatives: Dangerous site · community · Discussion #163108 - GitHub

Some well‑known credential checkers include (Selenium‑based) and VyyKa/VyKaNFLIX , which uses multi‑threading and runs Edge browser in headless mode for resource efficiency.