Related utilities are grouped by workflow, data type and use case, so you can jump straight into the right tool set.
Toolkk topics: curated landing pages that group related tools and resources by theme, so you can find what you need fast.
Generate realistic, locale-aware random addresses by country — great for testing and development.
Chinese calligraphy, pinyin literacy, English handwriting and grid templates — printable practice copybooks.
Emails, phones, names, MAC/IP/User-Agent, numbers and passwords — single or batch test data.
Online checks for headphones, mics, mouse, keyboard, gamepad, webcam, screen and GPU — no install.
Convert to/from PDF, merge/split/extract pages, encrypt/decrypt and sign — free in your browser.
We use cookies.This website uses essential cookies to operate core features. With your consent, we also use analytics cookies to understand traffic and improve the service. For more details, see our Privacy Policy.