Phone number validator
Check a number's format and get it in E.164, international and national form, one number or a whole list.
Country calling codes
The calling code, trunk prefix and mobile format of each country, with a page for every code.
2FA code generator (TOTP)
Read the current code for a 2FA secret key when your authenticator app is not at hand.
WhatsApp and Telegram link generator
Make a wa.me or t.me chat link with a pre-filled message, and a QR code for it.
SMS character counter
See how many characters and SMS segments a message takes, and which characters force UCS-2.
Random phone number generator
Fictional, correctly formatted numbers by country, for testing forms and demos.
What the tools are for
Checking that a number is written correctly before you save or send it, finding which country a +44 or a +7 belongs to, reading a 2FA code when the authenticator app is on another phone, sharing a WhatsApp or Telegram chat link, and knowing how many SMS a message will cost.
Why a number seller gives them away
SMS Activate App rents private virtual phone numbers that receive SMS and calls. These tools answer the questions that come before a number, and they work whether or not you ever buy one.
Need a phone number of your own?
A private number receives SMS and calls in your dashboard, and nobody else is given it while you keep it.