Blog

Practical guides that answer a question first, then walk through examples and related tools.

17 articles

Generators

How to create a strong password

Use a 16-character password with upper, lower, digits, and symbols for about 102.6 bits of entropy in this site’s generator.

3 min read
Read more

Generators

How to make a Wi-Fi QR code

Make a guest Wi-Fi QR with the generator’s Wi-Fi tab. Demo: Guest-Cafe. Anyone who scans can read the password.

3 min read
Read more

Generators

Passphrase vs random password

Compare 4, 5 and 6-word passphrases from the 7,776-word EFF list with a 16-character random password using this site’s entropy math.

3 min read
Read more

Finance

How to calculate EMI on a car loan

Learn the EMI formula, see a ₹800,000 car loan at 9.5% for 60 months (EMI ₹16,801.49), and estimate your payment with the free calculator.

4 min read
Read more

Health

What is a healthy BMI?

A healthy adult BMI is usually 18.5–24.9. Learn the formula, see a worked example, and check your number with the free BMI calculator.

3 min read
Read more