4 Digit Random Number Generator

Instantly generate secure 4-digit random numbers for verification codes, PINs, contests, and cryptographic purposes. Perfect for developers, security engineers, and app creators. Supports unique number generation, zero-padding, and bulk exports!

What is a 4-Digit Random Number?

A 4-digit random number is a numerical code between 0000 and 9999, generated unpredictably using algorithms. Examples:

  • Generate 4-digit code: 4297
  • Zero-padded example: 0429

Why Use 4-Digit Random Numbers?

  • ✅ SMS/Email Verification Codes
  • ✅ Secure PIN Generation
  • ✅ Game Mechanics (Loot Codes)
  • ✅ Temporary Passwords

Why Our Generator is Better?

Real-Time Generation

  • Click once to generate 100+ numbers instantly
  • Copy results with one click (CSV/JSON export)

Advanced Control

  • Exclude duplicates or repeating digits
  • Choose formats: 0429 vs 429

How It Works?

  • Click "Generate Random Numbers" for instant 4-digit codes
  • Customize settings (exclude duplicates, add prefixes)
  • Copy/download results in 1 click

Frequently Asked Questions

How to generate 4-digit random numbers in Java?

// Java example
Random rand = new Random();
int num = rand.nextInt(9000) + 1000;

How to generate random 4-digit numbers in Python?

# Python example
import random
print(random.randint(1000, 9999))

Can numbers start with zero (e.g., 0429)?

Yes! Enable "Allow Zero Padding" in settings to generate numbers like 0429. Disable it for numbers ≥1000.

Are generated numbers truly random?

We use cryptographically secure algorithms (CSPRNG) suitable for verification codes and temporary passwords.