4-Digit Random Number Generator
Random number generator creates sequences of digits in a specific range or from a list
Number range can be from minus to plus 999,999,999
Numbers can be separated by space, comma or new line
Numbers quantity
Options
4-Digit Number Generator
4-Digit Number Generator creates random numbers from 1000 to 9999. 9,000 possible values. Suitable for access codes, promo codes, and numeric identifiers.
4-digit numbers are used in systems where fixed digit length is required. From SMS codes to promo codes — everywhere where number length matters.
Client-side generation via Crypto.getRandomValues(). No number is sent to the server. The tool works offline after page load.
Features
- Only 4-digit numbers: from 1000 to 9999
- Configurable number of results
- Numbers with leading zeros (e.g., 0001)
- Zero-knowledge: data never leaves your device
- Cryptographically secure API — true randomness
- Instant result copying
How It Works
Get a 4-digit number in four steps
Intuitive interface lets you get results in seconds.
01
Select digit length
4-digit mode is already selected. Range: from 1000 to 9999.
02
Configure quantity
Specify how many numbers to generate — from 1 to 100. The tool adapts to your choice.
03
Start generation
Press the button. The cryptographically secure algorithm creates random 4-digit numbers.
04
Copy the result
Numbers are displayed instantly. You can copy them one by one or all at once.
Applications
Where 4-digit numbers are needed
4-digit numbers are used for codes, passwords, and identifiers.
Access codes
4-digit codes for SMS verification, two-factor authentication, and temporary passwords.
Promo codes
Unique 4-digit promo codes for promotions and discounts. Easy to generate and distribute to customers.
Identifiers
Random IDs for test data, order numbers, and temporary DB identifiers.
Games
Generate 4-digit numbers for games, quests, and puzzles with numeric combinations.
Advantages
4-Digit Number Generator
9,000 possible combinations — reliable randomness.
Guaranteed digit length
Each number has exactly 4 digits. Leading zeros are preserved: 0001.
Zero-knowledge architecture
Client-side generation. Numbers are not sent to the server. Complete privacy.
Instant copying
Each number is a clickable chip. Copy individually or as a list in the desired format.
No limits
Generate as many times as you want. Completely free tool, no registration required.
Frequently Asked Questions
About 4-digit numbers
What is a 4-digit number?
It is a number from 1000 to 9999, always displayed with 4 digits. Leading zeros are preserved: 0001.
How many 4-digit numbers are there?
Exactly 9,000 — from 1000 to 9999. Each number has an equal chance of appearing.
Why are leading zeros needed?
Leading zeros are important for access codes and fixed-length identifiers. The number 042 displays as 042, not 42.
Do numbers repeat?
Each generation is an independent random sample. Numbers may repeat across different sessions.