Random number generator 1-4 — Rapido
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
Number generator for lottery 1-4 — Rapido
The number generator for lottery 1-4 creates random combinations according to the Rapido format rules: 1 number from range 1–4. Rapido is a fast lottery with a minimum number of numbers. Just 1 number out of 4.
Each combination contains exactly 1 unique number from 1 to 4. Numbers do not repeat within a single combination. The generator strictly follows lottery rules.
The cryptographically strong API Crypto.getRandomValues() ensures true randomness. Zero-knowledge architecture — combinations are generated on your device and are not sent to the server.
Features
- Exact compliance with lottery rules: 1, 4
- Customizable number of combinations
- No repetitions within a combination
- Zero-knowledge: data never leaves the device
- Cryptographically strong API — true randomness
- Instant copy of one or all combinations
How it works
Create a 1-4 combination in four steps
The intuitive interface lets you get results in seconds.
01
Choose the format
The 1-4 format is already selected. The algorithm is configured for this lottery’s rules: 1 number out of 4.
02
Set the quantity
Specify how many combinations to generate — from 1 to 100. The tool adapts to your choice.
03
Start generation
Press the button. The cryptographically strong algorithm creates random combinations that comply with the rules.
04
Copy the result
Combinations appear instantly. You can copy them one by one or all at once.
About the format
Format 1-4
Format 1-4: 1 random number from range 1–4. Total possible combinations: 4.
Number of combinations
Number of possible combinations: 4 — exactly that many unique sets can be made in this format.
Probability to guess
The probability of guessing all numbers is 1 in 4. The more numbers you need to guess, the lower the probability.
Fair randomness
Each combination is generated via Crypto.getRandomValues(). No pseudorandom algorithms or rigging.
Zero-knowledge
Combinations are generated on your device and are not sent to the server. Complete privacy.
Benefits
Why choose format 1-4
4 unique combinations — each has equal chances.
Proven rules
Format 1-4 is used in official lotteries. The generator strictly follows the rules: exactly 1 number from range 1–4.
Zero-knowledge architecture
Client-side generation. Combinations never leave your device. Impossible to intercept or tamper with.
Easy copying
Each combination is a clickable chip. Copy one by one or all at once in the desired format.
Endless combinations
Each generation creates unique combinations. Repetition is practically impossible.
Frequently asked questions
About format 1-4
What does format 1-4 mean?
Format 1-4 means that 1 random number is selected from the range of 1 to 4. Each number appears only once within a single combination.
How many combinations can be created?
Total number of unique combinations: 4. Each generation creates a random selection from this set.
Can it be used for a real lottery?
Yes, the combinations comply with the format 1-4 rules. However, the generator does not guarantee a win — these are random numbers, not a prediction of results.
How are combinations different from random numbers?
In format 1-4, numbers do not repeat within a combination and strictly adhere to the 1–4 range. A regular generator may produce repeating numbers.