Is the 4digits solver free?

Yes, it is free and ad-free and runs entirely in your browser.

How do I use the 4digits solver?

Enter each 4-digit guess (all distinct digits), set the A count (correct digit in the correct place) and B count (correct digit in the wrong place) that 4digits reported, and the tool narrows the candidate numbers to those consistent with every clue.

What is Bulls and Cows?

Bulls and Cows is a classic code-breaking game where you guess a secret number with distinct digits. A 'bull' (A) is a correct digit in the correct position; a 'cow' (B) is a correct digit in the wrong position. 4digits is a desktop version of it.

4digits Solver

Bulls & Cows Number Game Helper

A companion tool for 4digits - the classic Bulls & Cows number game (guess the secret 4-digit number with all distinct digits). Enter each guess, set the A (correct place) and B (wrong place) counts, then submit to narrow down candidates.

Type a 4-digit number to begin

How 4digits Works

4digits scores each guess as "xAyB" - the secret is a 4-digit number with all distinct digits:

1234 1A 2B

A = digits in the correct place B = right digit, wrong place

Enter your guess, set the A and B counts from 4digits, and submit. We'll narrow down the possibilities.

Suggested Guesses

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