Created by Browserling
This online utility replaces individual digits in an integer with new values and prints the modified integer to the screen. You can adjust the replacement values for each digit from 0 to 9. The replacement value can be a new digit, a letter, a whole word, and even an emoji. By default, all digits are replaced simultaneously but you can also choose a two-pass mode that replaces already replaced digits the second time. Created by math nerds from team Browserling.
With this browser-based program, you can replace digits in one or more integers. In the options above, there are ten digit replacement cells, each corresponding to one of the digits from 0 to 9. By entering a character in the cell, the corresponding digit is replaced by this character. For example, you can turn an integer "2822" into a binary value "1011" by replacing the digit 2 with 1 and the digit 8 with 0. You can replace the digits not only with new digits but with any other symbol. For example, you can map digits to letters: 1 to "a", 2 to "b", and 3 to "c", etc. In this case, if your input integer is "123", you will get textual data "abc" in the output. You can also replace digits with different Unicode pseudodigits and create unusual integers such as "𝟙𝟚𝟛" or "①❷⓷". By default, all digits are substituted independently at once and the new values are not substituted another time. You can change this behavior if you enable the recursive "Two-pass Mode" option. When enabled, it performs the digit replacement gradually, allowing repeated character substitutions. For example, if you enter the integer "12" and configure the following replacement mapping: 1 to "2", 2 to "3", then with the two-pass option turned off, you will get the result "23" (instant replacement of all digits), however with the two-pass option turned on, the result will be "33" because the first 1 is replaced by 2, which creates an integer "22", and then 2 is replaced by 3, which creates the integer "33". Integerabulous!
In this example, someone sent us a long integer that secretly encodes a binary value in its base-10 digits. The hidden binary value was encoded using the following scheme: the even digits represent binary zeros and the odd digits represent binary ones. In order to decode this value, we replace the digits 02468 with 0 and the digits 13579 with 1. After replacing the digits, we find the secret binary, which turns out to be equal to the 25th Fibonacci value (integer 75025).
In this example, we decided to rewrite the granny's pancake recipe that was passed down from generation to generation. The original recipe used numerical values for the ingredient amounts but we decided to use words. We entered the word "one" in the replacement field for the digit 1 and the word "two" in the digit 2 field. Thus, in the output, we got an updated recipe with just words.
In this example, we create an original numerical puzzle for children. We write down three simple equations with integers in the input and then replace the digits with funny Unicode characters. We replace the integer 2 with an alien emoji 👽, the integer 3 with a ghost emoticon 👻, and the integer 5 with a robot glyph 🤖. In the output, it's difficult to understand which emoji corresponds to which integer, so you need to solve the equations to find it out.
In this example, we have enabled the recursive two-pass mode that does a gradual digit replacement. First, we replace all 0s with 1s (intermediate result is 11234), then replace 1s with 2s (intermediate result is 22234), then replace 2s with 3s (intermediate result is 33334), and finally replace the 3s with 4s (final value is 44444).
You can pass input to this tool via ?input query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!
Quickly rewrite integer digits using pretty Unicode glyphs.
Quickly generate random two-dimensional integer points.
Quickly generate random three-dimensional integer points.
Quickly print a list of integers that are palindromes.
Quickly convert the given integer to a palindromic integer.
Quickly find all integers in the given text or string.
Quickly make integer digits go in a triangle wave.
Quickly unleash the destructive force of Zalgo on integers.
Quickly find two or more integers that add up to the given integer.
Quickly find several integers that multiply up to the given integer.
Quickly randomize the given sequence of integers.
Quickly mix the order of digits in an integer.
Quickly put integers in increasing or decreasing order.
Quickly sort the individual digits of an integer.
Quickly increase all integers by a certain amount.
Quickly increase individual digits by a certain amount.
Quickly decrease all integers by a certain amount.
Quickly decrease individual digits by a certain amount.
Quickly randomly select an integer from a list of integers.
Quickly create groups from the digits of an integer.
Quickly write integer digits backwards.
Quickly remove one or more digits from an integer.
Quickly replace one or more digits in an integer.
Quickly drop digits from an integer and make it shorter.
Quickly add the thousands separator to integers.
Quickly remove the thousands separator from integers.
Quickly find the largest integer in a list of integers.
Quickly find the smallest integer in a list of integers.
Quickly find the total sum of a bunch of integers.
Quickly find the sum of all the digits in an integer.
Quickly find the total product of a bunch of integers.
Quickly find the product of all the digits in an integer.
Quickly calculate the partial sum of a bunch of integers.
Quickly calculate the partial product of a bunch of integers.
Quickly flip the sign of one or more integers.
Quickly split an integer into chunks of a given length.
Quickly merge partial integers together to form a larger integer.
Quickly round integers up or down to the required precision.
Quickly convert integers to a downloadable picture.
Quickly generate a list of von Neumann ordinals.
Quickly generate a list of Zermelo ordinals.
Quickly generate an ordered sequence of integers.
Quickly generate an ordered list of even integers.
Quickly generate an ordered list of odd integers.
Quickly write an integer spelling in words.
Quickly convert spelled integers to regular integers with digits.
Quickly generate an array of integers for programming.
Quickly find the number of occurrences of digits in integers.
Create a drawing that visualizes von Neumann hierarchy of sets.
Create a sudoku puzzle.
Create a list of neat-looking integers (called magic integers).
Generate a list of tuples of integers with n elements.
Quickly convert integers to base one.
Quickly convert base one to integers.
Quickly convert integers to base two.
Quickly convert base two to integers.
Quickly convert integers to base eight.
Quickly convert base eight to integers.
Quickly convert integers to base sixteen.
Quickly convert base sixteen to integers.
Quickly encode integers to base-64.
Quickly decode base-64 to integers.
Quickly convert integers to a custom base.
Quickly encode integers to HTML encoding.
Quickly decode HTML entities to integers.
Quickly encode integers to URL (percent) encoding.
Quickly decode URL-encoded integers.
Quickly convert a signed integer to an unsigned integer.
Quickly convert an unsigned integer to a signed integer.
Generate a list of random integers.
Check if the given integers are palindromes.
Create a matrix whose entries are all integers.
Create a vector with integer coefficients.
Quickly calculate the average value of integers.
Quickly calculate the average value of integer digits.
Quickly randomly select a digit from an integer.
Find which of the given integers is the biggest or smallest.
Limit integer values to a range.
Limit integer digit values to a range.
Create multiple copies of the input integers.
Create multiple copies of digits of input integers.
Rotate the digits of an integer to the left or right.
Move the digits of an integer to the left or right.
Quickly find the difference of a bunch of integers.
Quickly apply the bitwise AND operation to integers.
Quickly apply the bitwise OR operation to integers.
Quickly apply the bitwise XOR operation to integers.
Quickly apply the bitwise NOT operation to integers.
Quickly apply the bitwise NAND operation to integers.
Quickly apply the bitwise NOR operation to integers.
Quickly apply the bitwise NXOR operation to integers.
Quickly divide two or more integers.
Quickly divide the digits of an integer.
Add -st, -nd, -rd, -th suffixes to integers to make them ordinals.
Remove -st, -nd, -rd, -th suffixes from ordinals to make them ints.
Find integers that match a filter (greater, less, equal).
Add padding to integers on the left side.
Add padding to integers on the right side.
Position all integers so that they align on the right.
Position all integers so that they align in the middle.
Turn all integers into positive integers.
Turn all integers into negative integers.
Rewrite an integer in fractional form.
Extract the numerator and denominator from a fraction.
Search for all occurrences of an integer and replace it.
Create a regex that matches the given integers.
Create integers that match the given regular expression.
Create relatively tiny integers.
Create relatively huge integers.
Create a sequence of oscillating integers, such as 123212321.
Create multiple integer sequences at once.
Slightly change an integer so it has an error.
Slightly change integer digits so there are errors.
Apply fuzzing to integers and add perturbations.
Apply fuzzing to integer digits and add digit perturbations.
Add highlighting to certain integers.
Add highlighting to certain integer digits.
Add color to integers based on a condition.
Add color to individual digits in the given integers.
Quickly assign colors to integers and draw them as pixels.
Quickly assign integer values to pixel colors and print them.
Make the digits of an integer go in a spiral shape.
Make the digits of an integer go in a circle.
Make the digits of an integer go in a diamond shape.
Fill a box with certain width and height with digits.
Use ASCII art to convert integers to 2-dimensional drawings.
Use ASCII art to convert integers to 3-dimensional drawings.
Decompose an integer into ones, tens, hundreds, etc.
Generate an ordered list of increasing integers.
Generate an ordered list of decreasing integers.
Quickly find various information about the given integers.
Find hidden patterns of numbers in integers.
Find the Shannon entropy of an integer.
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