Latest Tools

Got a string full of percent-encoded characters like %20, %3F, or %21? This tool decodes that URL-encoded mess and spits out the actual integer values for each character so you…

Trying to pull numbers from messy text? This tool grabs every standalone integer including negatives and zero and gives you a clean, customizable list. Whether you want it comma-separated, one-per-line,…

Need to turn a Base64 string into a list of integers? The Convert Base64 to Integers tool makes that easy. Just paste in your encoded text, and it decodes it,…

Need to turn a list of numbers into HTML entities? The Convert Integers to HTML Entities tool takes any set of integers and transforms them into their &#…; equivalents. You…

The Generate von Neumann Ordinals tool lets you create a list of von Neumann-style ordinals up to any non-negative number you type in. These are sets where each number is…

The Join Integers tool takes a list of numbers and combines them into a single line using whatever delimiter you want. It’s perfect for converting newline-separated integers into a CSV…

The Center Integers tool takes a list of numbers and centers each one inside a fixed-width string. You pick the total width, choose a padding character, and it handles the…

The Generate Oscillating Integers tool creates sequences that bounce between a minimum and maximum value like 1 to 5 and back, repeated as many times as you need. You control…

The Convert Integers to Hex Base tool transforms plain integers into hexadecimal values instantly. Just paste a list of numbers and the tool handles the rest with options to use…

Divide Integer Digits takes numbers and splits each one into its individual digits. You can pick how those digits get joined with commas, spaces, line breaks, or your own custom…

Print Decreasing Integers quickly generates a list of numbers counting down from a start value to an end value. You get full control over the step size, whether to include…

Generate Zermelo Ordinals creates nested set representations of the natural numbers, based on the Zermelo construction. Starting from ∅, each ordinal is formed by nesting the previous one in a…

Generate Small Integers is a quick way to produce random integers between any min and max range you set. Whether you’re testing, teaching, or building a dataset, you can instantly…

Need to clean up a list of fractions fast? Convert Fractions to Integers lets you paste or import any mix of fractions and whole numbers and instantly get clean integers…

Convert HTML Entities to Integers is a lightweight browser tool that takes HTML numeric entities like A or emojis and converts them to their corresponding Unicode code point integers. Whether…

Multiply Integers is a simple browser tool that multiplies each number in your list by a value you choose. Whether you want to double, halve, negate, or scale a batch…

Increment Integer Digits is a fast browser tool that increases each digit of every number you enter turning 123 into 234, or 908 into 019. You can choose whether 9…

Shuffle Integer Digits is a fast, browser-based tool that takes any list of integers and randomly reorders the digits of each number. It supports negative numbers, handles duplicates if needed,…

Print Integer Information is a browser-based tool that gives you detailed stats about any list of integers. You can paste numbers or import a file, and it’ll show you each…

Convert an Integer to Ordinal is a fast, browser-based tool that turns numbers into words like 1st, second, or Twenty-second. It’s ideal when you want cleaner, more natural output for…