Number base converter
Convert integers exactly between bases 2–36, including negative and very large values, with common base results shown together.
Random integer generator
Generate random integers in an inclusive range, with unique results, sorting and support for numbers beyond JavaScript’s safe integer range.
About this tool
Generate random integers in an inclusive range, with unique results, sorting and support for numbers beyond JavaScript’s safe integer range.
How to use
Set the minimum, maximum and quantity, then generate a batch. Enable no repeats for sampling without replacement, and optionally sort the result. Copy the list or download it as text. Changing settings clears the old batch until you generate again.
Uses cryptographically secure browser randomness and unbiased sampling. Both endpoints are included. Generate up to 10,000 values; a unique batch cannot exceed the range. Each endpoint allows 256 digits and the range size allows 100 digits.
Related tools
Unit converter
Convert length, mass, area, volume, temperature, speed, data size and time, with editable values on both sides.
Percentage calculator
Find a percentage of a number, calculate what share a part represents, or measure the percentage change between two values.
Date difference calculator
Count calendar days between dates, or add and subtract days from a date, with an option to skip weekends.
Comments
0