# Random number generator

## World's simplest randomization tool

Free online random number generator. Just press a button and get your random number. There are no ads, popups or nonsense, just a random number generator. Press a button, get a random number. Created by developers from team Browserling.

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Random number generator tool
What is a random number generator?

This tool generates random numbers. It lets you set the number range, including negative numbers, and you can choose how many numbers to generate.

Random number generator examples
Click to use

Generate numbers in range -100 to 100

This example generates 10 random numbers in the range -100 to 100 and sets separator to the comma.

**Required options**

Start at this number.

End at this number.

How many numbers to generate?

Which character to separate
numbers with?
(Newline by default.)

Generate binary choices 0 and 1

This example generates 15 random binary numbers that are only zero and one.

**Required options**

Start at this number.

End at this number.

How many numbers to generate?

Which character to separate
numbers with?
(Newline by default.)

Generate fractional numbers

This example generates 8 fractional numbers between -1 and 1.

**Required options**

Start at this number.

End at this number.

How many numbers to generate?

Which character to separate
numbers with?
(Newline by default.)

Pro tips
Master online randomization tools

You can pass options to this tool using their codes as query arguments and it will automatically compute output. To get the code of an option, just hover over its icon. Here's how to type it in your browser's address bar. Click to try!

https://onlinerandomtools.com/generate-random-numbers?&range-start=-100&range-end=100&count=10&separator=%2C%20&whole-nums=true

All randomization tools

Randomly rearrange the letters in a string, sentence, or text.

Randomly shuffle the order of all words in the input data.

Randomly shuffle text lines and rearrange their order.

Randomly shuffle paragraphs and change their order.

Randomly pick an item from many items.

Quickly generate random passwords.

Quickly generate random numbers.

Quickly generate random bitmap images.

Quickly generate random strings.

Quickly generate random data that matches the given regular expression.

Quickly generate random integers.

Quickly generate random fractions.

Quickly generate a sequence of increasing or decreasing random integers.

Quickly generate random primes.

Quickly generate random binary numbers.

Quickly generate random octal numbers.

Quickly generate random decimal numbers.

Quickly generate random hexadecimal numbers.

Quickly generate random bytes.

Quickly generate random calendar dates.

Quickly generate random clock times.

Quickly generate random IPs.

Quickly generate random MAC addresses.

Quickly generate random UUIDs.

Quickly generate random GUIDs.

Quickly generate random JSON data structures.

Quickly generate random XML documents.

Quickly generate random CSV files.

Quickly generate random TSV files.

Coming soon
These randomization tools are on the way

Generate Random Digits

Generate a list of random digits.

Generate Random YAML

Generate random YAML markup.

Generate Random Pin Numbers

Generate a random pin number of any length.

Generate Random HTML

Generate random HTML code and HTML web pages.

Generate Random Text Files

Generate random plain text files.

Generate Random Binary Files

Generate random binary files.

Generate Random UTF8

Generate random UTF8 characters.

Generate Random Unicode Text

Generate a random Unicode string.

Generate Random HTML Tables

Generate random HTML tables with random values.

Generate Random LaTeX

Generate random LaTeX documents.

Choose a Random Image

Given a bunch of images, pick an image at random.

Generate Random Images

Generate random PNG/GIF/JPG/WEBP/BMP images.

Generate Random Audio

Generate random MP3 and WAV music files.

Generate Random Video

Generate random MP4 and AVI videos.

Generate Random Excel

Generate random Excel spreadsheets.

Generate Random RegExps

Generate random valid regular expressions.

Generate Random Words

Generate random English words.

Generate Random Sentences

Generate random English sentences.

Generate Random Locations

Generate random geographic places.

Generate Random Names

Generate random male and female names.

Generate Random Geographic Coordinates

Generate random latitudes and longitudes.

Generate Random URLs

Generate random web URLs.

Generate Random Emails

Generate random email addresses.

Generate Random Letters

Generate random alphabet letters.

Generate Random Colors

Generate a random set of colors.

Generate Random XY Coordinates

Generate random two dimensional (x, y) coordinates.

Generate Random XYZ Coordinates

Generate random three dimensional (x, y, z) coordinates.

Generate Random Vectors

Generate random mathematical vectors.

Generate Random Matrices

Generate random mathematical vectors.

Generate Random MD5 Hash

Generate random MD5 hash digests.

Generate Random SHA1 Hash

Generate random SHA1 hash digests.

Generate Random SHA2 Hash

Generate random SHA2 hash digests.

Generate Random URL-encoded data

Generate random percent-escaped URL data.

Generate Random Base64-encoded data

Generate random base64 data.

Randomize Character Case

Randomly change character case in text.

Shuffle Sentences

Randomly shuffle the order of sentences in text.

Shuffle Text Columns

Randomly change the order of columns in text.

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