# Binary adder

## World's simplest binary tool

Free online binary sum calculator. Just load your binary values and they will automatically get added together. There are no ads, popups or nonsense, just an awesome binary adder. Load binary values – get a binary sum. Created for developers by developers from team Browserling.

We put a browser in your browser!
Browserling

Check out our project Browserling – get a browser in your browser.

A link to this tool, including input, options and all chained tools.

Can't convert.

Binary adder tool
What is a binary adder?

This utility calculates the sum of binary numbers in your browser. You can input as many binary numbers as you like. By default, numbers can be entered one per line but if your numbers are separated by another symbol, then you can adjust it in the input settings options. The input numbers can be of any length but they can only contain 0's and 1's. The length of the output sum can be changed via the output padding option. You can also add a binary prefix or postfix indicator to the output number and display the decimal value of the binary number in parentheses next to it. If you're adding several binary numbers at once, you can use the option that displays their progressive summation. Simple and easy!

Binary adder examples
Click to use

Add Two Binary Numbers

This example adds together two nine-digit binary numbers. The result overflows and you get a ten-digit number as their sum.

111111111
000000001

1000000000

**Required options**

Specify the character to split
the input binary numbers.

Output padding length – add
zeros before the binary.

Display binary number's
decimal value next to it.

If multiple numbers are being
summed, then output their
partial sum.

Sum Many Binary Numbers

This example calculates the sum of a bunch of binary numbers. They are entered as a comma-separated list, so we adjust the input delimiter to be the comma character. We also set the desired output length to be 8 and add a lowercase binary prefix "0b" before the output.

0001, 0001, 0001, 0001, 0001, 0001, 0001, 0001

0b00001000

**Required options**

Specify the character to split
the input binary numbers.

Output padding length – add
zeros before the binary.

Display binary number's
decimal value next to it.

If multiple numbers are being
summed, then output their
partial sum.

Running Binary Sum

In this example, we wanted to see how the sum progresses as we sum the first ten binary numbers. To do that, we activated the option "Print Running Sum", which displays all partial sums of the addition process as it happens. As you can see, the first partial sum is 1, the second is 3 (1+2), the third is 6 (1+2+3), etc. We also specified the output padding length of 10, added a subscript binary postfix "₂", and printed decimal values next to binary numbers so that we knew what was happening at each step.

1
10
11
100
101
110
111
1000
1001
1010

0000000001₂ (1)
0000000011₂ (3)
0000000110₂ (6)
0000001010₂ (10)
0000001111₂ (15)
0000010101₂ (21)
0000011100₂ (28)
0000100100₂ (36)
0000101101₂ (45)
0000110111₂ (55)

**Required options**

Specify the character to split
the input binary numbers.

Output padding length – add
zeros before the binary.

Display binary number's
decimal value next to it.

If multiple numbers are being
summed, then output their
partial sum.

Pro tips
Master online binary tools

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!
https://onlinebinarytools.com/add-binary-numbers

__?input__=111111111%0A000000001&input-separator=%5Cn&padding-length=0&prefix=without-prefix&running-sum=false&show-decimal=false
All binary tools

Quickly convert ASCII characters to binary numbers.

Quickly convert binary numbers to ASCII characters.

Quickly convert UTF8 characters to binary bits.

Quickly convert binary bits to UTF8 characters.

Quickly generate random binary values.

Quickly create an image from a binary number.

Quickly convert binary numbers to octal numbers.

Quickly convert octal numbers to binary numbers.

Quickly convert binary numbers to decimal numbers.

Quickly convert decimal numbers to binary numbers.

Quickly convert binary numbers to hexadecimal numbers.

Quickly convert hexadecimal numbers to binary numbers.

Quickly convert octal values to BCD values.

Quickly convert BCD values to octal values.

Quickly convert decimal values to BCD values.

Quickly convert BCD values to decimal values.

Quickly convert hex values to BCD values.

Quickly convert BCD values to hex values.

Quickly convert an IP address to a binary IP address.

Quickly convert a binary IP address to a human readable IP.

Quickly convert an IPv6 address to a binary IPv6 address.

Quickly convert a binary IPv6 address to a human readable IPv6.

Quickly convert a string to binary values.

Quickly convert binary values to a string.

Quickly convert binary numbers to reflected binary numbers.

Quickly convert reflected binary numbers to binary numbers.

Quickly convert octal numbers to reflected binary numbers.

Quickly convert reflected binary numbers to octal numbers.

Quickly convert decimal numbers to reflected binary numbers.

Quickly convert reflected binary numbers to decimal numbers.

Quickly convert hexadecimal numbers to Gray code.

Quickly convert Gray code to hexadecimal numbers.

Quickly calculate the sum of a bunch of binary values.

Quickly calculate the difference of a bunch of binary values.

Quickly calculate the product of a bunch of binary values.

Quickly convert a negative number to a binary representation.

Quickly convert a negative binary number to a decimal number.

Quickly convert base 2 numbers to base -2.

Quickly calculate bitwise AND of a bunch of binary values.

Quickly calculate bitwise NAND of a bunch of binary values.

Quickly calculate bitwise OR of a bunch of binary values.

Quickly calculate bitwise NOR of a bunch of binary values.

Quickly calculate bitwise XOR of a bunch of binary values.

Quickly calculate bitwise XNOR of a bunch of binary values.

Quickly calculate bitwise NOT of a bunch of binary values.

Quickly find the number of high bits in binary values.

Quickly find the number of low bits in binary values.

Quickly invert bits of binary numbers.

Quickly reverse the order of bits in binary numbers.

Quickly convert plain text to binary values.

Quickly convert binary numbers to plain text.

Quickly randomize the order of bits in binary numbers.

Quickly rotate bits in binary numbers to the left or right.

Quickly shift bits of a binary number to the left.

Quickly shift bits of a binary number to the right.

Coming soon
These binary tools are on the way

Create a File from Binary Values

Convert binary numbers to a binary file.

Binary Dump a File

Create a binary dump of files in your browser.

Convert Binary to Arbitrary Base

Convert binary values to any base (up to base 64).

Convert Binary to Roman Number

Convert binary numbers to Roman numerals.

Convert Roman Number to Binary

Convert Roman numerals to binary values.

Generate a Binary Sequence

Create a list of increasing of decreasing binary numbers.

Binary Sheffer Stroke

Calculate bitwise sheffer stroke operator of binary values.

Convert Binary to BCD

Encode every binary bit as a binary coded decimal.

Convert BCD to Binary

Decode binary coded decimals to binary bits.

Divide Binary Numbers

Perform division operation on several binary numbers.

Rotate a Binary Right

Rotate bits of a binary number to the right.

Rotate a Binary Left

Rotate bits of a binary number to the left.

Extract Bits from Binary Numbers

Extract n-th bit from a binary number.

Calculate Parity

Count parity of a binary number.

Convert EBCDIC to Binary

Convert EBCDIC characters to binary values.

Convert Binary to EBCDIC

Convert binary bits to EBCDIC symbols.

Swap Binary Endianness

Change endianness of a binary number.

Convert Little Endian Binary to Big Endian Binary

Convert a binary number from little endian to big endian.

Convert Big Endian Binary to Little Endian Binary

Convert a binary number from big endian to little endian.

Convert a Floating Point Number to Binary

Find the binary representation of a floating point number.

Convert Binary Values to a Bitmap

Convert a binary string to a bitmap image.

Convert a Bitmap to Binary Numbers

Convert a bitmap image to zeros and ones.

Split Binary Values

Split a binary number into smaller binary numbers.

Join Binary Values

Join multiple smaller binary numbers into a single binary.

Slice Binary Values

Extract a part of a binary number.

Pad Binary Values

Add signed or unsigned padding to binary numbers.

Truncate Binary Values

Drop leading or trailing bits and make a binary value shorter.

Randomly Flip Binary Bits

Introduce random errors in binary values.

Analyze Binary Data

Print statistics of the input binary values.

Subscribe!
Never miss an update

Cool!

Notifications
We'll let you know when we add this tool

Cool!