Binary Converter

Binary Converter

10,000 - 50,000 downloads

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Simple Binary Converter and Base Converter.


Input a binary number and choose your encoding (signed, unsigned, one's complement, two's complement) or input a decimal or hexadecimal number and it will calculate for you the:

•Binary Value (Base 2)
•Octal Value (Base 8)
•Decimal Value (Base 10)
•Hexadecimal Value (Base 16)

N-Bit Binary Representation for:
•One's Complement
•Two's Complement
•Excess-K / Offset binary

You can change the number of bits used in the settings (default is 16 bits).

The number is out of range or cannot be represented (e.g negative number and unsigned) the text will change to red. Green text means that the number is represented correctly.

If the number is outside the range (i.e too large to represent with N-bits) it will truncate it.

Useful for students. If you want features or have problems contact (email below). 5* ratings are always appreciated (this app is advert free and something I just made for fun)


I'll be adding a AND,OR,NAND,NOR,XOR,XNOR binary logic calculator soon.

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Recently changed in this version

Custom Fonts (you can disable them)
Convert to Octal (Convert from Octal still on the way)
Changed the layout and increased the font size
Fixed an issue where the range of two's complement wasn't being correctly colour coded (if the number was negative)
Added support for numbers > 2^32
Added Excess K / Offset Binary
Fixed icon size being displayed incorrectly on older devices

Comments and ratings for Binary Converter
  • (66 stars)

    by J Santarsiero on 16/03/2014

    Taking digi-elec this semester and this app has been a huge help for checking answers and sharpening my bin hex skills. The options are great and the interface is no hastle. No gripes here. Thank You so much for the help.

  • (66 stars)

    by Jackie Gomes on 12/02/2014

    I had all my Bin, Oct, and Hex questions, answered.

  • (66 stars)

    by Bryan Cardenas on 19/01/2014


  • (66 stars)

    by Mark Galvez on 10/01/2014

    This is speedy and straight to the point. Once you input the value, you get the result right away. It would be nice to see how floating point values are stored but since I haven't the skill set, I can't complain much.

  • (66 stars)

    by Enoch Boateng on 27/12/2013

    Good work.

  • (66 stars)

    by Eric Haugen on 22/12/2013

    No spec permissions :)

  • (66 stars)

    by Brian Otts on 17/12/2013

    I finally saw that the app does indeed show the octal representation of numbers. I know that it's easy enough to convert from binary to octal, but still, it seems like an easy enough fix to add the functionality to enter octals and convert.