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Octal to Binary converter

Convert Octal values to Binary in your browser. Paste input, adjust options if needed, then copy the result—nothing is uploaded to our servers.

From Octal:

↔ Switch Formats
BinaryHexadecimalDecimalText

To Binary:

HexadecimalDecimalTextOctal

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Examples

Input Output Note
10 1010 Sample conversion

FAQ

How to convert Octal to Binary?
Enter your Octal data, select options, then convert. Copy the result from the output box.
Does conversion run locally?
Yes. Base and encoding conversions run in your browser and are not uploaded to our servers.

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Instructions

  1. Paste or type your Octal data in the input box.
  2. Choose options if needed (grouping, prefix, endianness, encoding).
  3. Click Convert and review the Binary result.
  4. Copy the output. Everything runs locally in your browser.

Format Description

Octal

Octal uses 8 digits (0-7) and is primarily used in some traditional computer systems and Unix file permissions.

  • Uses digits 0-7
  • Widely used in early computer systems
  • Each octal digit represents 3 binary bits
  • Often uses '0' prefix, such as '0o755'

Binary

Binary is the most basic representation of data in computing, using only 0s and 1s.

  • Each bit can only be 0 or 1
  • Forms the foundation of all digital systems
  • Usually grouped in 8-bit bytes
  • Can be represented with a prefix like '0b101010'