Rotate left

Rotate left: Rotates each byte to the left by the number of bits specified, optionally carrying the excess bits over to the next byte.

Free · No sign-up required

Text input

Your result is ready to copy or download after running.

Tool options

About Rotate left

Rotates each byte to the left by the number of bits specified, optionally carrying the excess bits over to the next byte. Currently only supports 8-bit values.

Input: binary bytes. Output: binary bytes.

Format reference: Rotate left background and specification

Example

Use “Try example” to load this public sample and its settings, then run it.

Settings used in this example
ParameterExample valueInput and choices
Amount1Number
Carry throughfalseOn or off

Input

Sample file · 6 bytes

Download the sample

Result

hex

c2 c4 c6 62 64 66

Parameters

ParameterDefault valueInput and choices
Amount1Number
Carry throughfalseOn or off

Before interpreting the result

Confirm the number base, delimiter and bit width before comparing results. Signed integers, byte strings and floating-point numbers have different representations and precision limits.

How to use this page

  1. Paste your input or open a local file.
  2. Adjust tool options if needed, then choose Run tool.
  3. Copy the result or download the original output bytes.

Inputs and results are not added to the public catalogue or saved in the URL. Processing happens in your browser; HTTP Request and DNS over HTTPS send the requests you explicitly run. Files up to 128 MiB can be opened; decompression and image tools may have smaller processing limits. Large results have a shortened preview. Text and HTML downloads use UTF-8; binary downloads preserve output bytes. Pasted text follows browser newline handling; open a file when exact input bytes matter.

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