Caesar cipher

This tool rotates A–Z characters while preserving case and non-letter characters. The complete operation runs in temporary browser memory, so the input is never uploaded or stored by LocalKit.

Local processing
Local processing
Ready — nothing leaves this page
Input
Settings
Run tool

Browser memory only. No upload fallback.

Result
Your result will appear here

The input stays available if you need to adjust a setting.

How to use caesar cipher

  1. 1

    Add the source values or files shown in the workbench.

  2. 2

    Choose the settings for caesar cipher.

  3. 3

    Run the tool, inspect the local result, then copy or download it.

A realistic example

Shift `LocalKit` by 3 for a classroom cipher demonstration. The source and generated result remain in this browser tab throughout the operation.

Supported formats and limits

Input and output: UTF-8 text; Latin letters are transformed.

  • A Caesar cipher is trivially reversible and must not protect sensitive information.
  • Available memory and browser limits still apply to very large inputs.

Questions people ask

What does caesar cipher change?

This tool rotates A–Z characters while preserving case and non-letter characters.

Is any input sent to a server?

No. LocalKit performs this operation in your current browser tab.