Tool Workspace
Enter content, process with one click
输入文本
处理结果
1Introduction
Caesar Cipher encrypts text by shifting letters a set number of positions, turning plaintext into seemingly meaningless ciphertext. It runs locally in your browser; no data is uploaded.
2How to Use
1
Enter Plaintext
Paste or type the original text to encrypt.
2
Set Shift
Adjust the letter shift from 1 to 25 via slider or input.
3
Encrypt
Click encrypt and the substituted ciphertext appears.
3FAQ
Can Caesar Cipher handle Chinese?
No. Caesar cipher only shifts English letters; Chinese, digits and symbols remain unchanged.
Is my text uploaded?
No. The tool runs entirely in your browser; all encryption happens on your device.
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