README.md

base64-cli

A small Java tool that encodes and decodes Base64 strings from your terminal.

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Getting Started

Compile:

javac Main.java

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Usage

CLI Mode

Pass the command and input directly:

java -cp . Main encode "hello world"
java -cp . Main decode "aGVsbG8gd29ybGQ="

Interactive Mode

Run without arguments and the tool will prompt you:

java -cp . Main

Base64 CLI — Interactive Mode
Choose action (encode/decode): encode
Enter text: hello world
Encoded: aGVsbG8gd29ybGQ=

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Example

$ java -cp . Main encode "hello world"
Encoded: aGVsbG8gd29ybGQ=

$ java -cp . Main decode "aGVsbG8gd29ybGQ="
Decoded: hello world