Base64 Encode / Decode

A simple, fast, and free tool to encode or decode Base64 directly in your browser.

🔧 What Is Base64?

Base64 is an encoding system that converts any kind of data (text, binary, images, etc.) into ASCII characters.
It’s widely used in web development, lightweight cryptography, token handling, data storage, and secure transmission.

🎯 Why Use This Tool?

• No data is sent anywhere: everything runs client-side in your browser
• Free, fast, and ad-free
• Encoder and decoder in a single interface
• Works on all modern browsers
• Useful for developers, students, administrators, and curious users

⚙️ How It Works

1. Enter your text (or Base64 content).
2. Click Encode to convert it into Base64.
3. Click Decode to convert Base64 back to plain text.
4. The result instantly appears below the input field.

🧪 Example

Input text:

Hello world!

Encoded to Base64:

SGVsbG8gd29ybGQh

Decoded:

Hello world!

📌 Common Use Cases

• Generate or read encoded tokens
• Manipulate data in REST APIs
• Inspect or transform encoded content

🔒 Privacy

No data ever leaves your browser:
the encoding and decoding process is 100% client-side, ensuring full confidentiality.

📥 Use the Tool

Enter your text, choose an action, and let the Base64 magic happen!