Base64 Encode & Decode Online
Easily encode or decode Base64 strings directly in your browser.
System Ready
How to use?
Paste Your Text
Paste plain text or Base64-encoded data into the editor.
Encode or Decode
Choose whether to encode text to Base64 or decode Base64 to text.
Copy the Result
Copy the encoded or decoded output for use in your application.
Use cases
How this tool can help you in real-world scenarios
🔌 API Data Encoding
Encode request payloads or decode responses when working with APIs that require Base64 data.
🔐 Authorization Headers
Generate Base64 strings for HTTP Basic Authentication headers.
🧑💻 Development & Debugging
Developers can quickly encode or decode Base64 while debugging applications.
📦 Data Transmission
Safely transmit binary or special-character data as text using Base64 encoding.
🧪 Learning & Testing
Understand how Base64 encoding and decoding works using real examples.
Frequently Asked Questions
What is Base64 encoding?
Base64 encoding converts binary or text data into a text-based format using ASCII characters. It is commonly used to safely transmit data over systems that only support text.
What is Base64 decoding?
Base64 decoding converts encoded Base64 strings back into their original plain text or binary form.
Is my data uploaded to a server?
No. All Base64 encoding and decoding happens locally in your browser. Your data is never uploaded or stored.
Does Base64 provide encryption?
No. Base64 is not encryption. It only encodes data for safe transport and can be easily decoded.
Do I need to install anything?
No installation is required. This Base64 tool works directly in modern browsers.