Developer Tool
Base64 Encoder
Encode and decode Base64 strings instantly. Supports text and file encoding with live preview.
⚡
Instant conversion
🔒
100% private
🆓
Free forever
📱
Mobile ready
How to Use
Choose Mode
Select Encode or Decode.
Enter Data
Type text or upload a file.
Copy Result
Copy the converted output.
Key Features
Text & File
Encode text strings or binary files
Live Preview
See output as you type
Analytics
20+ performance metrics
Supported Formats
Privacy & Security
Client-Side
All encoding happens in your browser.
No Upload
Your data never leaves your device.
No Tracking
Zero data collection.
Related Tools
FAQ
Start Encoding
About Base64 Encoding
Base64 encoding converts binary data into a text format using 64 printable ASCII characters (A-Z, a-z, 0-9, +, /). It's commonly used for embedding images in HTML/CSS, transmitting binary data over text-based protocols like email (MIME), and encoding authentication credentials in HTTP headers. Our tool provides instant encoding and decoding with real-time analytics, all processed locally in your browser for maximum privacy and speed.