Encode text to Base64 and decode Base64 to text instantly. Perfect for data encoding, web development, and API integration with real-time conversion and validation.
Real-time encoding and decoding without server requests. Everything happens instantly in your browser for maximum speed.
Your data never leaves your browser. All encoding and decoding happens locally, ensuring complete privacy and security.
Works perfectly on desktop, tablet, and mobile devices. Use it anywhere with a modern web browser.
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used in web development, email systems, and data storage where binary data needs to be transmitted over text-based protocols.
Convert plain text to Base64 encoded string with full UTF-8 character support including emojis and special characters.
Convert Base64 encoded strings back to readable text with automatic validation and error detection.
Instant encoding and decoding as you type with live preview and automatic updates without page refresh.
Automatic validation of Base64 strings with clear error messages for invalid input and formatting issues.
One-click copy functionality for both input and output with success notifications and error handling.
Full Unicode support for international characters, emojis, and special symbols with proper encoding handling.
Base64 uses a set of 64 characters: A-Z, a-z, 0-9, +, and / with = as padding. This ensures the encoded data can be safely transmitted over text-based protocols that might not handle binary data correctly.