Text Base64 Encoder & Decoder
Encode text to Base64 and decode Base64 strings back to text. Simple, fast, and private browser-based tool.
Enter Text
Base64 Output
Original length: 0 Base64 length: 0
Paste Base64 String
Decoded Text
Base64 length: 0 Decoded length: 0
How to Use Text Base64
Encode text to Base64 or decode Base64 strings back to text instantly.
1
Enter Text
Type or paste your text into the input area.
2
Click Encode
Click the encode button to convert your text to Base64.
3
Copy or Download
Copy the result to clipboard or download as a text file.
Key Features
Instant Encoding
Convert text to Base64 instantly in your browser with no server uploads.
Instant Decoding
Decode Base64 strings back to text instantly in your browser.
Length Display
View original and encoded text lengths at a glance.
Privacy First
All processing happens in your browser. Your text never leaves your device.
Frequently Asked Questions
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used to encode data for transmission over media designed to deal with text.
Base64 encoding is used to safely transmit data over networks that only support text. It ensures binary data remains intact during transfer without modification.
Yes! All processing happens entirely in your browser using JavaScript. Your text is never uploaded to any server, ensuring complete privacy.