UtiLive.dev
Fast, privacy-friendly developer utilities
Base64 Text
Encode and decode Base64 for text safely in your browser.
Features
•
Bidirectional Conversion:
Encode text to Base64 and decode Base64 to text
•
Unicode Support:
Handles special characters and international text
•
Real-time Processing:
Instant encoding and decoding
•
Error Handling:
Graceful handling of invalid Base64 input
•
Copy to Clipboard:
Easy copying of encoded/decoded results
Common Use Cases
•
Data Transmission:
Encode binary data as text for safe transmission
•
API Authentication:
Encode credentials in HTTP headers
•
Data Storage:
Store binary data in text-based formats
•
URL Parameters:
Encode data for use in URLs
•
Email Attachments:
Encode files for email transmission
Quick Examples
Show Examples
Base64 Converter
Plain Text
Base64
Encode →
← Decode
Technical Information
Base64 Encoding
• Uses 64 printable ASCII characters (A-Z, a-z, 0-9, +, /)
• Pads with = characters if needed
• Increases data size by approximately 33%
• Safe for transmission in text-based protocols
Character Set
•
A-Z
(26 characters)
•
a-z
(26 characters)
•
0-9
(10 characters)
•
+
and
/
•
=
(padding character)