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Base64 Encoder/Decoder
Encode and decode Base64 strings with support for text and file uploads
encodingdecodingbase64converter
Select Mode
Text to Encode
Encoded Result
About Base64 Encoder/Decoder
Base64 encoding is a method of converting binary data into text format using a specific set of 64 characters. This tool allows you to encode any text or file into Base64 format, or decode existing Base64 strings back to their original form. Perfect for web developers, system administrators, and anyone working with data transmission.
✨ Key Benefits
- Safe data transmission over text-based protocols
- Embed binary data in text formats like JSON or XML
- Store binary data in databases that only support text
- Encode images for data URIs in web development
🚀 Features
- Encode text to Base64 format
- Decode Base64 strings to original text
- File upload support for encoding binary files
- Real-time conversion as you type
- Copy results with one click
- UTF-8 and ASCII support
💡 Use Cases
- Embedding images in HTML/CSS as data URIs
- API authentication tokens
- Storing binary data in JSON
- Email attachment encoding
- Web development and data transmission
🎯 Fun Facts
- Base64 increases data size by approximately 33%
- The name 'Base64' comes from using 64 different characters
- Base64 is URL-safe and can be transmitted over email
- It's commonly used in email attachments (MIME)
📚 Historical Context
- Base64 was first defined in RFC 989 in 1987
- Originally designed for encoding binary data for email transmission
- Became part of the MIME standard in 1992
- Now widely used in web development and APIs