Base64 Encoder/Decoder
Convert text and files to Base64 format or decode Base64 strings instantly.
Drop files here or click to upload
Features
Two-Way Conversion
Encode text to Base64 or decode Base64 back to text.
File Support
Convert files to Base64 format with drag & drop support.
Instant Conversion
Get results immediately with client-side processing.
Secure Processing
All conversions happen in your browser for privacy.
About Base64 Encoding/Decoding
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used when there is a need to encode binary data that needs to be stored and transferred over media designed to deal with text.
Common Uses of Base64
- Encoding images for embedding in HTML or CSS
- Encoding binary files for email attachments
- Storing complex data in JSON or XML
- Basic obfuscation of data (not encryption)
- URL encoding for web applications
How Our Tool Helps
Secure Processing
All conversions happen in your browser - no data is sent to our servers.
Instant Results
Get your Base64 conversions immediately with no waiting.
File Support
Convert any file type to Base64 with drag and drop interface.
Mobile Friendly
Works perfectly on all devices including smartphones and tablets.
Base64 Encoding Explained
Base64 encoding works by dividing the input bytes into groups of 3 bytes (24 bits) and then representing each 24-bit group as four 6-bit Base64 digits. Each 6-bit digit is mapped to one of 64 characters (A-Z, a-z, 0-9, '+', '/') with '=' used for padding.