Base64 Encoder / Decoder
Encode text to Base64 and decode Base64 strings. Supports file encoding too.
How to Use Base64 Encoder / Decoder
1
Paste text or Base64 string
2
Click Encode or Decode
3
Copy the result
Key Features
Text to Base64 encoding
Base64 to text decoding
File to Base64 support
Tips & Tricks
Base64 is used in data URIs, email attachments, and API tokens
Encoded output is always ASCII-safe
Frequently Asked Questions
Base64 encodes binary data as ASCII text, commonly used in email attachments, data URIs in HTML/CSS, JWT tokens, and API authentication.