About Base64 Encoder/Decoder
Encode any text or data to Base64 format or decode Base64 strings back to readable plain text. Base64 encoding is widely used to safely transmit binary data over text-based protocols. This tool handles encoding and decoding instantly in your browser with no server uploads required.
How to Use Base64 Encoder/Decoder
- 1
Enter your text
Paste the text or Base64 string you want to convert.
- 2
Choose direction
Click Encode to convert to Base64, or Decode to convert Base64 back to text.
- 3
Copy the result
Copy the output for use in your application.
Common Use Cases
- Encoding credentials for HTTP Basic Auth headers
- Embedding small data payloads in JSON or XML
- Decoding Base64 strings from API responses
- Storing binary data in text-based configuration files
Frequently Asked Questions
What is Base64 used for?
Can I encode images with this tool?
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