When to use this tool
- You need to inspect an encoded API value quickly.
- You want to convert a short text sample to Base64 for testing.
- You need to confirm whether a decode error comes from malformed input.
Base64 Encode / Decode
Convert plain text to Base64 and decode Base64 back to readable text, with UTF-8 support for multilingual content.
How to use
- Enter or paste text in the input area.
- Click Encode to convert text to Base64, or Decode to convert Base64 back to text.
- Copy the result, try sample text, or clear both fields to start over.
Quick Base64 workflow guide
Use this tool for fast conversion checks, then continue with practical guides for choosing when Base64 helps and when it adds unnecessary complexity.
Quick steps
- Paste text in the input and choose Encode or Decode.
- Review the output and confirm it matches expected format.
- Copy the result into your workflow and validate in context.
Common mistakes
- Treating Base64 as encryption for sensitive data.
- Assuming every opaque string is valid Base64.
- Encoding content that is already readable and does not need conversion.
Related Base64 Encode / Decode guides
Read these short guides to choose the right encoding approach and avoid common Base64 workflow issues.
- When to Use Base64 Encoding
- Base64 vs URL Encoding: What’s the Difference?
- How to Decode Base64 Safely for Debugging
- Common Base64 Mistakes in Web Workflows
- When Plain Text Is Better Than Base64
- Why Base64 Strings Get So Long
- How to Tell Whether a String Is Base64 or Something Else
- When Base64 Makes Debugging Harder Instead of Easier