Encoding

Base64 Tool

Encode or decode Base64 strings for API payloads, auth headers, and binary transport workflows used in modern web applications.

Interactive Base64 Tool

Encode plain text to Base64 or decode Base64 strings back to readable text.

Common use cases

  • Encode credentials for test authorization flows.
  • Decode payload snippets received from APIs.
  • Validate binary-to-text transport conversions.

Quick start

  1. Paste text or Base64 input.
  2. Choose encode or decode mode.
  3. Copy output for immediate use in your app.

Related guides

Base64 Encoding vs. Decoding: When and Why to Use ItPrompt Engineering for Developers: Best Practices for Cleaner Code

FAQ

Is Base64 encryption?

No. Base64 is an encoding format, not an encryption method.

Can I decode malformed strings?

The tool warns on invalid input and returns decoded output only for valid Base64 content.

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