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Base64 Encoder/Decoder

Encode and decode text to/from Base64 format instantly.

Need to quickly base64 encoder/decoder without installing software or creating an account? This tool helps you complete the task in seconds.

EncodeDecode

What problem does this tool solve?

Need to quickly base64 encoder/decoder without installing software or creating an account? This tool helps you complete the task in seconds. You can use it directly in your browser and get practical output that helps you finish work faster.

Key Features

  • Instant encoding and decoding with no server calls
  • Useful for debugging API authentication headers
  • Works entirely in the browser — your data stays private
  • Supports all Unicode characters
  • Free and unlimited usage

Popular Use Cases

  • Encoding 'Hello World' → SGVsbG8gV29ybGQ=
  • Encoding API credentials for HTTP Basic Auth headers
  • Decoding Base64-encoded JWT token payloads

Related Search Terms

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Looking for answers? Check the FAQ section below for quick solutions and best practices.

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Guides and Tutorials

What is Base64 Encoder/Decoder?

The Base64 Encoder & Decoder converts text to Base64 encoded format and vice versa. Base64 encoding is widely used for embedding binary data in text-based formats like JSON, XML, HTML, and email attachments.

How to Use Base64 Encoder/Decoder

  1. 1Select the mode: Encode (text to Base64) or Decode (Base64 to text).
  2. 2Enter or paste your content in the input field.
  3. 3View the converted result instantly in real-time.
  4. 4Click the copy button to copy the result to your clipboard.

Example Usage

Encoding 'Hello World' → SGVsbG8gV29ybGQ=
Encoding API credentials for HTTP Basic Auth headers
Decoding Base64-encoded JWT token payloads

Benefits

Instant encoding and decoding with no server calls
Useful for debugging API authentication headers
Works entirely in the browser — your data stays private
Supports all Unicode characters
Free and unlimited usage

Frequently Asked Questions