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Base64 Encoder and Decoder

Free Online Developer Tool

Base64 Encoder and Decoder

Use this free Base64 Encoder and Decoder to quickly convert plain text into Base64 format or decode Base64 back into readable text. Simple, fast, and browser-based.

Encode or Decode Base64 Text

Paste your text or Base64 string below, then choose the action you want.

Your Result

Your encoded or decoded result will appear here.

How to Use This Base64 Encoder and Decoder

  1. Paste your plain text or Base64 string into the input box.
  2. Click Encode to Base64 to convert text into Base64.
  3. Click Decode Base64 to convert Base64 back into readable text.
  4. Use the copy button to copy the final output.

Why Use This Base64 Tool?

Fast

Encode and decode text instantly without installing software.

Useful

Helpful for developers, testers, API users, and data formatting tasks.

Private

This tool runs in your browser and does not require server upload.

What Is Base64?

Base64 is an encoding method used to represent text or binary data in a readable ASCII format. It is commonly used in web development, APIs, email systems, tokens, and data transfer formats.

Frequently Asked Questions

Is Base64 encryption?

No. Base64 is encoding, not encryption. Anyone can decode a Base64 string if they have the encoded text.

What is Base64 used for?

Base64 is often used for encoding data in APIs, URLs, emails, images, tokens, and configuration values.

Can I decode any Base64 string?

You can decode valid Base64 strings. If the input is invalid, the tool will show an error message.

Can I use this Base64 tool on mobile?

Yes. This free Base64 Encoder and Decoder works on mobile, tablet, and desktop devices.

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