Base64 Encode / Decode

Encode and decode Base64 strings instantly. Supports text, URLs, and binary data. Useful for email encoding, data URIs, API authentication, and more.

Why choose Base64 Encode / Decode?

This tool provides instant Base64 encoding and decoding directly in your browser without requiring software installations or user accounts. It handles text, URLs, and binary data efficiently, making it ideal for routine web development, API testing, and data formatting tasks.

Good to know: Very large binary files or fully offline workflows may be handled better by local command-line utilities or dedicated desktop applications.

How to Use Base64 Encode / Decode

Quickly convert plain text to Base64 format or decode existing Base64 strings for use in APIs and data URIs.

1. 1

   Access the Base64 Codec tool

   Navigate to the Base64 Encode / Decode tool page on your browser to begin the conversion process.

2. 2

   Enter your data into the input field

   Paste the text, URL, or binary data string you wish to process into the provided input area.

3. 3

   Select the encode or decode operation

   Choose whether you want to encode your plain text into Base64 or decode an existing Base64 string back to its original format.

4. 4

   Review the generated output

   The tool will instantly process your request and display the resulting string in the output section.

5. 5

   Copy the results for your project

   Copy the final Base64 or decoded string to your clipboard for use in email encoding, authentication, or data URIs.

Estimated time: PT1M

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Base64 Encode / Decode: Free Online String Converter

Encode and decode Base64 strings instantly. Supports text, URLs, and binary data for API authentication and data URIs. Use our free tool at toolsy.my today.