Base64 Converter

Encode text to Base64 or decode Base64 back to text, instantly in your browser.

INPUT (ENCODE)
OUTPUT
Result will appear here.
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Get to know this tool

Base64 Converter encodes text to Base64 or decodes it back using the browser's native encoding APIs — nothing is sent outbound.

What is Base64 Encoding and Decoding?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format by translating it into a radix-64 representation. The alphabet used contains 64 characters (A-Z, a-z, 0-9, +, and /). Base64 encoding is widely used in web development and network protocols, such as transmitting media files within HTML documents (Data URIs), sending email attachments via MIME, or passing complex query strings. Our online Base64 Converter offers a simple, fast way to encode plain text or decode Base64 strings.

Key Features

  • Bi-Directional Conversion: Easily switch between Encoding (Text to Base64) and Decoding (Base64 to Text) depending on your workflows.
  • Real-Time Processing: The converter works dynamically. As soon as you type or paste your query, the output is updated instantly without reloading.
  • Robust UTF-8 Character Handling: Supports international character sets, accents, special symbols, and emojis without generating encoding errors.
  • 100% Secure & Client-Side: Everything is computed locally using your browser's native JavaScript execution. Your data is not uploaded or stored, ensuring total confidentiality.
  • Easy Clipboard Copying: Copy the converted string immediately with the press of a button.

How to Use the Base64 Converter?

To Encode Text to Base64:

  1. Make sure the Encode tab is selected.
  2. Paste or type your plain text into the left input field.
  3. Retrieve the generated Base64 string from the output field on the right.

To Decode Base64 back to Text:

  1. Switch to the Decode tab.
  2. Paste the Base64 encoded string into the input area.
  3. View the decoded plain text in the output box and copy it to your clipboard.

Frequently Asked Questions (FAQ)

Is Base64 a form of encryption?

No. Base64 is not encryption. It is a data encoding method. Anyone can easily decode a Base64 string back to its original text using this converter. It should never be used to secure passwords or protect sensitive, secret data.

Why is Base64 encoding used?

It is used to transmit data over channels that are designed to handle text rather than binary data, preventing data corruption during transfer.