Base64 Encoder / Decoder

Encode and decode Base64 instantly using this free online tool. Base64 encoding is commonly used to convert binary data into text format for safe transmission over networks and storage systems.

Paste your text or Base64 string below and choose the operation you want to perform.

Conversion Result

How to use

Using the Base64 encoder and decoder is simple. Paste your text or Base64 string into the input field and choose the operation you want.

The tool instantly converts the input data and displays the result below. All operations are performed locally in your browser for maximum speed and privacy.

Examples

Below are examples of Base64 encoding and decoding.

Base64 encoding is widely used in web development, APIs, email systems, data transmission and storage where binary data needs to be represented as text.

FAQ

What is Base64 encoding?
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Base64 is a method of encoding binary data into ASCII text format. It is commonly used when data needs to be stored or transmitted in environments that only support text.

When should I use Base64 encoding?
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Base64 encoding is commonly used in web APIs, email attachments, data URLs, authentication tokens and other systems that require binary data to be represented as text.

Is Base64 encryption?
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No. Base64 is not encryption. It is simply a reversible encoding method. Anyone can decode Base64 data back into its original form.

Is my data sent to a server?
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No. All encoding and decoding happens directly in your browser using JavaScript. Your data is never transmitted to any server.

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