base64 encoder & decoder

Encode or decode Base64 strings instantly.

Enter Text or Base64 String:

Action:

How It Works

1. Enter Text/Base64

Type or paste the text or Base64 string you want to process.

2. Select Action & Process

Choose to encode or decode, then click the process button.

3. Copy Result

Copy the processed text to your clipboard.

Why Use OnlineTinker's Base64 Tool?

Our free online Base64 Encoder and Decoder is a simple yet powerful tool for developers, network engineers, and anyone needing to convert data to or from Base64 format. It's fast, private, and easy to use. Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used to transmit data over mediums that only support text, such as email or HTTP. By encoding data into Base64, you can safely transmit it as plain text. This is essential for tasks like embedding images directly into HTML or CSS, or for basic authentication schemes.

The name 'Base64' comes from its use of a 64-character set, which typically includes A-Z, a-z, 0-9, '+', and '/'. This limited character set ensures that the data is not misinterpreted as control characters by systems that are not 8-bit clean. Our tool handles all the complexities of this conversion for you, providing a seamless experience whether you are encoding a simple string or decoding a complex data chunk.

Instant Conversion: Encode or decode Base64 strings in real-time.
Versatile: Supports both encoding and decoding of text data.
Completely Free: No costs, no subscriptions, no limits.
Privacy-Focused: Your data is processed on the fly and not stored. All operations are performed client-side in your browser.

Perfect For:

Developers: Encode/decode API keys, image data, or other sensitive information.
Network Engineers: Analyze network traffic or troubleshoot data transmission issues.
Security Professionals: Inspect encoded data for potential vulnerabilities.
Web Designers: Embed small images or fonts directly into CSS files to reduce HTTP requests.

Frequently Asked Questions (FAQs)

What is Base64 encoding?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used to transmit data over mediums that only support text, such as email or HTTP.

Is this tool free to use?

Yes, our Base64 Encoder and Decoder is completely free to use, with no hidden costs or subscriptions.

Do I need to install any software?

No, our tool is entirely web-based. You can access it directly from your browser on any device without needing to download or install anything.

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Is my data safe?

Yes, your data is safe. All processing is done on your local machine (client-side) and no data is sent to our servers.