base64 encoder & decoder

Encode or decode Base64 strings instantly.

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:

  • 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.

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.

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.