Base64 Encoder & Decoder

Free online tool — no sign-up required

Effortlessly encode and decode text or files to Base64 directly in your browser. This free, versatile tool supports URL-safe encoding and is fully UTF-8 compatible, ensuring your data is handled correctly and securely. Experience quick, reliable Base64 conversions without limits.

This tool is interactive — turn on JavaScript to use it.

How to Use Base64 Encoder & Decoder

  1. Access the Tool — Navigate to the Base64 Encoder & Decoder page on Free Tools Forever. No downloads or installations are required.
  2. Choose Operation — Select either 'Encode' to convert input to Base64 or 'Decode' to convert Base64 back to its original form.
  3. Input Data — Paste your text into the input box or click to upload a file directly from your device. For text, ensure it's valid for the chosen operation.
  4. Select Options — Toggle the 'URL-safe' option if you need Base64 output suitable for web addresses. UTF-8 is handled automatically for text.
  5. Get Results — The converted Base64 or original content will appear in the output box. You can copy the result or download the file instantly.

Base64 Encoder & Decoder — Frequently Asked Questions

What is Base64 encoding?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's often used to transmit data over media that do not handle binary data well, such as email or URLs.

Can I encode files with this tool?

Yes, our Base64 tool allows you to easily encode and decode files of various types. Simply upload your file, and the tool will process it efficiently.

Is this tool truly free to use?

Absolutely, this Base64 Encoder & Decoder is completely free to use, forever. There are no hidden costs, subscriptions, or limits on usage.

Is my data private and secure?

Yes, privacy is paramount. When you encode or decode files, they never leave your device. All processing happens locally in your browser, ensuring your data remains confidential.

Do I need to sign up or create an account?

No sign-up or registration is required to use this Base64 tool. It's designed for instant access and hassle-free conversions.

Does it support URL-safe Base64?

Yes, our tool includes an option for URL-safe Base64 encoding. This variant replaces certain characters with URL-friendly alternatives, making it suitable for web addresses.

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