Is Base64 Encoder/Decoder free to use?

Yes, Base64 Encoder/Decoder is completely free to use. No signup or account is required. All processing runs in your browser, so your data stays private.

Is my data safe with Base64 Encoder/Decoder?

Absolutely. All processing happens locally in your browser. Your files and data are never uploaded to any server, ensuring complete privacy and security.

Developer Tools

Base64 Encoder/Decoder

Encode and decode Base64 strings

Text to Encode:

About Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings back to readable text with this free online converter. Base64 encoding is commonly used in web development for embedding data in URLs, JSON payloads, email attachments, and API authentication tokens.

The tool handles UTF-8 text and provides instant results with no server round-trip, keeping your sensitive data private on your device.

How to Use Base64 Encoder/Decoder

1Paste your plain text or Base64 string into the input field.
2Click Encode to convert text to Base64, or Decode to convert Base64 back to text.
3View the result in the output area instantly.
4Copy the encoded or decoded result to use in your project.

View all Developer Tools

Developer Tools