Base64 Encoder / Decoder

Developer Tools

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About This Tool

Free, private, serverless Base64 encoder and decoder. Encode and decode Base64 strings instantly. No data leaves your browser.

How to Use

  1. Enter text to encode or Base64 to decode.
  2. Click Encode or Decode.

Frequently Asked Questions

What is Base64?
Binary-to-text encoding using ASCII characters.
UTF-8 support?
Yes, full Unicode support.
What are the use cases for this tool?
Content creation, web development, data processing, and everyday productivity tasks.
Does it work offline?
Yes. Once the page loads, it works entirely without an internet connection.