Base64 Converter

Encode and decode data using Base64 format. Secure, client-side processing with full UTF-8 support.

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It is commonly used to encode data that needs to be stored and transferred over media that are designed to deal with textual data.

  • UTF-8 Support: Correctly handles emojis and foreign characters.
  • Privacy: All conversion happens in your browser.

Base64 Encoding Explained

Base64 is a group of binary-to-text encoding schemes. It turns binary data (like an image or a PDF) into a string of ASCII characters.UnitMaster Base64 helps you translate between these formats instantly.

Frequently Asked Questions

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Processing ModeOffline Ready
Client-Side (WASM)

Calculations happen locally. No data sent to servers.

Network Requests
DESTINATION
STATUS
AnalyticsAllowed
AdSenseAllowed
File UploadsNone

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Base64 Converter - Encode & Decode Online | UnitMaster | UnitMaster Dev Tools