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Base64 Encode/Decode — Free Online Tool

Encode or decode Base64 strings and files instantly.
Quick Answer

ZerofyTools Base64 Tool provides a fast, client-side utility for encoding text into standard Base64 characters or decoding Base64 strings back into their original format. Perfect for developers dealing with binary transfers.

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How do I use the Base64 Encode/Decode?

Encode or decode Base64 strings and files instantly. This tool runs entirely in your browser — your files and data never leave your device. No registration, no watermarks, no limits.

01
Type or drag a file into the encoder.
02
Select UTF-8 or ASCII strict parsing constraints.
03
Enable URL Safe formatting (RFC-4648) if passing in HTTP query links.
04
Copy the converted buffer hash.

What are the key features of the Base64 Encode/Decode?

  • Bidirectional Decoding and Encoding.
  • File-Stream chunks (Drag a file to base64 encode the binary!).
  • URL Safe parsing toggles.

Why use this tool and other frequently asked questions?

What is Base64?
Base64 is a data encoding scheme used to convert binary data into a text-based format for transferring across networks.

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Base64 Encode/Decode Free – Online Tool, No Signup | ZerofyTools