Developer Tools•Free Online Tool
Base64 Encoder & Decoder
Fast, secure online Base64 encoder and decoder. Convert plain text, JSON, binary files, and images into Base64 ASCII strings and decode Base64 data back to readable UTF-8 text with zero server transmission.
100% Free & Private
Text / Raw String
Base64 Result
How to Use Base64 Encoder & Decoder
1
Choose Mode
Select Encode to create Base64 or Decode to convert Base64 back to text.
2
Input Text or File
Paste your string or upload a file.
3
Copy Result
Copy your converted output with one click.
Frequently Asked Questions
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