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About the Base64 Encoder & Decoder
Convert text to Base64 and back. The tool handles Unicode (UTF-8) correctly and can produce the URL-safe variant used in tokens and query strings.
How to use it
- Type or paste text in the input box.
- Press Encode or Decode.
- Copy the output.
Frequently asked questions
Is Base64 encryption?
No. It is a reversible encoding that anyone can decode. Never use it to hide passwords or secrets.
What is URL-safe Base64?
It replaces + and / with - and _ and usually drops the = padding, so the value can sit in a URL without escaping.
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Results are estimates for general information. For financial, tax, medical or legal decisions, check with a qualified professional.