Universal Decoder

60+ formats • Auto-detect • Instant conversion

All 60+ Operations — Click to select input→output format
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Output 0 B

What is Online Universal Decoder?

Universal Decoder is an all-in-one utility for identifying and decoding various data formats. Whether you're dealing with URL-encoded strings, Base64, Hexadecimal, or HTML entities, this tool attempts to automatically detect the encoding and provide the original text.

It acts as a digital "Swiss Army knife" for security researchers, developers, and data analysts. By centralizing multiple decoding methods into one interface, it saves time and reduces the need for multiple specialized tools when investigating unknown data strings.

How to use Online Universal Decoder?

  1. Enter the encoded or obfuscated string into the detection field.
  2. The tool will analyze the input and suggest the most likely decoding methods or perform them automatically.
  3. Review the decoded results and use the "Copy" button to get the clean data.