Encoding Detector & Decoder
Auto-detect and decode Base64, URL encoding, hex, JWT, and more
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How to Use Encoding Detector & Decoder
- Paste any encoded or obfuscated string
- The tool automatically detects the encoding type
- View the decoded result and encoding details
Frequently Asked Questions
What encodings can it detect?
Base64, URL encoding (percent-encoded), hexadecimal, JWT tokens, HTML entities, Unicode escapes (\uXXXX), and multi-layered encodings.
Can it handle nested encodings?
Yes. If a string is double-encoded (e.g., Base64 of URL-encoded text), it will decode each layer and show the chain.
Is this useful for security testing?
Absolutely. It's essential for analyzing encoded payloads, decoding obfuscated URLs, and understanding data transformations in security assessments.
