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UTF-8 Encoder / Decoder

Encoding

Inspect UTF-8 bytes or restore text from UTF-8 hex.

Parameters
Input
Output
Auto-calculate
0 characters · 0 bytes

Use cases

When to use UTF-8 Encoder / Decoder

Inspect UTF-8 bytes or restore text from UTF-8 hex.

1Compare request-body bytes with a server log
2Debug mojibake caused by an incorrect encoding
3Inspect Chinese or emoji byte sequences
4Compare the text encoding observed by a proxy, gateway, and application service
5Generate or restore an encoding format required by a legacy system
6Diagnose garbled multilingual content and cross-region request data

Guidance

Get reliable results

  1. 1Keep a complete byte sequence for each character
  2. 2Use space-separated output when manually checking boundaries
  3. 3Confirm the source is UTF-8 before treating bytes as text
The decoder expects valid UTF-8 text. Arbitrary binary data may not have a meaningful text representation.

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