apidevtools

Encoding Tool

Hex Encode / Decode

Encode text to hexadecimal and decode hex to text.

Hex Encode / Decode

Encode UTF-8 text to hexadecimal and decode hex back to text.

Overview

Use hexadecimal conversion for protocol debugging and byte-level data inspection.

Examples

Encode plain text

Input

Hello

Output

48656c6c6f

Decode hexadecimal

Input

617069

Output

api

Use cases

  • Inspect byte payloads in readable form.
  • Prepare hex test values for integrations.
  • Decode raw hex from logs.

FAQ

What input format is accepted?

Hex digits with optional spaces.

Why does decode fail?

Input must have even length and valid hex characters.

Which text encoding is used?

UTF-8 encoding/decoding is used.

Is conversion reversible?

Yes for valid UTF-8 byte sequences.

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