Text to Hex
Text to Hex
Convert UTF-8 text into hexadecimal byte output.
Result size
0chars
Live update on input changes.
File input
Choose a file
Click, drop, or paste from clipboard.
Options
0 option(s)
No additional options required.
More actions
Input: manual
Input: manualInputsText/FileManual input • Auto-updateWaiting
Your input is processed locally in your browser whenever possible. We do not store your data.
Flow
- Encode text to UTF-8 bytes.
- Convert each byte to two-digit hexadecimal form.
- Join bytes with separators for readable debug output.
Example
Worked example: "Hi"
- 1 Input text = Hi.
- 2 UTF-8 bytes are 0x48 and 0x69.
- 3 Output hex string is 48 69.
"Hi" converts to 48 69.
How
- Paste plain text in the input panel.
- Run conversion to generate byte-level hex output.
- Copy result for logs, payload docs, or test fixtures.
Cases
- Inspect request payload bytes in API debugging.
- Create deterministic hex fixtures for parser tests.
- Compare encoded outputs across runtimes.
Avoid
- Assuming Unicode characters are always one byte.
- Comparing outputs from different encodings without normalization.
- Dropping separators and misreading byte boundaries.
FAQ
Does text to hex send my input to a server?
No. Text to Hex handles the input in your browser whenever possible, so routine conversions, previews, and copy actions stay on your device instead of being sent to Calctrove servers.
Is this conversion ASCII-only?
No, the tool uses UTF-8 and supports non-ASCII characters.
Why do emoji return many hex bytes?
Emoji are multi-byte in UTF-8, so one visible character can map to several bytes.
Switch
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