Runs locally
Hex Dump
UTF-8 bytes in rows of 16.
Ctrl+Enter runs. Ctrl+Shift+Backspace clears.
Export and import are available after you sign in. Sign in
UTF-8 bytes in rows of 16. Runs in the browser. Nothing is uploaded.
About this tool
See exactly which bytes a string contains, for debugging encodings, protocols or hidden characters. Each row shows the offset, 16 bytes in hex and their printable ASCII form.
How to use it
- 01
Paste the text.
- 02
Review the offset, hex bytes and ASCII column.
- 03
Copy the dump.
FAQ
Frequently asked questions
Can I dump a binary file?
No. The tool works on text you paste, encoded as UTF-8.
What do the dots in the ASCII column mean?
Bytes that are not printable ASCII, such as parts of multi-byte characters, are shown as dots.