Title Case Converter
Capitalise headlines properly using AP, Chicago, APA or MLA rules.
Text to Hex
Convert text into hexadecimal bytes.
Quick Tool Overview
Text to Hex produces the UTF-8 hexadecimal bytes a hex editor would show for your text, formatted the way you need it — space separated for reading, 0x prefixed for source code, or unseparated for comparing against a hash.
- What it does
- Converts text into hexadecimal bytes
- You give it
- A value, key, string or document
- You get back
- The hex bytes with a byte count
- Best for
- Debugging, source code literals and byte comparison
About the Text to Hex
Hexadecimal is the format every programmer reads bytes in, because two hex digits are exactly one byte and the mapping is easy to hold in your head in a way that eight binary digits is not.
This produces the UTF-8 hex bytes a hex editor would show for your text, formatted the way you need it: space separated for reading, unseparated for a hash comparison, prefixed with 0x or \x for pasting into source code, or comma separated for a byte array. Upper and lower case are both available, since different tools and languages have different conventions and a mismatch makes two identical values look different.
Key features of the Text to Hex
Formats for real destinations
Space separated, comma separated, 0x prefixed or \x prefixed — each matching where the hex is going.
Upper or lower case
Because a string comparison between two hex values is case sensitive even though the value is not.
True UTF-8 bytes
What a hex editor would show, so an accented letter correctly produces two bytes rather than one.
Byte count alongside
The figure a size limit actually measures, shown next to the character count for comparison.
Reverses cleanly
Any format produced here is read back by the Hex to Text tool without editing.
How to use the Text to Hex
-
1
Type or paste your text
A value, a key, a string or a whole document.
-
2
Choose the format
Space separated for reading, 0x prefixed for source code, or unseparated for comparison.
-
3
Pick the case
Upper or lower case hex digits, to match whatever you are comparing against.
-
4
Copy the hex
The byte count is shown alongside, which is the figure a size limit actually measures.
Frequently asked questions
The value is not — FF and ff are the same byte. But a string comparison between two hex representations is, which is why two identical hashes can look different when one tool outputs upper case and another lower.
Because UTF-8 is variable width. Two hex digits are one byte, and plain ASCII characters take one byte each. An accented letter takes two bytes, so four hex digits, and an emoji takes four bytes, so eight.
It tells a programming language that the number that follows is hexadecimal rather than decimal. Most C-family languages use 0x; some contexts use \x per byte, which is the other option here.
Use the Hex to Text tool, which reads any of these formats — with or without prefixes and separators — and reassembles the UTF-8 bytes into characters.
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