About this tool
Text to Binary — Convert text to binary, octal and hexadecimal — and back. Free, fast and private. Runs entirely in your browser at Quick Calci Tools.
Examples
Common scenarios for the Text to Binary.
ASCII letter A
- text
- A
- encoding
- binary
8-bit groups representing UTF-8 bytes for capital A.
Emoji bytes
- text
- 👋
- encoding
- hex
Multi-byte UTF-8 sequence shown as hex pairs.
Round trip
- encoded
- 01001000 01101001
- direction
- decode
Hi when decoder interprets spaced binary bytes.
Who uses the Text to Binary?
Common scenarios and audiences for this tool.
CS students
Visualise UTF-8 for lectures on string internals.
Hardware hobbyists
Prepare binary patterns before flashing LED matrices.
CTF players
Quick sanity checks on obfuscated challenges.
Technical writers
Illustrate articles about character encodings with real samples.
Interview prep
Drill encode-decode fundamentals without installing tooling.
Frequently asked questions
Everything you need to know about the Text to Binary.