💻 Binary Code Translator
Text ↔ binary, both ways — every character as its 8-bit bytes, Unicode and emoji included. Local and instant.
8 bits per byte (UTF-8), space-separated. Decoding accepts any whitespace-separated binary bytes.
Transformed in your browser — nothing you type is uploaded.
How the binary code translator works
Computers store text as numbers, and this translator shows those numbers in binary. Each character is encoded to its UTF-8 bytes, and each byte is written as eight bits (0s and 1s), space-separated. Plain English letters are one byte each; accented characters and emoji take two to four bytes, which is why they produce more binary. Decoding reverses it, reading whitespace-separated bytes back into text.
This is base-2 encoding, not encryption — anyone can read it back, as this tool does. If you're converting a number rather than text (say, decimal 42 to binary), the number base converter in Developer Tools is the right tool; this one is for turning readable text into its binary representation and back.
Frequently asked questions
How is text turned into binary?
Each character is first encoded to bytes using UTF-8, then each byte is written as 8 binary digits. For example "A" is byte 65, which is 01000001. Spaces separate the bytes so the result can be read back.
Why do emoji produce so much binary?
Because UTF-8 uses one byte for basic Latin characters but two to four bytes for accented letters, other scripts and emoji — so a single emoji can be 32 bits (four bytes) of binary.
Is binary code a cipher?
No — it is an encoding, not encryption. Binary is just a different way of writing the same character codes, fully reversible by anyone, as this translator demonstrates.
What's the difference from a number-base converter?
This tool converts text (letters and symbols) to and from binary. To convert a numeric value between binary, decimal and hex, use the number base converter in Developer Tools.
Is my text sent anywhere?
No — encoding and decoding happen in your browser, on your device.