Convert text into its binary representation, eight bits per character, separated by spaces.
Hi!
01001000 01101001 00100001
Each character is written as one padded byte, which keeps the output aligned and makes it decodable again.
No. This tool runs entirely in your browser — nothing you type or paste is uploaded, logged or stored anywhere.
There is no fixed limit. Very large documents depend on your device’s memory, but ordinary pages and files are handled instantly.