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Numio

Text to Binary Converter

Convert UTF-8 text into eight-bit binary byte groups or decode binary bytes back into readable text.

Mode

Input

2 chars1 lines

Result

Type or paste on the left — the result updates as you type.

Each byte uses exactly eight bits. Spaces may separate groups; incomplete bytes and invalid UTF-8 sequences are rejected.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Format references

Tool page updated: