ASCII Table: Search Decimal, Hex, Binary & Controls
Search the 128 ASCII code points, inspect control names and copy individual rows or the complete filtered table.
Enabling local controls…
1. Input and options
Runs in page memory, without uploading or saving input. Text input and generated output: 1 MiB UTF-8 each. Copy is explicit; results clear whenever inputs change.
ASCII is 0–127. The binary column uses eight digits with a leading zero; bytes 128–255 are not ASCII.
RFC 20 — ASCII · WHATWG Encoding · Reference data: 2026-10-17
2. Result
Enter input or load a sample, then run.
If clipboard access is denied, select the output and copy manually.
How to use this tool
Enter a character, control name or numeric representation, or leave the query empty to show all 128 rows.
When not to use it
ASCII is 0–127. The binary column uses eight digits with a leading zero; bytes 128–255 are not ASCII.