Binary, Hex & Number Converters
About ASCII to Binary
ASCII to Binary is a free online number converter from Toolbench. Convert ASCII / character codes to binary. Paste your text and the result updates instantly as you type or change the options.
- Category
- Binary, Hex & Number Converters
- Price
- Free
- Account
- Not required
- Runs
- Entirely in your browser
How to use ASCII to Binary
- Paste or type your text into the input box.
- Adjust the options (separator, add 0b prefix, pad to 8 bits).
- Copy the result, or click “use output” to chain another transformation.
Example
With the default settings, this input:
72 105 33becomes:
01001000 01101001 00100001Options
| Separator | Space · None · Comma · New line |
|---|---|
| Add 0b prefix | On / off |
| Pad to 8 bits | On / off (default on) |
Privacy
Everything runs in your browser: what you type or paste is processed by JavaScript on your device, not on a server. If you are signed out, nothing is saved at all. If you sign in with Google, your inputs and settings are saved privately to your account so they sync across devices.
Frequently asked questions
Is ASCII to Binary free?
Yes. ASCII to Binary is completely free with no sign-up, no usage limits and no watermarks.
Is my data private?
Yes. ASCII to Binary processes everything in your browser. Signed out, nothing is saved; signed in, your inputs sync privately to your own account.
How do you convert ASCII codes to binary?
ASCII (and Unicode) codes are the decimal numbers assigned to characters — “A” is 65. The tool converts each code into binary, one value per space-separated group. For example, 72 105 33 → 01001000 01101001 00100001.
Does it work on my phone?
Yes. Toolbench runs in any modern browser on desktop, tablet or phone — there is nothing to install.
Related binary, hex & number converters
- Binary to TextDecode binary bytes back to text.
- HEX to BinaryConvert hexadecimal numbers to binary.
- Binary to HEXConvert binary numbers to hexadecimal.
- Binary to ASCIIConvert binary values to ASCII / character codes.
- Decimal to BinaryConvert decimal numbers to binary.
- Binary to DecimalConvert binary numbers to decimal.
- Text to ASCIIConvert each character to its ASCII / Unicode code.
- ASCII to TextConvert ASCII / Unicode codes back to characters.
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