194 tools

Decimal to Binary

Convert decimal numbers to binary.

Binary, Hex & Number Converters

About Decimal to Binary

Decimal to Binary is a free online number converter from Toolbench. Convert decimal numbers 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 Decimal to Binary

  1. Paste or type your text into the input box.
  2. Adjust the options (separator, add 0b prefix, pad to 8 bits).
  3. Copy the result, or click “use output” to chain another transformation.

Example

With the default settings, this input:

72 105 33

becomes:

01001000 01101001 00100001

Options

SeparatorSpace · None · Comma · New line
Add 0b prefixOn / off
Pad to 8 bitsOn / 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 Decimal to Binary free?

Yes. Decimal to Binary is completely free with no sign-up, no usage limits and no watermarks.

Is my data private?

Yes. Decimal 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 decimal to binary?

Read each decimal number as a value in base 10, then write that same value in base 2. Separate several numbers with spaces or new lines to convert them all at once. 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.

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