Binary Converters

Binary converters translate between binary, decimal, hexadecimal, ASCII codes and plain text. They are essential for programming, networking, electronics and computer science homework.

All 10 Free Binary Converters

• Text to Binary – Convert any text into binary code (0s and 1s) instantly.
• Binary to Text – Decode binary code back into readable text instantly.
• Binary to Hex – Convert binary numbers into hexadecimal online.
• Hex to Binary – Convert hexadecimal values into binary instantly.
• Binary to ASCII – Convert binary code to ASCII characters online.
• ASCII to Binary – Convert ASCII text into binary code in one click.
• Binary to Decimal – Convert binary numbers to decimal (base 10) instantly.
• Decimal to Binary – Convert decimal numbers into binary (base 2) online.
• Text to ASCII – Convert text into ASCII codes instantly.
• Decimal to Hex – Convert decimal numbers to hexadecimal online.

How to Use These Tools

1. Paste or type your input value into the box.
2. Make sure the input uses the correct format (for example only 0 and 1 for binary).
3. Click the convert button.
4. Copy the converted output with one click.

Quick Reference

Why Use Our Binary Converters?

• Accurate conversion: Follows standard number-system and character-encoding rules.
• Instant output: Conversion takes less than a second.
• Free for everyone: Students, programmers and teachers can use the tool at no cost.
• Handles long input: Convert full sentences or long number strings at once.
• No installation: Works directly in the browser.
• Easy copy: One click copies the result to your clipboard.

Tips

• Separate binary bytes with spaces for easier reading.
• Remove stray characters that do not belong to the number system.
• Use 8-bit groups when working with ASCII text.
• Verify critical values by converting them back the other way.

Worked Example

Example: to convert 13 to binary, find the powers of two that add up to 13: 8 + 4 + 1. Write 1 for each power used and 0 for the rest: 8-4-2-1 → 1101. In hex, 13 is D because hex digits 10–15 are written as A–F.

Glossary

Bit

A single binary digit, 0 or 1.

Byte

A group of 8 bits, enough to store one ASCII character.

Hexadecimal

Base-16 numbers written with 0–9 and A–F.

ASCII

A standard that gives each English character a number from 0 to 127.

Place value

The value of a digit based on its position, such as 2⁰, 2¹, 2²...

Helpful Guides

• How to Convert Binary to Text (and Text to Binary) Online
• What Is Binary Code and How Does Binary Conversion Work?
• Common Mistakes When Converting Hex, Decimal and Binary
• 10 Free Binary Converter Tools Every Programmer Needs

Frequently Asked Questions

Are these binary converters free?

Yes. Every tool in this category is free to use on pdfseotools.com with no sign-up.

Do the tools work on mobile?

Yes. They work in any modern browser on Android, iPhone, Windows and Mac.

Is my data safe?

Yes. Connections use HTTPS and uploaded files are removed after processing.