Hex Converter

Simple and Fast Conversions

Hex converter for fast base changes. Use this tool to switch between four bases. These are decimal and hexadecimal. Also binary and octal. Type a value and press a single button. You get clean output in every field. It works with whole numbers from zero upward. Enter digits only, and letters A to F for hex when needed.

How to Use This Tool

Pick your source base first. Then fill the matching field. Click the button that matches your source base. The tool fills the other fields right away. It also shows a summary box named Conversion Results. Use Clear All to reset everything.

Step by Step Guide

1. Decimal to other bases. Enter a whole number in Decimal. Click Convert from Decimal. Read the Hexadecimal field. Then read Binary and Octal.
2. Hexadecimal to other bases. Enter digits 0 to 9 and letters A to F in Hexadecimal. Leave off the 0x prefix. Click Convert from Hex. Read Decimal first. Then read Binary and Octal.
3. Binary to other bases. Enter zeros and ones in Binary. Click Convert from Binary. Read Decimal first. Then read Hexadecimal and Octal.
4. Octal to other bases. Enter digits 0 to 7 in Octal. Click Convert from Octal. Read Decimal first. Then read Hexadecimal and Binary.

Why Use This Tool?

Manual base work takes time and invites mistakes. This hex converter gives quick checks for study and work. It supports the four bases in one place. Confirm a color value or a packet field fast. Catch issues with leading zeros or letter case.

Input Fields Explained

• Decimal. Use zero or a positive whole number. Leave out decimals and signs.
• Hexadecimal. Use digits 0 to 9 and letters A to F. Use either case.
• Binary. Use only 0 and 1. Keep the input as one string without spaces.
• Octal. Use digits 0 to 7. Keep the input as one string without spaces.

The tool trims spaces before and after your input. Hex letters can be lowercase or uppercase.

Final Thoughts

After a conversion, the summary shows your original base and value. It also lists the same value in all four bases. These are Decimal and Hexadecimal. Also Binary and Octal. Hex output uses uppercase letters.

Use values within the safe integer range of JavaScript for exact results. This range goes up to 9007199254740991. Larger values can lose precision. The tool accepts whole numbers only. Enter numbers without prefixes such as 0x or 0b or 0o.

Here is a quick example for reference. Decimal 255 becomes FF in hex. It is 11111111 in binary. It is 377 in octal. Hex 7B becomes 123 in decimal. Octal 173 becomes 123 in decimal.

Common use cases include these tasks.

• Convert a hex byte like FF to 255.
• Check a binary mask like 1010 to A.
• Review an octal permission like 755 in other bases.
• Read log values that appear in hex.
• Explain base changes in class or study groups.