Hex Converter

Enter a hexadecimal value such as FF2A or 0xDEADBEEF and see the decimal, binary and octal equivalents instantly. It is exact for long values like hashes and addresses.

How to use the Hex Converter

1. Type a hex number (0–9 and A–F, with or without 0x).
2. Read the decimal, binary and octal values.
3. Inspect the binary in nibbles and bytes.
4. Copy the base you need.

Features

• Case-insensitive input with optional 0x prefix
• Exact conversion for long hex strings
• Grouped hex and binary output
• Invalid digits are pointed out by name

Benefits

• Decode memory addresses, colour values and IDs
• Translate hex dumps while debugging
• Learn how each hex digit maps to four bits

Frequently asked questions

What digits are valid in hexadecimal?

0–9 and A–F (or a–f). Each hex digit represents exactly four binary bits.

Can I convert a CSS colour like #FF8800?

Remove the # and enter FF8800 to get its integer value. For RGB channels, convert each pair (FF, 88, 00) separately.

Is 0x required?

No. The 0x prefix is optional and is ignored if present.

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