Hexadecimal to Binary Converter — Free Online
Convert hexadecimal numbers to binary online for free. Supports uppercase and lowercase hex, single values and hex strings. Instant step-by-step result.
About Hex To Binary
Converting hexadecimal to binary is a common task in low-level programming, digital electronics, network packet analysis, and computer architecture study. Each hexadecimal digit directly corresponds to exactly 4 binary digits, making the conversion very clean. Our converter accepts hex values with or without the 0x prefix, handles uppercase and lowercase letters, and shows the result as a properly padded binary string. A step-by-step breakdown is shown for educational purposes.
Frequently Asked Questions
Do I need the 0x prefix?
No — both 0xFF and FF are accepted. The prefix is optional.
How many binary digits does each hex digit produce?
Each hex digit produces exactly 4 binary digits.
Can it handle hex strings like colour codes?
Yes — hex strings like FF5733 are converted to their full binary representation.
Does it support very large hex numbers?
Yes — multi-byte hex strings are fully supported.
Can I also convert binary back to hex?
Yes — use our Binary to Hex tool for the reverse conversion.