IPv4 to Decimal Converter
Convert dotted IPv4 addresses to unsigned 32-bit decimal values and back, with hexadecimal and binary representations.
Start with your input
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Choose your options
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How to use IPv4 to Decimal Converter
- Enter one dotted IPv4 address or an unsigned decimal integer.
- Select the input form and convert.
- Copy the JSON containing dotted decimal, unsigned integer, hex and binary forms.
Treat the address as four ordered bytes
Each dotted octet must be an integer from 0 to 255. The converter combines bytes in network order, with the first octet as the most significant byte. The unsigned decimal range is 0 through 4294967295. Hex output is padded to eight digits, and binary output uses four eight-bit groups.
Reject ambiguous legacy address spellings
The tool accepts exactly four decimal octets and rejects leading-zero octets, shorthand forms, negative integers and values beyond 32 bits. It does not support IPv6 or interpret hostnames. Conversion changes representation only; it does not locate an address, classify a subnet or check reachability. Use the CIDR calculator for network masks and host ranges.
Example input
192.168.1.1
Why do some programs show a negative number for an IPv4 address?
They may display the same 32 bits as a signed integer. This converter deliberately uses the unsigned range.
Is input uploaded?
Processing takes place in your browser. This tool does not send your input or selected files to a conversion API.