IP Address Converter — Free Online Tool Convert IPv4 addresses between decimal, binary, hexadecimal, and integer formats. Inspect octets and validate address input in your browser.
Use this free online IP Address Converter directly in your browser. No signup required, no data leaves your device. Part of Utilier — a collection of 133+ developer utilities.
What is IP Address Converter? An IP address converter changes an IPv4 address between the formats used by networking tools, programming languages, logs, and documentation. Enter a dotted decimal address such as 192.168.1.10 and inspect its binary octets, hexadecimal representation, and 32-bit integer value. The conversion happens locally in the browser, making it useful for troubleshooting without sending addresses to a remote service.
An IPv4 address is a 32-bit number normally shown as four decimal octets, but networking tools may display the same bits in binary, hexadecimal, or a single integer. Converting views does not change routing or ownership of the address; it simply exposes the representation needed by a protocol, log, database, or calculation. Subnet masks and CIDR prefixes are separate concepts that determine which bits describe a network.
Why use IP converter? IPv4 addresses are often represented differently across routers, APIs, databases, access-control lists, and application code. Converting the same address into binary exposes network and host bits, hexadecimal is useful when reading packed values, and integer form helps compare addresses or work with database fields. A single consistent view reduces manual conversion mistakes.
When to use IP converter Use this tool while debugging network configuration, translating addresses in logs, checking values stored as integers, learning IPv4 bit patterns, or preparing test data for an API. It is also useful when reviewing firewall rules, subnet calculations, and code that serializes IPv4 addresses.
How to use IP converter Enter an IPv4 address and review each equivalent representation.
Enter an address: Type a valid dotted decimal IPv4 address such as 192.168.1.10.Review octets: Inspect the four decimal octets and their binary values.Compare formats: Use the hexadecimal and unsigned 32-bit values in logs or code.Copy a result: Copy the representation needed by your configuration or test.Key features IPv4 validation: Rejects malformed addresses and octets outside the 0 to 255 range.Binary output: Shows all 32 address bits grouped into four readable octets.Hexadecimal output: Displays the packed address in a compact hexadecimal form.Integer output: Calculates the unsigned 32-bit value used by many APIs and databases.Examples Private network address 192.168.1.10Binary: 11000000.10101000.00000001.00001010
Hex: C0A8010AThe address is commonly used by a private LAN host.
Loopback address 127.0.0.1Binary: 01111111.00000000.00000000.00000001
Hex: 7F000001Loopback traffic stays on the local machine.
Common mistakes to avoid Treating an integer as signed Why it happens: Addresses above 127.255.255.255 can appear negative in a signed 32-bit type.
How to avoid it: Use unsigned arithmetic and verify the representation before storing or comparing values.
Dropping leading binary zeroes Why it happens: Each IPv4 octet represents exactly eight bits, even when the first bits are zero.
How to avoid it: Pad every binary octet to eight characters so the total remains 32 bits.
Frequently asked questions What formats does an IPv4 address use? The common display format is four decimal octets. The same 32 bits can also be represented in binary, hexadecimal, or as an unsigned integer.
Is an IPv4 integer value reversible? Yes. An unsigned 32-bit value can be split into four 8-bit octets and reconstructed as dotted decimal, provided byte order is handled consistently.
Does conversion change the address? No. Decimal, binary, hexadecimal, and integer forms describe the same 32-bit address.
Privacy and availability Runs entirely in your browser — zero server processing No signup or account required Works offline once loaded Fast, lightweight, no external dependencies Available as a browser extension for Chrome and Firefox Tags CI/CD Networking Related tools CIDR Calculator — Expand an IPv4 CIDR block into network, broadcast, host range and mask.Subnet Calculator — Enter an IP and a subnet mask (dotted or prefix) to compute the subnet details.Number Base Converter — Convert integers between binary, octal, decimal, hexadecimal, and custom bases (radix 2-36).Text / Binary / Hex / Decimal / Octal Converter — Convert between text, binary, hexadecimal, decimal, and octal. Auto-detects the input format.ASCII Converter — Convert text to and from character codes in decimal, hexadecimal or binary.All developer tools JSON Beautifier & Validator — Format, minify and validate JSON. Reports the exact error location.HTML Beautifier & Minifier — Indent or minify HTML. 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