Convert an IP Address to the Binary Format
cross-browser testing tools
World's simplest online IP to binary converter for web developers and programmers. Just paste your IP address in the form below, press the Convert IP to Binary button, and you'll get the given IP's binary representation. Press a button – get a 32-bit binary IP. No ads, nonsense, or garbage.
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Want to convert binary to IP instead?
Use the Binary to IP converter tool!
Using an IP to Binary Converter in Cross-browser Testing
An IP to binary converter can be useful if you're doing cross-browser testing. For example, you can use an IP address in the binary form to bypass a not very carefully written IP address checker. Many browsers convert a binary IP address, such as 01111111.00000000.00000000.00000001 back to a regular IP address 127.0.0.1, so you can use the binary IP to bypass an IP check. Also, you can use this program to see which bits are set in an IP address that is helpful when creating subnets. Additionally, the binary representation of an IP lets you write networking tests and see common patterns in multiple IPs.
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Pro tip: You can use ?input=text query argument to pass text to tools.
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