Convert an Integer to an IP Address
cross-browser testing tools
World's simplest online decimal number to IP address converter for web developers and programmers. Just paste your decimal IP address in the form below, press the Convert button, and you'll get a regular dot-separated IP. Press a button – get an IP. No ads, nonsense, or garbage. Super useful if you store the IP addresses as integers in your database.
Announcement: We just launched Online Number Tools – a collection of browser-based number-crunching utilities. Check it out!
Want to convert IP to decimal instead?
Use the IP to decimal converter tool!
Using a Decimal to IP Address Converter in Cross-browser Testing
A decimal to IP address converter can be useful if you're doing cross-browser testing. Often, IP addresses are saved as decimal numbers (integers) as they take just 4 bytes compared to IPs in string format that take 15 bytes (version 4 IPs). For example, an IP address 10.10.10.25 saved and converted to the decimal form is 168430105. With this program, you can create test cases that validate if the saved integers match the given human-readable IP. Additionally, you can use this utility to quickly decode an integer IP that you have in your database or log file and see what it is.
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Pro tip: You can use ?input=text query argument to pass text to tools.