IP Address Validator (IPv4 & IPv6)
Developer ToolsValidate IPv4/IPv6 and spot private ranges
Embed this tool on your websiteFree
- Choose how tall the frame should be.
- Press Copy code.
- Paste it into your page, blog, WordPress or Notion HTML block.
The tool runs inside your visitor's browser, nothing is uploaded, and a small "Powered by ToolCloak" line stays under it. The second line (script) is optional: it makes the frame fit the tool's height.
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History
All history →IP Address Validator (IPv4 & IPv6) — at a glance
Check that IP addresses are written correctly and what kind they are.
How to use it — step by step
IPv4 or IPv6 addresses, one per line.
Paste your input
Paste or type your content into the big input box.
Choose options
Pick the mode and options that fit what you need.
Validate IPs
Press the button. The result is created instantly on your device.
Copy the result
Check the output and press Copy to use it anywhere.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
Does it check if the IP is online?+
No. It only checks the format and range type.
Is 0.0.0.0 valid?+
It is a valid format but reserved and not a usable public address.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.