Merlin
IPvFoo

IPvFoo

Display the server IP address, with a realtime summary of IPv4, IPv6, and HTTPS information across all page elements.

What is IPvFoo?
IPvFoo is an Edge browser extension designed to enhance internet transparency by showing users the server IP addresses and connection types, including IPv4, IPv6, and HTTPS, used by websites. It features a color-coded icon alerting if the main page uses IPv4 or IPv6, a detailed table of domain connections with security and address info, and tools for copying and looking up address details. The extension is privacy-focused, keeping data in RAM and not generating server costs. Available under the Apache 2.0 license, IPvFoo aims to increase awareness about the ongoing transition from IPv4 to IPv6.
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Merlin
Stats
Version: 2.18 (Last updated: 2023-12-11)
Creation date: 2023-08-19
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 3
Permissions:
  • contextMenus
  • storage
  • webNavigation
  • webRequest
Host permissions:
  • <all_urls>
Size: 40.88K
Stats date:

Chrome-Stats Rank

# 3247 ▼ 279
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Other platforms

Not available on Chrome
Not available on Firefox
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Chrome-Stats extension
Merlin
Summary
Analyze keywords

Display the server IP address, with a realtime summary of IPv4, IPv6, and HTTPS information across all page elements.

I made this extension to raise everyday awareness of the global IPv4 to IPv6 transition. To respect your privacy, it keeps data in RAM and treats the network as read-only. I can maintain this without ads because there are no server costs.

IPvFoo's action icon shows a large red 4 or green 6 to indicate whether the outer page was fetched using IPv4 or IPv6. If the page connects to other domains, a smaller 4 or 6 appears alongside.

When you click the icon, a table appears with a row for each domain:

  • A padlock icon for http://, https://, or a mix of both.

  • The IPv4 or IPv6 address. If connections span more than one address, the most recent one wins. The address is highlighted in yellow while connections are open.

  • "⭮" for cached requests. The IP address may be stale if no connection was made.

  • "S" for WebSocket handshakes. The connection may still be active even if the address is not highlighted.

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Safety
Risk impact

IPvFoo is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install IPvFoo if you trust the publisher.

Risk likelihood

IPvFoo is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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Screenshots
IPvFoo IPvFoo