The Best CanYouSeeMe Alternatives in 2026

Check whether network ports are open and test port forwarding or router connectivity with PortCheckers.

Port Checker tests whether ports are open and whether router port forwarding is configured.

Check for Cloudflare tests whether a domain uses Cloudflare DNS and checks global locations.

MyPublicWiFi turns a Windows computer into a wireless hotspot for sharing an internet connection.

Cloudflare Speed Test measures download, upload, latency, jitter, and packet loss for an internet connection.

NetBlocks Internet Performance Monitor checks network connectivity and performance issues.

Check-Host monitors websites and checks servers, IP addresses, and host availability.

Estimate internet download speed in a browser with FAST.com, Netflix’s simple speed test.

Measure internet download, upload, ping, and jitter in a browser with OpenSpeedTest, an HTML5 speed test.

localhost.run creates an SSH tunnel that connects web applications on a local computer to the internet.

Manage free, dynamic, and static DNS hosting, subdomains, and web forwarding through FreeDNS.

LibreQoS Test measures connection quality and latency while a network is under load.

This service runs ping, MTR, DNS, TCP port, and BGP diagnostics from multiple locations.

WiFi Analyzer helps Windows users identify wireless network problems and choose a Wi-Fi channel.

Run DNS, email, network, and website checks with the diagnostic tools from MxToolbox.

Listen on network ports or open a reverse shell with Rustcat, a cross-platform command-line tool.

LibreSpeed measures internet speed in a browser and can also be self-hosted as open-source software.

Pinging.net monitors internet connectivity and displays network status measurements.

Host DNS records for domains with Hurricane Electric’s free DNS service.

Use Bancuh DNS to filter ads, trackers, malware, and adult content across devices on a network.

ngrok routes and secures traffic to applications, APIs, and AI models running locally or in production.

Enter a MAC address or OUI to find its vendor using IEEE and Wireshark manufacturer data; a REST API is also available.

Packet Sender sends and receives TCP, UDP, SSL, and DTLS packets and supports HTTP requests.

Arcai provides NetCut and router utilities for controlling Wi-Fi networks on Windows and macOS.