OnlineCheck is a private, browser-based internet connection checker that shows whether your device is online, how responsive the connection is, and which basic network signals are available.
Run a quick check to confirm whether you are online.
Latency to quick probe: —
Internet connection checker
OnlineCheck is built for common questions like "am I online?", "why does my connection feel slow?", and "what should I check next?". Each result gives a short status summary with the supporting network details nearby.
OnlineCheck is an internet connection checker that answers whether your current device is online. It combines the browser online signal with probe-based diagnostics so you can see connection status, latency, and basic network context in one place.
OnlineCheck checks the browser connectivity signal, sends lightweight probe requests, measures response time, and reports the available network details. The quick check focuses on status and latency; the full check adds deeper diagnostics for troubleshooting.
An online result means the current browser can reach the probe target and received a response. An offline, degraded, or error result means the browser signal, probe request, or response timing indicates a possible connection problem.
A fast two-step flow backed by diagnostics you can trust. Explore the highlights below to see what OnlineCheck delivers the moment you launch it.
Simple steps
Open the web check or mobile app with no account, login, or setup.
See online status, response time, and the next step if the check detects a connection issue.
OnlineCheck loads quickly and starts with a clear online or offline status before showing deeper diagnostic details.
OnlineCheck does not require accounts. Diagnostics stay limited to the signals needed to check connectivity and response time.
Latency, browser connection details, DNS behavior, and network context help explain whether the issue is the device, the connection, or the wider network path.
What OnlineCheck measures
Use OnlineCheck when you need a quick answer before resetting a router, switching networks, or contacting support. The tool is intentionally narrow: it checks current connectivity and exposes the signals most useful for first-pass troubleshooting.
OnlineCheck is useful when a connection problem is unclear and you need an immediate status result before moving into deeper troubleshooting.
FAQ
Open OnlineCheck and read the status result. The quick check reports whether the current browser appears online and shows latency when a probe request succeeds.
OnlineCheck is primarily an online status and diagnostics tool. It focuses on connectivity, latency, browser network signals, and basic troubleshooting context rather than a full bandwidth benchmark.
No. OnlineCheck runs without an account or login, and the diagnostics are limited to the signals needed for the connection check.
Use the full connection check when the quick result shows an issue, when a site or app feels slow, or when you need more network context before troubleshooting.
OnlineCheck is a minimal network status tool for checking whether your current device is connected to the internet and how responsive that connection is.
Last updated: April 24, 2026
Need help or have a feature request? Email us at hello@onlinecheck.net.