Upwatch
PricingToolsDocsSupport
Log inSign Up

Free Website Tools

Instant diagnostics for any website. No signup required.

search

Is It Down?

Check if any website is down right now. Instant status with response time and error details.

speed

Response Time Tester

Measure how fast a website responds. See latency and get a performance rating.

lock

SSL Certificate Checker

Verify SSL certificates. See issuer, expiry, SANs, and get a security grade.

code

HTTP Header Inspector

Analyze HTTP response headers. Get a security score and see missing protections.

travel_explore

WHOIS Lookup

Look up domain registration details. See registrar, dates, name servers, and DNSSEC status.

router

IP WHOIS Lookup

Look up any IP address. See owner, country, network range, RIR, and abuse contact.

monitor_heart

Don't just check once.
Monitor 24/7.

These tools show you a snapshot. Upwatch watches your sites around the clock and alerts you the instant something goes wrong.

Start Free Monitoring View Pricing
check_circle 10 monitors free
check_circle No credit card
check_circle Email & Slack alerts

Built by Upwatch — simple uptime monitoring. 10 monitors free forever.