Free tools · no signup
Free tools for people who run servers
Useful on their own, no account needed. Is the site up, when does the certificate expire, which queries are slow, what does this log mean, is the domain set up safely, how healthy is this server.
Website uptime checker
Is it down for everyone or just you? One check from outside your network: status, response time, redirects and the certificate.
Open the tool →SSL certificate checker
When does the certificate expire, who issued it, do browsers trust it, is the chain complete? Plus the HTTPS redirect.
Open the tool →Slow query log analyzer
Paste a slow query log. See the query shapes that cost the most time, the missing-index signature, lock waits, and the fix. Nothing leaves your browser.
Open the tool →AI log explainer
Paste dmesg, journalctl, nginx or app log output. Get what happened, the likely cause and the exact commands to fix it, in plain English.
Open the tool →Domain & SSL check
SSL validity, issuer, expiry and chain, DNS records, the HTTP→HTTPS redirect, and whether database ports are open to the whole internet.
Open the tool →Server health check
One read-only command on your server: disk, memory, load, failed services, open database ports, SSL expiry, updates, SSH and firewall, each with the fix and a 0–100 score.
Open the tool →Want this running all the time on every server? Connect a server — free for 2.