A growing collection of free tools to check your connection and diagnose network issues.
Speed Test
Check your download, upload, ping and jitter in real time.
Run test →DNS Checker
Look up A, AAAA, MX, TXT, NS and CNAME records for any domain.
Check DNS →Network Exposure Check
See open ports, exposed services and known CVEs indexed by Shodan for any domain or IP.
Check exposure →RBL / Blacklist Check
Check a domain, email address or IP against Spamhaus, SpamCop, Barracuda and more.
Check blacklists →SSL / TLS Certificate Check
Check a domain's certificate for expiration, issuer, chain of trust and hostname match.
Check certificate →WHOIS Lookup
Look up a domain's registrar, registry and registration/expiry dates - check up to 10 at once.
Look up domain →Dark Web / Breach Check
Check an email address against known data breaches and dark-web leak databases - no passwords ever shown.
Check exposure →Password Generator
Generate strong, random passwords up to 128 characters - entirely in your browser, never sent anywhere.
Generate password →Video & Audio Converter
Convert between MP4, WebM, GIF, MP3, WAV and M4A - entirely in your browser, no upload required.
Convert a file →Image Converter
Convert images between PNG, JPEG, WebP and BMP, with resizing and quality control - entirely in your browser.
Convert an image →More Tools
Additional tools are on the way.
Coming soon