Free Digital Tools
Free tools to create QR codes, inspect your connection, explore your device and simplify everyday digital tasks.
Back to homeQR code generator
Create static QR codes for URLs, contacts, Wi-Fi, phone, email and text.
My IP address
Your public IP address, approximate location and network provider.
DNS lookup
Look up a domain’s IP, email and verification records.
IP blacklist check
Check your mail server IP against SpamCop and PSBL.
SSL & HTTPS check
Inspect HTTPS, HSTS, redirects and certificate log information.
Browser information
Explore your browser, operating system, language and hardware signals.
Screen information
See your resolution, pixel density and viewport size update live.
Connection information
Inspect HTTP, TLS and your edge connection in one place.
HTTP headers
Read your browser’s request headers and learn what they mean.
Subnet calculator
Calculate IPv4, CIDR, subnet masks and host ranges instantly.
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10 tools · All free · No account needed