Your one-stop technical toolbox
Free online tools for IT pros, sysadmins and developers. DNS, SSL, security, networking and more — no login required.
Browse by category
Security Tools
Password generators, hash tools, JWT decoder and security utilities.
Developer Tools
JSON formatter, Base64, URL encode, regex tester and developer utilities.
DNS & Domain
DNS lookups, WHOIS, SPF, DKIM, DMARC and domain expiry checks.
IP & Network
IP lookup, CIDR calculator, subnet tools, port checker and traceroute.
Web & SSL
HTTP headers, SSL checker, redirect tracer and website status checks.
Email & Deliverability
Email header analysis, SPF/DMARC generators, blacklist checks and SMTP tests.
Time & Generators
Timestamp converter, QR codes, random generators and test data tools.
Scripts
Operational script library split into MSP scripts, Linux scripts, and Windows scripts.
Quick URL Shortener
Shorten any link in one click. Links expire after 24 hours — need custom aliases?