A collection of web-based utilities built over the years — IP tools, DNS lookups, dev utilities, and more. Some are open source, others proprietary. Hosted services require registration with single sign-on.
Remote support and remote access tool. Connect as a customer or technician for screen sharing and remote assistance sessions.
Resolve any domain or hostname to its IP address. Quick and reliable DNS resolution tool.
Look up geographical location data for any IP address. View country, region, city, and more.
Check if any domain or IP address is online and responding. Quick ping-style status test from our server.
Look up domain registration details including registrar, creation date, expiration, and name server information.
Retrieve all DNS record types for any domain — A, AAAA, CNAME, MX, NS, TXT, SOA, and more.
Check if your mail server IP or domain appears on any email blacklists. Essential for email deliverability.
Monitor any website or server for downtime. Get email notifications only when it fails — no spam, no accounts, completely free.
Full suite of network calculators: subnet mask, network/node, IP address converter, subnet mask converter and inverter.
Enter any two values (angle, opposite, hypotenuse, adjacent) and solve the right triangle. Instant trigonometric calculations.
Generate QR codes from any text or URL. Clean, fast, and ready to scan.
Generate htpasswd-format credentials for Apache basic authentication. Quick password hashing for .htaccess protection.
Build and validate cron schedule expressions with an interactive composer. Perfect for scheduling automated tasks.
Live browser-based code editor for experimenting with HTML, CSS, and JavaScript. See results instantly as you type.
Test and inspect JavaScript key events — keyCode, charCode, which — across onKeyDown, onKeyPress, and onKeyUp.
Upload an image and convert it to a base64-encoded data URI. Useful for embedding images directly in HTML or CSS.
Convert any text string to its binary representation and back. Simple and fast encoding utility.
Scan barcodes and QR codes directly from your webcam using your browser. No installation required.