Online IT & Web Utilities

Your free IT toolkit
in the browser

No installs. No sign-up. Fast, focused tools built for IT professionals and everyday users.

Available Tools
🎨
HexLab — Color Tool ↗
Hex ↔ swatch, visual color picker, RGB & HSL mixers.
● Live
🌐
Subnet Calculator ↗
Enter IP + CIDR, get network range, broadcast & usable hosts.
● Live
🔍
IP / DNS Lookup
Resolve hostnames, reverse DNS, PTR records and ASN info.
Coming Soon
📋
Event ID Lookup ↗
Enter a Windows Event ID and get a plain-English explanation.
● Live
⚙️
Base64 Encoder ↗
Encode and decode Base64, Hex and URL strings instantly.
● Live
🔊
POST Beep Decoder
Select BIOS type, input beep pattern, get the diagnosis.
Coming Soon
🔄
CIDR ↔ Wildcard ↗
Convert between CIDR notation and Cisco ACL wildcard masks.
● Live
🔒
Password Checker
Test a password against common AD complexity policy rules.
Coming Soon
🗂️
VLSM Subnet Planner ↗
Plan VLANs by name and host count — auto-assigns optimal subnets with Cisco config.
● Live