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
🎂
Age Calculator ↗
Calculate exact age from DOB, date differences, or compare ages across your whole family with a gap matrix.
● Live
⚙️
Base64 Encoder / Decoder ↗
Encode and decode Base64, Hex and URL strings. Includes PowerShell encoded command decoder.
● Live
🔄
CIDR ↔ Wildcard Converter ↗
Convert between CIDR notation and Cisco ACL wildcard masks. Auto-generates ACL syntax.
● Live
📄
Data Format Tools ↗
Format & validate XML, convert YAML to JSON, browser-based, no data sent to any server.
● Live
📋
Event ID Lookup ↗
Look up 200+ Windows Event IDs, plain-English explanations, severity and troubleshooting tips.
● Live
🎨
HexLab, Color Tool ↗
Hex to RGB & HSL converter, visual color picker and RGB / HSL mixers.
● Live
🔀
JSON ↔ CSV Converter ↗
Convert JSON arrays to CSV and CSV back to JSON, bidirectional with delimiter options.
● Live
🔐
Password Generator ↗
Generate strong random passwords with custom length and character sets. Bulk generation supported.
● Live
📱
QR Code Generator ↗
Generate QR codes for URLs, text, Wi-Fi, email and vCard, download as PNG instantly.
● Live
🎲
Random & UUID Generator ↗
Generate random numbers, strings and UUID v4 values, cryptographically secure, bulk supported.
● Live
🔍
Regex Tester ↗
Test regular expressions with live match highlighting, group capture and a 20-pattern library.
● Live
🌐
Subnet Calculator ↗
Enter IP + CIDR, get network address, broadcast, usable host range and wildcard mask.
● Live
🔡
Text Case Converter ↗
Convert text to UPPERCASE, camelCase, snake_case, kebab-case, PascalCase and more.
● Live
🕐
Timestamp Converter ↗
Convert Unix timestamps to readable dates and dates to Unix timestamps, UTC and local time.
● Live
⚖️
UnitVerse, Unit Converter ↗
Convert 150+ units across 15 categories, length, mass, temperature, speed, data and more.
● Live
🗂️
VLSM Subnet Planner ↗
Plan VLANs by host count, auto-assigns optimal subnets with Cisco interface config output.
● Live
📝
Word Counter ↗
Count words, characters, sentences, paragraphs and reading time, with keyword frequency.
● Live