tools
Age Calculator and Other Useful Data Tools
Find your exact age from a birth date, convert measurement units, and work with Unix timestamps using free online data tools.
Xuvero Blog
Tips, tutorials, and updates from our team.
tools
Free Invoice PDF Generator — Create Invoices Online
How to create a professional PDF invoice: details, line items, taxes. Free, no signup, everything in your browser.
ai
AI Content Detector — Check If Text Was Written by AI
How to check if text was written by ChatGPT, Claude, or other AI. Marker detection and content humanization.
finance
Salary Calculator Ukraine — Gross to Net, PDFO, ESV
How to calculate net salary in Ukraine: PDFO 18%, military levy 5%, ESV 22%. Formulas and examples for 2025-2026.
finance
FOP Tax Calculator Ukraine — Groups 1-4, ESV, Single Tax
How to calculate FOP taxes in Ukraine: single tax, ESV, military levy for groups 1-4. Current 2025-2026 rates with examples.
productivity
Free Pomodoro Timer Online — Boost Your Productivity
How the Pomodoro Technique helps you focus and get more done. Free online timer with customization and statistics.
tools
Free QR Code Generator — Create Codes in Seconds
How to create a free QR code for URLs, Wi-Fi, email, or phone numbers. Step-by-step guide with examples.
network
WHOIS: How to Check Domain Information
What is WHOIS, how the protocol works, what information you can find about a domain. WHOIS Privacy, GDPR impact, practical use cases, and online lookup.
tools
Best Free Online Text Tools in 2026
Overview of the best free text tools: word counter, case converter, text comparison, and Lorem Ipsum generator for everyday tasks.
tools
Unit Conversion: Complete Online Calculator
Convert meters to feet, kilograms to pounds, Celsius to Fahrenheit, and more units online.
development
JSON, CSV, XML: How to Convert Data Between Formats
Comparison of data formats JSON, CSV, and XML. When to use each format and how to quickly convert between them using online tools.
network
IP Address: What It Is and How to Find Yours
Everything about IP addresses: IPv4 vs IPv6 differences, public vs private IP, geolocation, VPN usage, and privacy protection. Check your IP online.