All Starto Tools in One Place
Discover our complete collection of free, easy-to-use tools for everyday tasks, calculations, and conversions.
Complete Tool Collection
Browse all our free tools organized by category
Calculators
6 tools
Time Tools
3 tools
Web Tools
2 tools
Analyzers
3 tools
URL Encoder/Decoder
Encode or decode URLs to make them web-safe or to understand encoded URLs.
Use ToolGPA Calculator
Calculate your Grade Point Average quickly and accurately for any grading system.
Use ToolAge Calculator
Find out exactly how old you are in years, months, weeks, and even days.
Use ToolPomodoro Timer
Boost your productivity with the popular Pomodoro technique timer.
Use ToolBody Fat Calculator
Estimate your body fat percentage using various proven methods.
Use ToolPercentage Calculator
Calculate percentages, percentage differences, and percentage changes.
Use ToolCheck Usernames
Check username availability across multiple social media platforms.
Use ToolBusiness Day Calculator
Calculate business days between dates, excluding weekends and holidays.
Use ToolLoan Calculator
Calculate loan payments, interest costs, and amortization schedules.
Use ToolAll Starto Tools in One Place
Discover our complete collection of free, easy-to-use tools for everyday tasks, calculations, and conversions.
Complete Tool Collection
Browse all our free tools organized by category
Calculators
6 tools
Time Tools
3 tools
Web Tools
2 tools
Analyzers
3 tools
URL Encoder/Decoder
Encode or decode URLs to make them web-safe or to understand encoded URLs.
Use ToolGPA Calculator
Calculate your Grade Point Average quickly and accurately for any grading system.
Use ToolAge Calculator
Find out exactly how old you are in years, months, weeks, and even days.
Use ToolPomodoro Timer
Boost your productivity with the popular Pomodoro technique timer.
Use ToolBody Fat Calculator
Estimate your body fat percentage using various proven methods.
Use ToolPercentage Calculator
Calculate percentages, percentage differences, and percentage changes.
Use ToolCheck Usernames
Check username availability across multiple social media platforms.
Use ToolBusiness Day Calculator
Calculate business days between dates, excluding weekends and holidays.
Use ToolLoan Calculator
Calculate loan payments, interest costs, and amortization schedules.
Use Tool