Free Online Tools — Calculators, Converters, JSON & Utilities
Browse 150+ free calculators, unit converters, encoders, and image utilities. Everything runs in your browser—fast, private, and free.
Calculators
Age Calculator
Average Calculator
Calorie Calculator
Confidence Interval Calculator
CPM Calculator
Days Calculator
Discount Calculator
GST Calculator
Hours Calculator
Loan Calculator
Margin Calculator
Month Calculator
Paypal Fee Calculator
Percentage Calculator
Probability Calculator
Sales Tax Calculator
Stripe Fee Calculator
TDEE Calculator
Color
Converters
Angle Converter
Apparent Power Converter
Area Converter
ASCII To Binary
Binary To Hex
Case Converter
Charge Converter
Color Converter
Currency Converter
Current Converter
Decimal To Binary
Decimal To Hex
Digital Converter
Each Converter
Energy Converter
Frequency Converter
Hex To Binary
Illuminance Converter
Length Converter
Number To Word Converter
Octal To Binary
Octal To Hex
Pace Converter
Parts Per Converter
Power Converter
Pressure Converter
Reactive Energy Converter
Reactive Power Converter
RGB To Hex
Speed Converter
Temperature Converter
Text To Binary
Text To Hex
Time Converter
Torque Converter
Voltage Converter
Volume Converter
Volumetric Flow Rate Converter
Weight Converter
Word To Number Converter
Data formats
Developers
Image
Other
Security & IDs
Text & content
ASCII To Text
Binary To ASCII
Binary To Decimal
Binary To Octal
Binary To Text
Comma Separator
Decimal To Octal
Decimal To Text
Disclaimer Generator
Hex To Decimal
Hex To Octal
Hex To Text
Number To Roman Numerals
Octal To Decimal
Octal To Text
Privacy Policy Generator
Random Word Generator
Remove Line Breaks
Roman Numerals To Number
Terms And Condition Generator
Text Repeater
Text Sorter
Text To ASCII
Text To Decimal
Text To Octal
Word Counter