All Free Tools
8,451 free online tools across 85 categories
Every tool here runs in your browser — no sign-up, no upload, nothing to install. Convert files, format code, generate text, run calculations, and check SEO across PDF, image, developer, finance, and unit-conversion tools. Pick one and start.
| Tool | Category | Description | Action |
|---|---|---|---|
|
Cattle Weight Estimator
|
Veterinary Tools | Open | |
|
CBR Value Helper
|
Engineering Tools | Open | |
|
cd/m2 to Stilb Converter
|
Unit Converters | Open | |
|
cd/m² to Foot-lamberts Converter
|
Unit Converters | Open | |
|
CD4 Percent Calculator
|
Health & Fitness | Open | |
|
CDN Cost Estimator
|
Dev Utilities | Open | |
|
Ceiling Fan Size Calculator
|
Engineering Tools | Open | |
|
Cell Density Calculator
|
Science Tools | Open | |
|
Cell Doubling Time Calculator
|
Science Tools | Open | |
|
Celsius to Fahrenheit Converter
|
Unit Converters | Open | |
|
Celsius to Kelvin Converter
|
Unit Converters | Open | |
|
Celsius to Rankine Converter
|
Unit Converters | Open | |
|
Celsius to Reaumur Converter
|
Unit Converters | Open | |
|
Celtic Name Generator
|
Generators | Open | |
|
Cent Symbol
|
Symbols & Unicode | Open | |
|
Centaur Name Generator
|
Generators | Open | |
|
Center of Gravity Calculator
|
Engineering Tools | Open | |
|
Center Of Mass Calculator
|
Physics Tools | Open | |
|
Centimeters to Feet Converter
|
Unit Converters | Open | |
|
Centimeters to Furlongs Converter
|
Unit Converters | Open | |
|
Centimeters to Inches Converter
|
Unit Converters | Open | |
|
Centimeters to Inches Converter (cm to in + feet)
|
Unit Converters | Open | |
|
Centimeters to Kilometers Converter
|
Unit Converters | Open | |
|
Centimeters to Light Years Converter
|
Unit Converters | Open | |
|
Centimeters to Meters Converter
|
Unit Converters | Open | |
|
Centimeters to Micrometers Converter
|
Unit Converters | Open | |
|
Centimeters to Miles Converter
|
Unit Converters | Open | |
|
Centimeters to Millimeters Converter
|
Unit Converters | Open | |
|
Centimeters to Nanometers Converter
|
Unit Converters | Open | |
|
Centimeters to Nautical Miles Converter
|
Unit Converters | Open | |
|
Centimeters to Yards Converter
|
Unit Converters | Open | |
|
Centipoise to Pascal Seconds Converter
|
Unit Converters | Open | |
|
Centipoise to Poise Converter
|
Unit Converters | Open | |
|
Centor / McIsaac Score Calculator
|
Health & Fitness | Open | |
|
Centor Score Calculator
|
Health & Fitness | Open | |
|
Central Limit Theorem Demo
|
Math Calculators | Open | |
|
Centrifugal Force Calculator
|
Physics Tools | Open | |
|
Centripetal Acceleration Calculator
|
Science Tools | Open | |
|
Centripetal Force Calculator
|
Science Tools | Open | |
|
Centroid of Polygon Calculator
|
Geography Tools | Open | |
|
Cents to Ratio Calculator
|
Music Tools | Open | |
|
Cerium Electron Configuration
|
Chemistry Tools | Open | |
|
Cerium Element Properties
|
Chemistry Tools | Open | |
|
Cerium Oxidation States
|
Chemistry Tools | Open | |
|
Certificate Maker
|
PDF Tools | Open | |
|
CFM Calculator
|
Construction Tools | Open | |
|
CFM from Tonnage Calculator
|
Engineering Tools | Open | |
|
CFM to GPM Converter
|
Unit Converters | Open |
Showing 1,153–1,200 of 8,451 tools