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 |
|---|---|---|---|
|
Carats to Micrograms Converter
|
Unit Converters | Open | |
|
Carats to Milligrams Converter
|
Unit Converters | Open | |
|
Carats to Ounces Converter
|
Unit Converters | Open | |
|
Carats to Pounds Converter
|
Unit Converters | Open | |
|
Carats to Stones Converter
|
Unit Converters | Open | |
|
Carats to Tonnes Converter
|
Unit Converters | Open | |
|
Carb Cycling Calculator
|
Health & Fitness | Open | |
|
Carbon Electron Configuration
|
Chemistry Tools | Open | |
|
Carbon Element Properties
|
Chemistry Tools | Open | |
|
Carbon Footprint Calculator
|
Agriculture Tools | Open | |
|
Carbon Offset Energy Calculator
|
Energy Tools | Open | |
|
Carbon Oxidation States
|
Chemistry Tools | Open | |
|
Carbon-14 Dating Calculator
|
Physics Tools | Open | |
|
Carboplatin AUC Dose Calculator
|
Health & Fitness | Open | |
|
Card Suit Symbols
|
Symbols & Unicode | Open | |
|
Cardano to EUR Converter
|
Currency Converters | Open | |
|
Cardano to GBP Converter
|
Currency Converters | Open | |
|
Cardano to USD Converter
|
Currency Converters | Open | |
|
Cardano to VND Converter
|
Currency Converters | Open | |
|
Cardiac Output Calculator
|
Health & Fitness | Open | |
|
Caret Symbol
|
Symbols & Unicode | Open | |
|
Cargo.toml Generator
|
Developer Tools | Open | |
|
Carnot Efficiency Calculator
|
Physics Tools | Open | |
|
Carpet Calculator
|
Construction Tools | Open | |
|
Carry Trade Calculator
|
Finance Tools | Open | |
|
Carrying Capacity Calculator
|
Biology Tools | Open | |
|
Cart Abandonment Rate Calculator
|
E-Commerce Tools | Open | |
|
Cartesian Product Calculator
|
Math Calculators | Open | |
|
Cartesian To Polar Calculator
|
Math Calculators | Open | |
|
Case Converter
|
Text Tools | Open | |
|
Case Fatality Rate Calculator
|
Health & Fitness | Open | |
|
Cash on Cash Return Calculator
|
Real Estate Tools | Open | |
|
Cash Receipt Generator
|
PDF Tools | Open | |
|
Cashback Calculator
|
Finance Tools | Open | |
|
Cashews Cups to Grams
|
Food & Cooking | Open | |
|
Cashews Grams to Cups
|
Food & Cooking | Open | |
|
Casing Burst Pressure Calculator
|
Engineering Tools | Open | |
|
Castle Name Generator
|
Generators | Open | |
|
Cat Age Calculator
|
Pet Tools | Open | |
|
Cat Calorie & RER Calculator
|
Veterinary Tools | Open | |
|
Cat Food Portion Calculator
|
Pet Tools | Open | |
|
Cat Medication Dosage Calculator
|
Health & Fitness | Open | |
|
Cat Name Generator
|
Generators | Open | |
|
Cat Speak Translator
|
Text Tools | Open | |
|
Catalan Number Calculator
|
Math Calculators | Open | |
|
Catch-Up Growth Calculator
|
Health & Fitness | Open | |
|
Catering Quantity Calculator
|
Food & Cooking | Open | |
|
Cattle Stocking Rate Calculator
|
Agriculture Tools | Open |
Showing 1,105–1,152 of 8,451 tools