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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 |
|---|---|---|---|
|
Cable Size Calculator
|
Engineering Tools | Open | |
|
CAC Payback Period Calculator
|
Finance Tools | Open | |
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Cache Hit Ratio Calculator
|
Databases | Open | |
|
Cache Size Calculator
|
Computer Science Tools | Open | |
|
Cache TTL Helper
|
Dev Utilities | Open | |
|
CAD to EUR Converter
|
Currency Converters | Open | |
|
CAD to GBP Converter
|
Currency Converters | Open | |
|
CAD to USD Currency Converter
|
Currency Converters | Open | |
|
Cadmium Electron Configuration
|
Chemistry Tools | Open | |
|
Cadmium Element Properties
|
Chemistry Tools | Open | |
|
Cadmium Oxidation States
|
Chemistry Tools | Open | |
|
Caesar Shift Cipher Tool
|
Text Tools | Open | |
|
Caesium Electron Configuration
|
Chemistry Tools | Open | |
|
Caesium Element Properties
|
Chemistry Tools | Open | |
|
Caesium Oxidation States
|
Chemistry Tools | Open | |
|
Caffeine Half-Life Calculator
|
Health & Fitness | Open | |
|
CAGE Questionnaire
|
Health & Fitness | Open | |
|
CAGR Calculator
|
Finance Tools | Open | |
|
Cake Flour Cups to Grams
|
Food & Cooking | Open | |
|
Cake Flour Grams to Cups
|
Food & Cooking | Open | |
|
Calcium Correction for Albumin Calculator
|
Health & Fitness | Open | |
|
Calcium Electron Configuration
|
Chemistry Tools | Open | |
|
Calcium Element Properties
|
Chemistry Tools | Open | |
|
Calcium Oxidation States
|
Chemistry Tools | Open | |
|
Calcium Unit Converter
|
Health & Fitness | Open | |
|
Californium Electron Configuration
|
Chemistry Tools | Open | |
|
Californium Oxidation States
|
Chemistry Tools | Open | |
|
Calligraphy Font Generator
|
Text Tools | Open | |
|
Calorie Burn Rowing Calculator
|
Fitness Tools | Open | |
|
Calorie Calculator for Weight Goal
|
Beauty Tools | Open | |
|
Calorie Deficit Calculator for Weight Goal
|
Health & Fitness | Open | |
|
Calorie Density Calculator
|
Health & Fitness | Open | |
|
Calorie In Recipe Calculator
|
Food & Cooking | Open | |
|
Calories Burned by Activity
|
Sports Tools | Open | |
|
Calories Burned Calculator
|
Health & Fitness | Open | |
|
Calories Burned Cycling
|
Sports Tools | Open | |
|
Calories Burned Running
|
Sports Tools | Open | |
|
Calories Burned Swimming Calculator
|
Sports Tools | Open | |
|
Calories to BTU Converter
|
Unit Converters | Open | |
|
Calories to Electronvolts Converter
|
Unit Converters | Open | |
|
Calories to Foot-Pounds Converter
|
Unit Converters | Open | |
|
Calories to Joules Converter
|
Unit Converters | Open | |
|
Calories to Joules Converter
|
Unit Converters | Open | |
|
Calories to Kilocalories Converter
|
Unit Converters | Open | |
|
Calories to Kilojoules Converter
|
Unit Converters | Open | |
|
Calories to Kilowatt Hours Converter
|
Unit Converters | Open | |
|
Calories to Watt Hours Converter
|
Unit Converters | Open | |
|
CAM Delirium Helper
|
Health & Fitness | Open |
Showing 1,009–1,056 of 8,451 tools