All Free Tools
8,445 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 |
|---|---|---|---|
|
Dried Cranberries Cups to Grams
|
Food & Cooking | Open | |
|
Dried Cranberries Grams to Cups
|
Food & Cooking | Open | |
|
Drilling Mud Weight Calculator
|
Engineering Tools | Open | |
|
Drink Emoji List
|
Symbols & Unicode | Open | |
|
Drip Fertigation Calculator
|
Science Tools | Open | |
|
Drip Line Flow Rate Calculator
|
Agriculture Tools | Open | |
|
Driving Time Estimator
|
Travel Tools | Open | |
|
Drug Burden Index Calculator
|
Health & Fitness | Open | |
|
Drug Clearance Calculator
|
Health & Fitness | Open | |
|
Drug Elution Rate Calculator
|
Health & Fitness | Open | |
|
Druid Name Generator
|
Generators | Open | |
|
Dry Brine Calculator
|
Food & Cooking | Open | |
|
Drywall Calculator
|
Construction Tools | Open | |
|
Duckworth-Lewis Calculator
|
Sports Tools | Open | |
|
Duct Friction Loss Calculator
|
Engineering Tools | Open | |
|
Duct Size Calculator
|
Construction Tools | Open | |
|
Duct Velocity Calculator
|
Engineering Tools | Open | |
|
Due Date Calculator
|
Health & Fitness | Open | |
|
Duke Endocarditis Criteria
|
Health & Fitness | Open | |
|
Duke Treadmill Score Calculator
|
Health & Fitness | Open | |
|
Dummy Image Generator
|
Generators | Open | |
|
Dungeon Name Generator
|
Generators | Open | |
|
Duplicate Word Remover
|
Text Tools | Open | |
|
DuPont Analysis Calculator
|
Economics Tools | Open | |
|
Dwarf Name Generator
|
Generators | Open | |
|
Dye Bath Ratio Calculator
|
Reference Tools | Open | |
|
Dynamic Pressure Calculator
|
Physics Tools | Open | |
|
Dynes to Kilogram-force Converter
|
Unit Converters | Open | |
|
Dynes to Kilonewtons Converter
|
Unit Converters | Open | |
|
Dynes to Newtons Converter
|
Unit Converters | Open | |
|
Dynes to Pound-force Converter
|
Unit Converters | Open | |
|
Dysprosium Electron Configuration
|
Chemistry Tools | Open | |
|
Dysprosium Oxidation States
|
Chemistry Tools | Open | |
|
DZD to EUR Converter
|
Currency Converters | Open | |
|
DZD to USD Converter
|
Currency Converters | Open | |
|
EAN 13 Barcode Generator
|
Generators | Open | |
|
Earned Value Calculator
|
Productivity | Open | |
|
Earnings Per Share Calc
|
Accounting Tools | Open | |
|
Earth Tone Palette Generator
|
Color Tools | Open | |
|
Earthquake Energy Calculator
|
Science Tools | Open | |
|
Earthwork Cut and Fill Calculator
|
Engineering Tools | Open | |
|
Easter Date Calculator
|
Date & Time | Open | |
|
eBay Fee Calculator
|
E-Commerce Tools | Open | |
|
EBITDA Calculator
|
Economics Tools | Open | |
|
Ebook Cover Resizer
|
Image Tools | Open | |
|
EC2 Instance Cost Calculator
|
Developer Tools | Open | |
|
ECG Rate Calculator
|
Biomedical Engineering Tools | Open | |
|
ECOG Performance Status Scale
|
Health & Fitness | Open |
Showing 2,161–2,208 of 8,445 tools