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 |
|---|---|---|---|
|
Weight On Other Planets
|
Physics Tools | Open | |
|
Weighted Average Calculator
|
Math Calculators | Open | |
|
Weighted Average Inventory
|
Accounting Tools | Open | |
|
Weighted GPA Calculator
|
Education | Open | |
|
Weir Flow Rate Calculator
|
Engineering Tools | Open | |
|
Weird Text Generator
|
Text Tools | Open | |
|
Weld Size Calculator
|
Engineering Tools | Open | |
|
Weldability Carbon Equivalent Calculator
|
Engineering Tools | Open | |
|
Well Productivity Index Calculator
|
Engineering Tools | Open | |
|
Well Pump Sizing Calculator
|
Plumbing Tools | Open | |
|
Wells Asthma Score
|
Health & Fitness | Open | |
|
Wells Cellulitis Score Calculator
|
Health & Fitness | Open | |
|
Wells Criteria for DVT
|
Health & Fitness | Open | |
|
Wells Criteria for PE
|
Health & Fitness | Open | |
|
Wells Criteria for PE (Simplified) Calculator
|
Health & Fitness | Open | |
|
Wells Criteria for Recurrent DVT
|
Health & Fitness | Open | |
|
Wells DVT Score Calculator
|
Health & Fitness | Open | |
|
Wells PE Score (Pulmonary Embolism)
|
Health & Fitness | Open | |
|
Wells Score for DVT Calculator
|
Health & Fitness | Open | |
|
Werewolf Name Generator
|
Generators | Open | |
|
Wet-Bulb Temperature Calculator
|
Weather Tools | Open | |
|
Wetted Surface Area
|
Marine Tools | Open | |
|
Wetting Coefficient Calculator
|
Chemistry Tools | Open | |
|
What3words Style Converter
|
Space & Astronomy | Open | |
|
WhatsApp DP Resizer
|
Image Tools | Open | |
|
WhatsApp QR Code Generator
|
Generators | Open | |
|
Wheat Yield Estimator
|
Agriculture Tools | Open | |
|
Wheatstone Bridge Calculator
|
Physics Tools | Open | |
|
Wheel Odometry Calculator
|
Engineering Tools | Open | |
|
Wheel Offset Calculator
|
Automotive Tools | Open | |
|
Wheel Spinner
|
Generators | Open | |
|
WHIRLPOOL Hash Generator
|
Developer Tools | Open | |
|
White Noise Generator
|
Music Tools | Open | |
|
Whitespace Visualizer
|
Developer Tools | Open | |
|
Whois Lookup
|
Developer Tools | Open | |
|
Whois Lookup
|
Networking Tools | Open | |
|
Whole Wheat Flour Cups to Grams
|
Food & Cooking | Open | |
|
Whole Wheat Flour Grams to Cups
|
Food & Cooking | Open | |
|
Wholesale Price Calculator
|
E-Commerce Tools | Open | |
|
Wi-Fi QR Code Generator
|
Generators | Open | |
|
Wide Text Generator
|
Symbols & Unicode | Open | |
|
Wien's Law Calculator
|
Science Tools | Open | |
|
Wilcoxon Signed-Rank Test Calculator
|
Statistics Tools | Open | |
|
Wildcard Mask Calculator
|
Networking Tools | Open | |
|
Wilks Coefficient Calculator
|
Health & Fitness | Open | |
|
Wilks Score Calculator
|
Sports Tools | Open | |
|
Win Rate Calculator
|
Finance Tools | Open | |
|
Wind Chill Calculator
|
Weather Tools | Open |
Showing 8,161–8,208 of 8,445 tools