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 |
|---|---|---|---|
|
Uppercase Converter
|
Text Tools | Open | |
|
UPS Runtime Calculator
|
Electrical Tools | Open | |
|
Upsell Rate Calculator
|
Finance Tools | Open | |
|
Upside Down Text Generator
|
Text Tools | Open | |
|
Upside Down Text Generator
|
Symbols & Unicode | Open | |
|
Uranium Electron Configuration
|
Chemistry Tools | Open | |
|
Uranium Element Properties
|
Chemistry Tools | Open | |
|
Uranium Oxidation States
|
Chemistry Tools | Open | |
|
Urea Reduction Ratio Calculator
|
Health & Fitness | Open | |
|
Urine Anion Gap Calculator
|
Health & Fitness | Open | |
|
Urine Output Rate Calculator
|
Health & Fitness | Open | |
|
URL Decoder
|
Developer Tools | Open | |
|
URL Decoder
|
Developer Tools | Open | |
|
URL Encoder
|
Developer Tools | Open | |
|
URL Encoder / Decoder
|
Developer Tools | Open | |
|
URL Extractor
|
Text Tools | Open | |
|
URL Parser
|
Networking Tools | Open | |
|
URL QR Code Generator
|
Generators | Open | |
|
URL Regex Tester
|
Developer Tools | Open | |
|
URL Slug Generator
|
Text Tools | Open | |
|
URL Slug Validator
|
Developer Tools | Open | |
|
US Gallons to Barrels Converter
|
Unit Converters | Open | |
|
US Gallons to Cubic Feet Converter
|
Unit Converters | Open | |
|
US Gallons to Cubic Inches Converter
|
Unit Converters | Open | |
|
US Gallons to Cubic Meters Converter
|
Unit Converters | Open | |
|
US Gallons to Cups Converter
|
Unit Converters | Open | |
|
US Gallons to Fluid Ounces Converter
|
Unit Converters | Open | |
|
US Gallons to Liters Converter
|
Unit Converters | Open | |
|
US Gallons to Milliliters Converter
|
Unit Converters | Open | |
|
US Gallons to Pints Converter
|
Unit Converters | Open | |
|
US Gallons to Quarts Converter
|
Unit Converters | Open | |
|
US Gallons to Tablespoons Converter
|
Unit Converters | Open | |
|
US Gallons to Teaspoons Converter
|
Unit Converters | Open | |
|
US Gallons to UK Gallons Converter
|
Unit Converters | Open | |
|
US Ring Size to EU Ring Size Converter
|
Unit Converters | Open | |
|
US Ring Size to UK Ring Size Converter
|
Unit Converters | Open | |
|
US Shoe Size to CM Converter
|
Unit Converters | Open | |
|
US to EU Shoe Size Converter
|
Unit Converters | Open | |
|
US to UK Shoe Size Converter
|
Unit Converters | Open | |
|
US Visa Photo
|
Image Tools | Open | |
|
USA Capital Gains Tax Calculator
|
Finance Tools | Open | |
|
USA Corporate Tax Calculator
|
Finance Tools | Open | |
|
USA Country Facts
|
Education | Open | |
|
USA Income Tax Calculator
|
Finance Tools | Open | |
|
USA Sales Tax Calculator
|
Finance Tools | Open | |
|
USA Time Zones Overview
|
Date & Time | Open | |
|
USD to AED Converter
|
Currency Converters | Open | |
|
USD to ARS Converter
|
Currency Converters | Open |
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