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 |
|---|---|---|---|
|
APRI Score Calculator (Liver Fibrosis)
|
Health & Fitness | Open | |
|
April Birth Flower
|
Reference Tools | Open | |
|
April Birthstone
|
Reference Tools | Open | |
|
APY to APR Converter
|
Crypto Tools | Open | |
|
Aquarium Volume Calculator
|
Pet Tools | Open | |
|
Aquarius Zodiac Sign Info
|
Astrology Tools | Open | |
|
Arabic Transliterator
|
Language Tools | Open | |
|
Arc Flash Calculator
|
Engineering Tools | Open | |
|
Arc Flash Incident Energy Calculator
|
Electrical Tools | Open | |
|
Arc Length Calculator
|
Math Calculators | Open | |
|
Arccosine Calculator
|
Math Calculators | Open | |
|
Archery Score Calculator
|
Sports Tools | Open | |
|
Arcminutes to Arcseconds Converter
|
Unit Converters | Open | |
|
Arcminutes to Degrees Converter
|
Unit Converters | Open | |
|
Arcminutes to Gradians Converter
|
Unit Converters | Open | |
|
Arcminutes to Radians Converter
|
Unit Converters | Open | |
|
Arcminutes to Turns Converter
|
Unit Converters | Open | |
|
Arcseconds to Arcminutes Converter
|
Unit Converters | Open | |
|
Arcseconds to Degrees Converter
|
Unit Converters | Open | |
|
Arcseconds to Gradians Converter
|
Unit Converters | Open | |
|
Arcseconds to Radians Converter
|
Unit Converters | Open | |
|
Arcseconds to Turns Converter
|
Unit Converters | Open | |
|
Arcsine Calculator
|
Math Calculators | Open | |
|
Arctangent Calculator
|
Math Calculators | Open | |
|
Area By Coordinates
|
Geography Tools | Open | |
|
Area of a Circle Calculator
|
Math Calculators | Open | |
|
Area of a Decagon Calculator
|
Math Calculators | Open | |
|
Area of a Heptagon Calculator
|
Math Calculators | Open | |
|
Area of a Hexagon Calculator
|
Math Calculators | Open | |
|
Area of a Kite Calculator
|
Math Calculators | Open | |
|
Area of a Nonagon Calculator
|
Math Calculators | Open | |
|
Area of a Parallelogram Calculator
|
Number Tools | Open | |
|
Area of a Pentagon Calculator
|
Math Calculators | Open | |
|
Area of a Rectangle Calculator
|
Number Tools | Open | |
|
Area of a Regular Polygon Calculator
|
Math Calculators | Open | |
|
Area of a Rhombus Calculator
|
Math Calculators | Open | |
|
Area of a Right Triangle Calculator
|
Number Tools | Open | |
|
Area of a Sector Calculator
|
Math Calculators | Open | |
|
Area of a Semicircle Calculator
|
Math Calculators | Open | |
|
Area of a Square Calculator
|
Number Tools | Open | |
|
Area of a Trapezoid Calculator
|
Math Calculators | Open | |
|
Area of a Triangle Calculator
|
Number Tools | Open | |
|
Area of an Annulus Calculator
|
Math Calculators | Open | |
|
Area of an Ellipse Calculator
|
Math Calculators | Open | |
|
Area of an Equilateral Triangle Calculator
|
Number Tools | Open | |
|
Area of an Octagon Calculator
|
Math Calculators | Open | |
|
Area of Circular Segment Calculator
|
Math Calculators | Open | |
|
Area of Triangle from Coordinates
|
Math Calculators | Open |
Showing 337–384 of 8,445 tools