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 |
|---|---|---|---|
|
Foot-lamberts to Stilb Converter
|
Unit Converters | Open | |
|
Foot-Pound per Minute to Watt Converter
|
Unit Converters | Open | |
|
Football Passer Rating Calculator
|
Sports Tools | Open | |
|
Football Points Calculator
|
Sports Tools | Open | |
|
For All Symbol
|
Symbols & Unicode | Open | |
|
Force Calculator
|
Science Tools | Open | |
|
Forest Carbon Calculator
|
Agriculture Tools | Open | |
|
Forex Compounding Calculator
|
Finance Tools | Open | |
|
Forex Lot Size Calculator
|
Finance Tools | Open | |
|
Forex Position Size Calculator
|
Finance Tools | Open | |
|
Forex Swap Rate Calculator
|
Finance Tools | Open | |
|
Formal Charge Calculator
|
Chemistry Tools | Open | |
|
Formation Volume Factor Calculator
|
Engineering Tools | Open | |
|
Formula Mass Calculator
|
Chemistry Tools | Open | |
|
Formula Mixing Calculator
|
Health & Fitness | Open | |
|
Forward Kinematics 2DOF
|
Engineering Tools | Open | |
|
Foundation Load Calculator
|
Engineering Tools | Open | |
|
Fourier Series Calculator
|
Math Calculators | Open | |
|
FOV Game Calculator
|
Gaming Tools | Open | |
|
FOV to Focal Length Game Calculator
|
Gaming Tools | Open | |
|
Fraction Calculator
|
Number Tools | Open | |
|
Fraction Calculator (Educational)
|
Math Calculators | Open | |
|
Fraction Simplifier
|
Math Calculators | Open | |
|
Fraction Symbols
|
Symbols & Unicode | Open | |
|
Fraction To Decimal Calculator
|
Math Calculators | Open | |
|
Fraction to Decimal Converter
|
Number Tools | Open | |
|
Fraction Visualizer
|
Math Calculators | Open | |
|
Fractional Excretion of Sodium (FENa) Calculator
|
Health & Fitness | Open | |
|
Fractional Excretion of Urea Calculator
|
Health & Fitness | Open | |
|
Fractional Shortening Calculator
|
Health & Fitness | Open | |
|
Frailty Index Calculator
|
Health & Fitness | Open | |
|
Fraktur / Gothic Text Converter
|
Text Tools | Open | |
|
Frame Data Calculator
|
Gaming Tools | Open | |
|
Frame-Accurate Timecode Calculator
|
Video Tools | Open | |
|
Framingham 10-Year Cardiovascular Risk Calculator — CHD, Heart
|
Health & Fitness | Open | |
|
Framingham Risk Score Calculator
|
Health & Fitness | Open | |
|
Franc Symbol
|
Symbols & Unicode | Open | |
|
France Capital Gains Tax Calculator
|
Finance Tools | Open | |
|
France Corporate Tax Calculator
|
Finance Tools | Open | |
|
France Country Facts
|
Culture & Trivia | Open | |
|
France Income Tax Calculator
|
Finance Tools | Open | |
|
France Mortgage Calculator
|
Finance Tools | Open | |
|
France Time Zones Overview
|
Culture & Trivia | Open | |
|
France VAT Calculator
|
Finance Tools | Open | |
|
Francium Electron Configuration
|
Chemistry Tools | Open | |
|
Francium Oxidation States
|
Chemistry Tools | Open | |
|
FRAX Fracture Risk Calculator
|
Health & Fitness | Open | |
|
Free Fall Calculator
|
Science Tools | Open |
Showing 2,737–2,784 of 8,445 tools