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 |
|---|---|---|---|
|
Beck Depression Inventory Helper
|
Health & Fitness | Open | |
|
Becquerel to Curie Converter
|
Unit Converters | Open | |
|
Becquerel to Gray Converter
|
Unit Converters | Open | |
|
Becquerels to Rad Converter
|
Unit Converters | Open | |
|
Becquerels to Rem Converter
|
Unit Converters | Open | |
|
Becquerels to Sieverts Converter
|
Unit Converters | Open | |
|
Bed Leveling Shim Calculator
|
Electrical Tools | Open | |
|
Beehive Honey Yield Estimator
|
Agriculture Tools | Open | |
|
Beer-Lambert Law Calculator
|
Chemistry Tools | Open | |
|
Beer-Lambert Law Concentration Calculator
|
Biology Tools | Open | |
|
Belgium Capital Gains Tax Calculator
|
Finance Tools | Open | |
|
Belgium Corporate Tax Calculator
|
Finance Tools | Open | |
|
Belgium Mortgage Calculator
|
Finance Tools | Open | |
|
Belt Length Calculator
|
Construction Tools | Open | |
|
Belt Tension Calculator
|
Engineering Tools | Open | |
|
Bench Blast Design Calculator
|
Engineering Tools | Open | |
|
Berkelium Electron Configuration
|
Chemistry Tools | Open | |
|
Berkelium Oxidation States
|
Chemistry Tools | Open | |
|
Bernoulli Equation Calculator
|
Science Tools | Open | |
|
Bernoulli Pressure Calculator
|
Physics Tools | Open | |
|
Beryllium Electron Configuration
|
Chemistry Tools | Open | |
|
Beryllium Element Properties
|
Chemistry Tools | Open | |
|
Beryllium Oxidation States
|
Chemistry Tools | Open | |
|
Best Time To Book Estimator
|
Travel Tools | Open | |
|
Best Time to Post Finder
|
Social Media Tools | Open | |
|
BET Surface Area Calculator
|
Chemistry Tools | Open | |
|
Beta Coefficient Calculator
|
Economics Tools | Open | |
|
Beta Distribution Calculator
|
Math Calculators | Open | |
|
Beta Symbol
|
Symbols & Unicode | Open | |
|
Betz Limit Calculator
|
Engineering Tools | Open | |
|
BGN to EUR Converter
|
Currency Converters | Open | |
|
BGN to USD Converter
|
Currency Converters | Open | |
|
BHD to EUR Converter
|
Currency Converters | Open | |
|
BHD to USD Converter
|
Currency Converters | Open | |
|
Bibliography Formatter
|
Education | Open | |
|
Big Text Generator
|
Text Tools | Open | |
|
Big-O Complexity Explainer
|
Developer Tools | Open | |
|
Biga Calculator
|
Food & Cooking | Open | |
|
Bilinear Interpolation Calculator
|
Math Calculators | Open | |
|
Bilirubin Unit Converter
|
Health & Fitness | Open | |
|
Bill Split By Percentage
|
Finance Tools | Open | |
|
Bill Splitter
|
Productivity | Open | |
|
Billable Hours Calculator
|
Productivity | Open | |
|
Billable Utilization Calculator
|
HR & Payroll | Open | |
|
Binary Calculator
|
Number Tools | Open | |
|
Binary Code Translator
|
Text Tools | Open | |
|
Binary Decoder
|
Developer Tools | Open | |
|
Binary Encoder
|
Developer Tools | Open |
Showing 673–720 of 8,445 tools