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 |
|---|---|---|---|
|
AES Encryption Key Generator
|
Generators | Open | |
|
AES Key Strength Analyzer
|
Developer Tools | Open | |
|
Aesthetic Text Generator
|
Symbols & Unicode | Open | |
|
Agave Syrup Cups to Grams Converter
|
Food & Cooking | Open | |
|
Agave Syrup Grams to Cups Converter
|
Food & Cooking | Open | |
|
Age Calculator
|
Date & Time | Open | |
|
Age Calculator
|
Date & Time | Open | |
|
Age Difference Calculator
|
Date & Time | Open | |
|
Age in Days Calculator
|
Date & Time | Open | |
|
Age in Months Calculator
|
Date & Time | Open | |
|
AIFF to AAC Converter
|
Audio Tools | Open | |
|
AIFF to FLAC Converter
|
Audio Tools | Open | |
|
AIFF to M4A Converter
|
Audio Tools | Open | |
|
AIFF to MP3 Converter
|
Audio Tools | Open | |
|
AIFF to OGG Converter
|
Audio Tools | Open | |
|
AIFF to Opus Converter
|
Audio Tools | Open | |
|
AIFF to WAV Converter
|
Audio Tools | Open | |
|
AIFF to WMA Audio Converter
|
Audio Tools | Open | |
|
AIMS65 Score
|
Health & Fitness | Open | |
|
Air Conditioner BTU Calculator
|
HVAC Tools | Open | |
|
Air Fuel Ratio Calculator
|
Automotive Tools | Open | |
|
Air Quality Index Calculator
|
Engineering Tools | Open | |
|
Air-Fuel Stoichiometric Calculator
|
Engine & Combustion Tools | Open | |
|
Airbnb Revenue Estimator
|
Real Estate Tools | Open | |
|
Airdrop Value Calculator
|
Crypto Tools | Open | |
|
Airy Disk Calculator
|
Physics Tools | Open | |
|
Albumin-Globulin Ratio Calculator
|
Health & Fitness | Open | |
|
Alcohol Attenuation Calculator
|
Food & Cooking | Open | |
|
Alcohol Calories Calculator
|
Health & Fitness | Open | |
|
Alcohol Units Calculator
|
Health & Fitness | Open | |
|
Aldrete Recovery Score
|
Anesthesia Tools | Open | |
|
Aliasing Checker
|
DSP Tools | Open | |
|
Alien Name Generator
|
Generators | Open | |
|
Allele & Genotype Frequency Calculator
|
Biology Tools | Open | |
|
Allele Frequency Calculator
|
Science Tools | Open | |
|
Alligation Calculator
|
Health & Fitness | Open | |
|
Allometric Scaling Calculator
|
Biology Tools | Open | |
|
Allowance For Doubtful Accounts Calculator
|
Finance Tools | Open | |
|
Almond Flour Cups to Grams
|
Food & Cooking | Open | |
|
Almond Flour Grams to Cups Converter
|
Food & Cooking | Open | |
|
Almonds Cups to Grams
|
Food & Cooking | Open | |
|
Almonds Grams to Cups
|
Food & Cooking | Open | |
|
Alpha Symbol
|
Symbols & Unicode | Open | |
|
Alphabetical Line Sorter
|
Text Tools | Open | |
|
Alt Text Length Checker
|
Accessibility Tools | Open | |
|
Alternating Case Converter
|
Text Tools | Open | |
|
Altitude Air Pressure Calculator
|
Travel Tools | Open | |
|
Altitude Azimuth Calculator
|
Space & Astronomy | Open |
Showing 193–240 of 8,445 tools