All Free Tools
8,451 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 |
|---|---|---|---|
|
Crop Factor Calculator
|
Photography Tools | Open | |
|
Crop Yield Calculator
|
Agriculture Tools | Open | |
|
Cropland GHG Calculator
|
Agriculture Tools | Open | |
|
Cross Elasticity of Demand Calculator
|
Finance Tools | Open | |
|
Cross Mark Symbol
|
Symbols & Unicode | Open | |
|
Cross Product Calculator
|
Math Calculators | Open | |
|
Cross Stitch Fabric Calculator
|
Number Tools | Open | |
|
Cross-Entropy Loss Calculator
|
Developer Tools | Open | |
|
Crossfade Length Calculator
|
Audio Tools | Open | |
|
Crosslink Density Calculator
|
Chemistry Tools | Open | |
|
Crossover Frequency Calculator
|
Physics Tools | Open | |
|
Crosswind Component Calculator
|
Aviation Tools | Open | |
|
Crossword Grid Helper
|
Gaming Tools | Open | |
|
Crown-to-Root Ratio Calculator
|
Health & Fitness | Open | |
|
Crusher Reduction Ratio
|
Engineering Tools | Open | |
|
Cryoprecipitate Dose Calculator
|
Health & Fitness | Open | |
|
Crypto DCA Calculator
|
Crypto Tools | Open | |
|
Crypto Fear & Greed Index Explainer
|
Crypto Tools | Open | |
|
Crypto Mining Profit Calculator
|
Finance Tools | Open | |
|
Crypto Portfolio Allocator
|
Crypto Tools | Open | |
|
Crypto Position Size Calculator
|
Crypto Tools | Open | |
|
Crypto Profit Calculator
|
Finance Tools | Open | |
|
Crypto Staking Calculator
|
Crypto Tools | Open | |
|
Crypto Tax Estimator
|
Crypto Tools | Open | |
|
Crypto Wallet Address Validator
|
Crypto Tools | Open | |
|
Cryptographic Nonce Generator
|
Security & Privacy | Open | |
|
Cryptographic Nonce Generator
|
Security & Privacy | Open | |
|
Cryptographic Prime Number Generator
|
Computer Science Tools | Open | |
|
Crystal Load Capacitance Calculator
|
Electrical Tools | Open | |
|
Crystallinity Percent Calculator
|
Chemistry Tools | Open | |
|
Crystallization Yield Calculator
|
Chemistry Tools | Open | |
|
CS2 Rating Calculator
|
Sports Tools | Open | |
|
CSRF Token Generator
|
Security & Privacy | Open | |
|
CSS Animation Generator
|
Developer Tools | Open | |
|
CSS Beautifier
|
Developer Tools | Open | |
|
CSS Border Radius Generator
|
Developer Tools | Open | |
|
CSS Box Shadow Generator
|
Developer Tools | Open | |
|
CSS Clamp Generator
|
Developer Tools | Open | |
|
CSS Clip-Path Generator
|
Developer Tools | Open | |
|
CSS Color Names List
|
Color Tools | Open | |
|
CSS color-mix() Builder
|
Developer Tools | Open | |
|
CSS Custom Property Inspector
|
Developer Tools | Open | |
|
CSS Filter Generator
|
Developer Tools | Open | |
|
CSS Flex Basis Calculator
|
Design Tools | Open | |
|
CSS Flexbox Playground
|
Developer Tools | Open | |
|
CSS Formatter / Beautifier
|
Developer Tools | Open | |
|
CSS Gradient Generator
|
Color Tools | Open | |
|
CSS Grid Generator
|
Developer Tools | Open |
Showing 1,585–1,632 of 8,451 tools