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 |
|---|---|---|---|
|
Electronvolts to Kilocalories Converter
|
Unit Converters | Open | |
|
Electronvolts to Kilojoules Converter
|
Unit Converters | Open | |
|
Electronvolts to Kilowatt Hours Converter
|
Unit Converters | Open | |
|
Electronvolts to Watt Hours Converter
|
Unit Converters | Open | |
|
Element Of Symbol
|
Symbols & Unicode | Open | |
|
Elevation From Coordinates
|
Space & Astronomy | Open | |
|
Elevation Gain Calculator
|
Geology Tools | Open | |
|
Elf Name Generator
|
Generators | Open | |
|
Ellipse Properties Calculator
|
Math Calculators | Open | |
|
Ellipsis Symbol
|
Symbols & Unicode | Open | |
|
Elo Rating Calculator
|
Sports Tools | Open | |
|
Elongation Calculator
|
Science Tools | Open | |
|
Em Dash
|
Symbols & Unicode | Open | |
|
em to Picas Converter
|
Unit Converters | Open | |
|
Em to Pixel Converter
|
Unit Converters | Open | |
|
em to Points Converter
|
Unit Converters | Open | |
|
Em to Rem Converter
|
Unit Converters | Open | |
|
Email Address Extractor
|
Text Tools | Open | |
|
Email CTR Calculator
|
Marketing Tools | Open | |
|
Email List Growth Rate Calculator
|
Marketing Tools | Open | |
|
Email Open Rate Calculator
|
Marketing Tools | Open | |
|
Email QR Code Generator
|
Generators | Open | |
|
Email Regex Tester
|
Developer Tools | Open | |
|
Email Signature Image Resizer
|
Image Tools | Open | |
|
Email Subject Line Tester
|
SEO Tools | Open | |
|
Embedding Dimension Helper
|
Computer Science Tools | Open | |
|
Emergency Fund Calculator
|
Finance Tools | Open | |
|
Emoji Counter
|
Symbols & Unicode | Open | |
|
Emoji Remover
|
Symbols & Unicode | Open | |
|
Emoji Search & Picker
|
Symbols & Unicode | Open | |
|
Emoji to Unicode Converter
|
Symbols & Unicode | Open | |
|
Emoticon Text Symbols
|
Symbols & Unicode | Open | |
|
Empire Name Generator
|
Generators | Open | |
|
Empirical Formula Calculator
|
Science Tools | Open | |
|
Empirical Formula from Combustion Analysis
|
Chemistry Tools | Open | |
|
Employee Turnover Rate Calculator
|
HR & Payroll | Open | |
|
Empty Set Symbol
|
Symbols & Unicode | Open | |
|
En Dash
|
Symbols & Unicode | Open | |
|
Encoder Resolution Calculator
|
Engineering Tools | Open | |
|
Encoding Time Estimator
|
Video Tools | Open | |
|
Endotracheal Tube Size Calculator
|
Anesthesia Tools | Open | |
|
Energy Balance Calculator
|
Engineering Tools | Open | |
|
Energy Cost Calculator
|
Engineering Tools | Open | |
|
Energy Savings Calculator
|
Energy Tools | Open | |
|
Energy Stored in a Capacitor Calculator
|
Physics Tools | Open | |
|
Energy Stored in an Inductor
|
Physics Tools | Open | |
|
Engagement Rate by Reach Calculator
|
Social Media Tools | Open | |
|
Engagement Rate Calculator
|
Marketing Tools | Open |
Showing 2,257–2,304 of 8,445 tools