Complete Tools Directory
Browse all 267 free online tools, sorted alphabetically for easy access
A
Academic Year Calculator
Calculate academic year information
Acronym Generator
Generate memorable acronyms from phrases
Age Calculator
Calculate your exact age in years, months, and days
Age in Days Calculator
Calculate age in days, hours, minutes
Amortization Calculator
Generate loan amortization schedule
Annuity Calculator
Calculate annuity payments and values
ANOVA Calculator
Perform one-way ANOVA analysis
Aspect Ratio Calculator
Calculate and scale aspect ratios
Aspect Ratio Calculator (Advanced)
Calculate aspect ratios and matching resolutions
Average Calculator
Calculate mean, median, mode, and range
B
Base64 Encoder/Decoder
Encode and decode Base64 strings
Base64 to Image Converter
Decode Base64 strings back to images
Bcrypt Generator/Tester
Generate and test Bcrypt password hashes
Binary Converter
Convert between binary and decimal
BMI Calculator
Calculate your Body Mass Index quickly and accurately
BMR Calculator
Calculate basal metabolic rate and daily calories
Board Foot Calculator
Calculate lumber volume in board feet
Body Fat Calculator
Calculate body fat percentage
Bond Calculator
Calculate bond yield and price
Box Shadow Generator
Generate CSS box shadow code visually
Break Even Calculator
Calculate break-even point for business
Brick/Block Wall Calculator
Calculate bricks or blocks needed for walls
Business Days Calculator
Calculate business days between dates
Bytes Converter
Convert between bytes, KB, MB, GB, TB
C
Calculator
Simple and powerful calculator for everyday calculations
Case Converter
Convert text between different cases
Change JPG to PDF
Change JPG files to PDF format
Change PNG to JPG
Change PNG files to JPG format
Character Counter
Count characters, letters, and spaces in your text
ChatGPT Cheat Sheet
ChatGPT prompts and tips reference guide
Chi-Square Calculator
Perform chi-square goodness of fit test
Coin Flipper
Flip virtual coins for decisions and games
Color Contrast Checker
Check color contrast ratios for WCAG accessibility
Color Palette Generator
Generate harmonious color palettes
Color Picker
Pick colors and get HEX, RGB, and HSL codes
Combination Calculator
Calculate combinations (nCr)
Commission Calculator
Calculate sales commission earnings
Compound Interest Calculator
Calculate compound interest and investment growth
Concrete Calculator
Calculate concrete needed for slabs and footings
Concrete Column Calculator
Calculate concrete for cylindrical columns and footings
Confidence Interval Calculator
Calculate confidence intervals for statistics
Convert Picture to PDF
Convert any picture to PDF format
Convert PNG to JPG
Convert PNG files to JPG format quickly
Converting PDF to PNG
Convert PDF documents to PNG images
Cooking Measurement Converter
Convert cooking measurements and ingredients
Correlation Calculator
Calculate correlation coefficient between datasets
Countdown Timer
Custom countdown timer to any date
CPM/CPC/CTR Calculator
Calculate digital marketing metrics
CRON Job Schedule Parser
Parse CRON expressions into human-readable format
Crown Molding/Baseboard Calculator
Calculate linear feet of molding or baseboard
CSS Beautifier
Format and beautify CSS code with proper indentation
CSS Cheat Sheet
Complete CSS properties reference guide
CSS Clip-Path Generator
Create complex shapes with CSS clip-path
CSS Gradient Generator
Generate CSS gradient code visually
CSS Minifier
Minify and compress CSS code to reduce file size
CSS Triangle Generator
Generate CSS triangles with visual editor
CSV to JSON Converter
Convert CSV to JSON format easily
Currency Converter
Convert between world currencies
D
Daily Calorie Calculator
Calculate daily calorie needs and macros
Date Duration Calculator
Calculate duration between two dates
Days Until Calculator
Calculate days until any date with countdown timer
Debt Payoff Calculator
Plan debt payoff strategy and timeline
Decision Wheel Spinner
Spin a decision wheel to make random choices
Decking Calculator
Calculate decking boards and materials needed
Depreciation Calculator
Calculate asset depreciation over time
Dice Roller
Roll virtual dice for games and decisions
Discount Calculator
Calculate discounts and final prices instantly
Distance Converter
Convert between kilometers, miles, and other distance units
Docker Cheat Sheet
Docker commands and workflows reference
Download Time Calculator
Calculate file download time based on speed
Drywall Calculator
Calculate drywall sheets needed for walls
Due Date Calculator
Calculate baby due date from LMP
Duplicate Words Finder
Find repeated words in text
E
F
Factorial Calculator
Calculate factorials of numbers
Fake Name/Address Generator
Generate realistic fake user data
Favicon Generator
Generate favicons from images
Fence Material Calculator
Calculate fence posts, rails, and pickets needed
Fibonacci Generator
Generate Fibonacci sequence numbers
Flexbox Cheat Sheet
CSS Flexbox properties reference guide
Flooring Calculator
Calculate flooring materials needed for rooms
Font Style Tester
Test text with various Google Fonts
Format JPG to PDF
Format and convert JPG images to PDF
Fraction Calculator
Calculate and simplify fractions
Fuel Cost Calculator
Calculate fuel cost for trips
Future Value Calculator
Calculate future value of investments
G
GCD Calculator
Calculate Greatest Common Divisor (GCD)
Git Cheat Sheet
Comprehensive Git workflow reference guide
Git Commands Cheat Sheet
Essential Git commands reference guide
Gitignore Generator
Generate .gitignore files for your tech stack
GPA Calculator
Calculate GPA and cumulative grade point average
GPA Calculator (Weighted)
Calculate weighted GPA with credits and honors
GPA to Percentage Converter
Convert GPA to percentage grade
Grade Calculator
Calculate grades from test scores
Gravel/Sand/Soil Calculator
Calculate aggregate and soil volume needed
H
Hex Converter
Convert between hex and decimal
Hex to RGB Converter
Convert HEX color codes to RGB values
Hourly to Salary Calculator
Convert hourly rate to annual salary
Htaccess Redirect Generator
Generate Apache .htaccess redirect rules
HTML Cheat Sheet
Complete HTML reference with all tags and elements
HTML Encoder/Decoder
Encode and decode HTML entities
HTML Stripper
Remove all HTML tags from text
HTML Table Generator
Generate HTML tables with customizable rows and columns
I
Ideal Weight Calculator
Calculate ideal body weight range
Image Color Extractor
Extract color palette from images
Image Cropper
Crop images to specific dimensions
Image Flipper/Rotator
Flip and rotate images
Image Resizer
Resize images to custom dimensions
Image to Base64 Converter
Convert images to Base64 encoded strings
Image to Grayscale Converter
Convert color images to grayscale
Inflation Calculator
Calculate inflation impact on purchasing power
Inflation Calculator (Historical)
Calculate historical value of money
Insulation R-Value Calculator
Calculate insulation R-value requirements
Investment Calculator
Calculate investment returns and growth
J
JavaScript Beautifier
Format and beautify JavaScript code with proper indentation
JavaScript Cheat Sheet
JavaScript programming reference guide
JavaScript Minifier
Minify and compress JavaScript code to reduce file size
JPEG PNG Converter
Convert between JPEG and PNG formats
JPEG to PDF Converter
Convert JPEG images to PDF instantly
JPEG to PNG Converter
Convert JPEG images to PNG with transparency
JPG into PDF Converter
Insert JPG images into PDF
JPG to PDF Converter
Convert JPG and JPEG images to PDF instantly
JPG to PNG Converter
Convert JPG/JPEG images to PNG format with transparency support
JPG to PNG Converter Online
Online JPG to PNG converter tool
JSON Formatter/Validator
Format, validate, and beautify JSON
JSON to CSV Converter
Convert JSON to CSV format with options
JWT Decoder
Decode and validate JSON Web Tokens (JWT)
L
LCM Calculator
Calculate Least Common Multiple (LCM)
Leap Year Calculator
Check if year is a leap year
Length Converter
Convert between meters, feet, inches, and more
Line Break Remover
Remove line breaks from text
Loan Calculator
Calculate loan payments, interest rates, and repayment schedules
Loan Payoff Calculator
Calculate loan payoff time and save on interest
Lorem Ipsum (Custom) Generator
Generate custom lorem ipsum text
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text for your designs
M
Macronutrient Calculator
Calculate macro split for goals
Markdown Cheat Sheet
Complete Markdown syntax reference guide
Markdown Table Generator
Create Markdown tables easily
Markup Calculator
Calculate markup percentage and selling price
MD5 Hash Generator
Generate MD5 hash from text
Meta Tag Generator
Generate HTML meta tags for SEO
Metronome
Online metronome with tempo and time signature options
MongoDB Cheat Sheet
MongoDB commands and queries reference
Morse Code Translator
Translate text to Morse code and decode Morse code
Mortgage Calculator
Calculate mortgage payments, total interest, and amortization schedules
Mulch Calculator
Calculate mulch needed for garden beds
N
O
P
Pace Calculator
Calculate running pace, time, and distance
Paint Calculator
Calculate paint needed for walls and ceilings
Pandas Cheat Sheet
Python Pandas library reference guide
Password Generator
Generate strong, secure passwords with custom options
Paver Calculator
Calculate pavers needed for patios and walkways
Paycheck Calculator
Calculate take-home pay after deductions
PDF to JPG (Alternative)
Convert PDF to JPG images
PDF to JPG Converter
Convert PDF pages to JPG images
PDF to PNG Converter
Convert PDF pages to PNG images
PDF to PNG File Converter
Convert PDF files to PNG format
Percentage Calculator
Calculate percentages, increases, and decreases
Percentage to Decimal Converter
Convert percentages to decimals and vice versa
Percentage to Grade Converter
Convert percentage to letter grade
Permutation Calculator
Calculate permutations (nPr)
Pixel to REM/EM Converter
Convert pixels to REM and EM units for responsive design
Placeholder Image Generator
Generate placeholder images with dimensions
PNG to JPEG Converter
Convert PNG to JPEG format
PNG to JPG Converter
Convert PNG images to JPG/JPEG format
PNG to PDF Converter
Convert PNG images to PDF quickly and easily
Pomodoro Timer
Pomodoro technique timer with work and break sessions
Pregnancy Calculator
Calculate pregnancy milestones and due date
Present Value Calculator
Calculate present value of future cash flows
Prime Number Checker
Check if a number is prime
Profit Margin Calculator
Calculate profit margin and markup percentage
Proportion Calculator
Solve proportions using cross multiplication
Protein Calculator
Calculate daily protein needs
Python Cheat Sheet
Python programming basics reference guide
Python Programming Cheat Sheet
Advanced Python programming reference guide
Q
R
Rafter Length Calculator
Calculate rafter length based on roof pitch
Random List Sorter
Sort and shuffle lists randomly
Random Number Generator
Generate random numbers with custom ranges and options
Random Word Generator
Generate random words with filters
Ratio Calculator
Calculate and simplify ratios
React Cheat Sheet
React fundamentals reference guide
Reading Time Calculator
Estimate reading time for text
Rebar Calculator
Calculate rebar weight and quantity for concrete
Regex Cheat Sheet
Regular expressions syntax reference guide
Regex Tester
Test and validate regular expressions
Regression Calculator
Calculate linear regression and correlation
Regular Expression Cheat Sheet
Detailed regular expression patterns guide
Retirement Calculator
Calculate retirement savings and needs
Reverse Text Generator
Reverse text by characters, words, or lines
RGB to Hex Converter
Convert RGB color values to HEX codes
Right Angle (3-4-5) Calculator
Calculate right angles using 3-4-5 method
ROI Calculator
Calculate return on investment and profitability
Roman Numeral Converter
Convert between numbers and Roman numerals
Roman Numeral Converter (Advanced)
Convert between numbers and Roman numerals
S
Salary to Hourly Calculator
Convert annual salary to hourly rate
Sales Funnel Conversion Calculator
Calculate conversion rates through sales funnel
Sales Tax Calculator
Calculate sales tax and total price
Sample Size Calculator
Calculate required sample size for surveys
Savings Goal Calculator
Calculate time to reach savings goals
Scientific Calculator
Advanced scientific calculator
Semester Calculator
Calculate academic semester dates
SERP Snippet Preview Tool
Preview how your page appears in Google search
SHA-256 Hash Generator
Generate SHA-256 hash from text
Slope and Grade Calculator
Calculate slope percentage and grade
Speed Converter
Convert between km/h, mph, and other speed units
SQL Cheat Sheet
SQL database commands reference guide
SQL Formatter/Beautifier
Format and beautify SQL queries
Square Root Calculator
Calculate square roots, cube roots, and nth roots
SSH Key Generator
Generate SSH key pairs (RSA/ED25519)
Staircase Calculator
Calculate stair dimensions and rise/run
Standard Deviation Calculator
Calculate standard deviation of a dataset
Stock Calculator
Calculate stock profit and loss
Stopwatch
Precise online stopwatch with lap timer functionality
Subnet Mask Calculator
Calculate IP subnets and network addresses
SVG Placeholder Generator
Create customizable SVG placeholder shapes
SVG to CSS Converter
Convert SVG code to CSS background-image
T
T-Test Calculator
Perform t-tests for statistical analysis
Tailwind CSS Cheat Sheet
Tailwind CSS utility classes reference
Tally Counter
Online tally counter with keyboard shortcuts
Tax Calculator
Calculate income tax and take-home pay
TDEE Calculator
Calculate Total Daily Energy Expenditure
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Test Score Calculator
Calculate test scores and grades
Text Repeater
Repeat text multiple times
Text to Slug Converter
Convert text to URL-friendly slugs
Tile Calculator
Calculate tiles needed for floors and walls
Time Calculator
Add and subtract time durations
Time Card Calculator
Calculate weekly hours and minutes
Time Difference Calculator
Calculate time difference between two dates
Time Zone Converter
Convert time between different time zones
Tip Calculator
Calculate tips and split bills easily
Title Case Converter
Convert text to proper title case
Transfer PNG to PDF
Transfer PNG files to PDF format
Turn PNG to JPG
Turn PNG images into JPG format
U
Unit Converter
Universal unit converter for all measurements
Unit Price Calculator
Compare unit prices to find better deals
Unix Timestamp Converter
Convert Unix timestamps to readable dates
Upside Down Text Generator
Convert text to upside-down Unicode characters
URL Encoder/Decoder
Encode and decode URLs
URL Parser
Parse and analyze URL components
UUID/GUID Generator
Generate random UUIDs and GUIDs
V
W
Wall Stud Calculator
Calculate studs needed for framing walls
Wallpaper Calculator
Calculate wallpaper rolls needed for walls
Water Intake Calculator
Calculate daily water intake needs
Week Number Calculator
Get week number of the year
Weight Converter
Convert between kg, pounds, ounces, and more
What Is My IP Address
Find your IP address and location
What's My Screen Resolution
Display your current screen resolution
What's My User Agent
Display your browser user agent string
Wind Chill Calculator
Calculate wind chill temperature
Word Counter
Count words, characters, sentences, and paragraphs instantly
Word Frequency Counter
Analyze word frequency in text