All Tools
Browse our collection of 176 free online tools.
converters
Kilograms to Pounds Converter
Convert kg to lbs and oz
Pounds to Kilograms Converter
Convert lbs to kg and g
Base64 Encoder/Decoder
Encode/decode Base64
JSON to CSV Converter
Convert JSON to CSV and back
Centimeters to Inches Converter
Convert cm to inches
Unix Timestamp Converter
Convert Unix timestamps
Fahrenheit to Celsius Converter
Convert F to C and C to F
Fraction to Decimal Converter
Convert fractions to decimals
Color Converter
Convert between color formats
Color Picker & Converter
Pick and convert colors
Decimal to Fraction Converter
Convert decimals to fractions
Cooking Converter
Convert cooking measurements
Shoe Size Converter
Convert shoe sizes worldwide
Binary/Decimal/Hex Converter
Convert binary, decimal, hex
URL Encoder/Decoder
Encode/decode URLs
HTML Entity Encoder/Decoder
Encode/decode HTML entities
Image Compressor
Compress and resize images
Image Cropper
Crop, rotate & flip images
Image to Base64 Converter
Convert images to/from Base64
Roman Numeral Converter
Convert Roman numerals
ASCII Converter
Convert ASCII codes
Case Converter
Convert text case
Markdown to HTML Converter
Convert Markdown to HTML
Inches to Centimeters Converter
Convert inches to cm and mm
PX to REM Converter
Convert between px & rem units
Bytes Converter
Convert bytes to KB, MB, GB, TB
Timezone Converter
Convert times between timezones
Miles to Kilometers Converter
Convert miles to km and back
Morse Code Translator
Translate text to/from Morse code
Emoji Picker
Search & copy emojis
Fuel Economy Converter
Convert MPG, L/100km, km/L
Timestamp Converter
Convert timestamps with timezone support
Text Case Converter
Convert text between 12 case formats
Text to Binary Converter
Convert text to binary & back
Unit Converter
Convert any unit instantly
World Clock
Current time in cities worldwide
Area Converter
Convert between area units - sq ft, sq m, acres, hectares
Cups to mL Converter
Convert cups to milliliters for cooking and baking
Feet to Meters Converter
Convert feet to meters and meters to feet
HTML to Markdown Converter
Convert HTML to Markdown format instantly
Whitespace Remover
Remove or normalize whitespace in text
ISO 8601 Date Formatter
Convert dates to ISO 8601 format
Encoding Converter
Convert between UTF-8, ASCII, hex, Base64
Ounces to Grams Converter
Convert ounces to grams and grams to ounces
Speed Converter
Convert between mph, km/h, m/s, fps, and knots
SVG to PNG Converter
Convert SVG to PNG with custom size and background
Volume Converter
Convert between ml, L, gal, cups, fl oz and more
generators
UUID Generator
Generate random UUIDs
CSS Grid Generator
Build CSS grid layouts visually
Password Generator
Generate secure passwords
QR Code Generator
Generate QR codes
Random Number Generator
Random numbers, dice, coins & lottery
Coin Flip
Flip a coin online
Sitemap Generator
Generate XML sitemaps
URL Slug Generator
Generate URL-friendly slugs
Dice Roller
Roll dice online
CSS Flexbox Generator
Build flexbox layouts visually
Hash Generator
Generate hashes
Lorem Ipsum Generator
Generate placeholder text
Meta Tag Generator
Generate SEO meta tags
Invoice Generator
Create and print invoices
Robots.txt Generator
Generate robots.txt files
CSS Gradient Generator
Create CSS gradients visually
CSS Box Shadow Generator
Generate CSS box shadows
JWT Token Generator
Generate JWT tokens
Color Palette Generator
Generate color palettes
Barcode Generator
Generate barcodes in multiple formats
Email Signature Generator
Create HTML email signatures
Table Generator
Create tables & export as HTML, Markdown, CSV
Whiteboard / Drawing Pad
Draw and sketch on a digital whiteboard
Tone Generator
Generate audio tones at any frequency
Border Radius Generator
Generate CSS border-radius code with visual editor
Favicon Generator
Generate favicons in all sizes from one image
Image Resizer
Resize images with custom dimensions and formats
List Randomizer
Shuffle lists and pick random items from entries
Random Name Picker
Spin wheel to pick random names
SVG Optimizer
Minify or prettify SVG files to reduce size
Cron Expression Generator
Generate cron expressions visually
Placeholder Image Generator
Generate placeholder images with custom sizes
calculators
Blood Alcohol Calculator (BAC)
Estimate blood alcohol level
Date Calculator
Calculate days between dates
GPA Calculator
Calculate your GPA
Hours Calculator
Calculate work hours
Percentage Calculator
Calculate percentages
Age Calculator
Calculate your age
Amortization Calculator
Loan amortization schedule
Time Calculator
Add/subtract time
Body Fat Calculator
Calculate body fat percentage
BMI Calculator
Calculate BMI, weight, or height
Tip Calculator
Calculate tip, percentage, or bill
Tip Splitter
Split bills with tip among groups
Pace Calculator
Calculate running pace, time, or distance
Paint Calculator
Calculate paint needed for rooms
Loan Calculator
Calculate payment, amount, or term
Mortgage Calculator
Calculate mortgage payments
Business Days Calculator
Calculate business days
Calorie Calculator
Calculate daily calories
Compound Interest Calculator
Calculate compound interest
Concrete Calculator
Calculate concrete needed for your project
Pregnancy Calculator
Calculate due date & track pregnancy
BMR Calculator
Calculate basal metabolic rate
Stopwatch
Stopwatch with lap tracking
Reading Time Calculator
Estimate reading & speaking time
Sales Tax Calculator
Calculate sales tax
Salary Calculator
Convert salary to hourly
Savings Goal Calculator
Plan savings goals
Speed/Distance/Time Calculator
Calculate speed, distance, or time
Sleep Calculator
Calculate optimal sleep & wake times
Net Worth Calculator
Calculate your net worth
Ideal Weight Calculator
Calculate ideal body weight
Average Calculator
Calculate average and statistics
Rent vs Buy Calculator
Compare renting vs buying a home
Resistor Color Code Calculator
Decode resistor color bands
Scientific Calculator
Scientific calculator online
Factorial Calculator
Calculate factorials
Fibonacci Calculator
Calculate Fibonacci numbers
Binary Calculator
Calculate with binary numbers
Chmod Calculator
Calculate Unix file permissions
Heart Rate Zone Calculator
Calculate heart rate training zones
Macro Calculator
Calculate daily macros & calories
Matrix Calculator
Matrix operations & linear algebra
Countdown Timer
Countdown to any date
Investment Calculator
Calculate investment growth
Retirement Calculator
Plan retirement savings
ROI Calculator
Calculate return on investment
Inflation Calculator
Calculate inflation impact on buying power
Quadratic Equation Solver
Solve quadratic equations
Quadratic Equation Solver (Visual)
Solve with graph & steps
Probability Calculator
Calculate probabilities & combinations
Profit Margin Calculator (Advanced)
Advanced margin, markup & comparison
Pythagorean Theorem Calculator
Calculate triangle sides
Standard Deviation Calculator
Calculate standard deviation
Discount Calculator
Calculate discounts & savings
Due Date Calculator
Advanced pregnancy due date with milestones
Profit Margin Calculator
Calculate profit margins
Paycheck Calculator
Calculate take-home pay after taxes & deductions
Pomodoro Timer
Focus timer with work/break cycles
Screen Resolution / PPI Calculator
Calculate screen PPI & density
APR Calculator
Calculate loan APR
Area Calculator
Calculate area & perimeter of shapes
Aspect Ratio Calculator
Calculate aspect ratios
Break-Even Calculator
Calculate break-even point
Debt Payoff Calculator
Plan your debt payoff strategy
Electricity Cost Calculator
Calculate appliance electricity costs
Electricity Usage Calculator
Track appliance-level electricity usage
Fuel Cost Calculator
Calculate trip fuel costs
Ovulation Calculator
Calculate ovulation date and fertile window
Subnet Calculator
Calculate subnets & IP ranges
Tax Bracket Calculator
Calculate federal income tax by bracket
TDEE Calculator
Calculate total daily energy expenditure
Water Intake Calculator
Calculate daily water intake
Volume Calculator
Calculate 3D shape volume & surface area
checkers
JSON Formatter & Validator
Format & validate JSON
CSS Minifier & Beautifier
Minify or beautify CSS
HTML Minifier & Beautifier
Minify or beautify HTML
cURL to GraphQL Parser
Parse cURL to GraphQL
Character Counter
Count characters and words
Password Strength Meter
Check password strength
Word Counter
Count words and characters
Readability Score Calculator
Analyze text readability scores
HTTP Status Code Reference
Look up HTTP status codes
Regex Tester & Cheat Sheet
Test & learn regex patterns
Prime Number Checker
Check if number is prime
Markdown Previewer
Preview Markdown
Hex Editor
View & analyze binary data
What Is My IP
Find your public IP address instantly
SQL Formatter & Beautifier
Format & beautify SQL
Text Diff Checker
Compare text differences
Cron Expression Parser
Parse cron expressions
JavaScript Minifier
Minify & beautify JavaScript
JWT Decoder
Decode JWT tokens
YAML Validator & Converter
Validate & convert YAML
Typing Speed Test
Test your typing speed & accuracy
XML Formatter & Validator
Format & validate XML
IP Address Analyzer
Analyze and validate any IP address
User Agent Parser
Parse user agent strings to identify browser and device