All Free Tools
Merge PDF
Combine multiple PDF files into one.
Compress PDF
Reduce PDF file size, keep quality.
Split PDF
Extract pages or split into parts.
Protect PDF
Add a password to your PDF.
Compress Image
Reduce image file size, preserve detail.
Resize Image
Resize to any dimension, any preset.
Convert Image
JPG, PNG, WebP, BMP — any to any.
QR Code Generator
Create QR codes for URLs, text, WiFi.
Length Converter
cm, mm, inches, feet, meters and more.
Weight Converter
kg, lbs, oz, grams and more.
Temperature Converter
Celsius, Fahrenheit, Kelvin instantly.
Word Counter
Words, chars, sentences, reading time.
JSON Formatter
Validate, format, and minify JSON.
BMI Calculator
Calculate your Body Mass Index instantly. Find out if you're underweight, normal weight, o
PDF to Word
Convert PDF files to editable Word documents (.docx) instantly. Free, no signup required.
Percentage Calculator
Calculate percentages, increases, decreases, and percent of numbers instantly
Tip Calculator
Calculate tip amount and split bills for any group size instantly
Age Calculator
Calculate exact age from birth date — years, months, days instantly
Background Remover
Remove image background instantly. Download transparent PNG free.
PDF to JPG
Convert PDF pages to high-quality JPG or PNG images. Free, instant.
Unlock PDF
Remove PDF password and restrictions instantly. Free, no signup.
VAT Calculator
Add or remove VAT from any price instantly
Compound Interest Calculator
Calculate compound interest with monthly, quarterly, annual compounding
Mortgage Calculator
Monthly payment, total interest and amortization schedule
ROI Calculator
Calculate return on investment as percentage and absolute gain
FIRE Calculator
Calculate when you can retire with the FIRE method
401k Calculator
Project 401k balance at retirement with employer match
Loan Calculator
Monthly payments and total interest for any personal loan
Savings Goal Calculator
How long to reach your savings goal with monthly deposits
Net Worth Calculator
Calculate total net worth from assets and liabilities
Debt Payoff Calculator
Avalanche vs snowball — see which pays debt faster
Salary Calculator
Convert salary between hourly, weekly, monthly, annual
Stock Return Calculator
Calculate total return on stocks including dividends
CD Calculator
Certificate of deposit interest calculator with APY
Car Loan Calculator
Monthly car payment and total cost with any down payment
Student Loan Calculator
Monthly payments and payoff timeline for student loans
Rent vs Buy Calculator
Compare renting vs buying a home over 5-30 years
Break Even Calculator
Calculate break-even point for any business or product
Currency Converter
Live exchange rates for 150+ currencies worldwide
Home Affordability Calculator
How much house can you afford based on income and debt
Calorie Calculator
Daily calorie needs (TDEE) based on age, weight, height, activity
Heart Rate Zones Calculator
Target heart rate zones for fat burn, cardio, peak
Water Intake Calculator
Daily water intake based on weight, activity and climate
Body Fat Calculator
Estimate body fat % using US Navy method — metric and imperial
Ideal Weight Calculator
Ideal body weight by height using 4 medical formulas
Pregnancy Due Date Calculator
Calculate due date from last period or conception date
Running Pace Calculator
Calculate pace, time or distance for any run
BMR Calculator
Basal Metabolic Rate — calories burned at rest
One Rep Max Calculator
Calculate 1RM for bench, squat, deadlift from reps done
Ovulation Calculator
Calculate fertile window and ovulation date from cycle
JWT Decoder
Decode and inspect JWT tokens — header, payload, signature
Cron Expression Generator
Build and explain cron expressions with human-readable output
Number Base Converter
Convert between binary, octal, decimal, hexadecimal
IP Address Lookup
Get geolocation, ISP and info for any IP address
HEX to RGB Converter
Convert HEX colors to RGB, HSL, OKLCH — and vice versa
UUID Generator
Generate RFC 4122 UUIDs v4 instantly, bulk generation
Hash Generator
MD5, SHA-1, SHA-256, SHA-512 hash from any text
JSON to CSV Converter
Convert JSON arrays to CSV and download instantly
CSV to JSON Converter
Convert CSV files to JSON format instantly
JSON Validator
Validate and format JSON with detailed error messages
Regex Tester
Test regular expressions with live match highlighting
HTML Minifier
Minify HTML by removing whitespace and comments
CSS Minifier
Minify CSS code for production deployment
JavaScript Minifier
Minify JavaScript code — remove whitespace and comments
Random String Generator
Generate random strings — alphanumeric, hex, custom charset
Unix Timestamp Converter
Convert Unix timestamps to human dates and back