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, AVIF, HEIC and more.
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 Body Mass Index instantly.
PDF to Word
Convert PDF files to editable Word documents.
Percentage Calculator
Calculate percentages instantly.
Tip Calculator
Calculate tip and split bills.
Age Calculator
Calculate exact age from birth date.
Background Remover
Remove image background instantly.
PDF to JPG
Convert PDF pages to JPG images.
Unlock PDF
Remove PDF password instantly.
VAT Calculator
Add or remove VAT from any price instantly.
Discount Calculator
Calculate sale price and savings from any discount.
Date Difference Calculator
Calculate days, weeks, months between two dates.
Time Duration Calculator
Add and subtract time durations.
Triangle Calculator
Area, perimeter, angles of any triangle.
Scientific Calculator
Full scientific calculator with sin, cos, log.
Aspect Ratio Calculator
Calculate aspect ratio or resize dimensions.
Electricity Cost Calculator
Calculate electricity bill from watts and kWh rate.
GPA Calculator
Calculate GPA from grades.
Inflation Calculator
Calculate purchasing power change over time.
Calories Burned Calculator
Calories burned by activity, weight and duration.
Sleep Calculator
Find optimal wake times based on sleep cycles.
Fuel Cost Calculator
Calculate trip fuel cost from distance and MPG.
Shipping Weight Calculator
Dimensional weight calculator for UPS, FedEx, DHL.
Compound Interest Calculator
Calculate compound interest with monthly compounding.
Mortgage Calculator
Monthly payment, total interest and amortization.
ROI Calculator
Calculate return on investment.
FIRE Calculator
Calculate when you can retire with the FIRE method.
401k Calculator
Project 401k balance at retirement.
Loan Calculator
Monthly payments and total interest for any loan.
Savings Goal Calculator
How long to reach your savings goal.
Net Worth Calculator
Calculate total net worth from assets and liabilities.
Debt Payoff Calculator
Avalanche vs snowball debt payoff.
Salary Calculator
Convert salary between hourly, weekly, monthly, annual.
Stock Return Calculator
Calculate total return on stocks.
CD Calculator
Certificate of deposit interest calculator.
Car Loan Calculator
Monthly car payment and total cost.
Student Loan Calculator
Monthly payments for student loans.
Rent vs Buy Calculator
Compare renting vs buying a home.
Break Even Calculator
Calculate break-even point for any business.
Currency Reference Calculator
Illustrative conversions using fixed reference values.
Home Affordability Calculator
How much house can you afford.
Calorie Calculator
Daily calorie needs based on age, weight, activity.
Heart Rate Zones Calculator
Target heart rate zones for fat burn, cardio.
Water Intake Calculator
Daily water intake based on weight and activity.
Body Fat Calculator
Estimate body fat percentage.
Ideal Weight Calculator
Ideal body weight by height.
Pregnancy Due Date Calculator
Calculate due date from last period.
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.
Ovulation Calculator
Calculate fertile window and ovulation date.
JWT Decoder
Decode and inspect JWT tokens.
Cron Expression Generator
Build and explain cron expressions.
Number Base Converter
Convert between binary, octal, decimal, hex.
IP Address Lookup
Get geolocation and info for any IP.
HEX to RGB Converter
Convert HEX colors to RGB, HSL.
UUID Generator
Generate RFC 4122 UUIDs instantly.
Hash Generator
MD5, SHA-1, SHA-256, SHA-512 hash.
JSON to CSV Converter
Convert JSON arrays to CSV.
CSV to JSON Converter
Convert CSV files to JSON format.
JSON Validator
Validate and format JSON.
Regex Tester
Test regular expressions with live highlighting.
HTML Minifier
Minify HTML by removing whitespace.
CSS Minifier
Minify CSS code for production.
JavaScript Minifier
Minify JavaScript code.
Random String Generator
Generate random strings.
Unix Timestamp Converter
Convert Unix timestamps to human dates.
Number to Words
Convert numbers to English words.
HTML Entity Encoder
Encode and decode HTML entities.
Duplicate Line Remover
Remove duplicate lines from any text.
Text to Slug
Convert text to URL-friendly slug.
Markdown to HTML
Convert Markdown to HTML with live preview.
Case Converter
UPPER, lower, Title Case, camelCase instantly.
Password Generator
Generate strong random passwords.
URL Encoder Decoder
Encode and decode URLs.
Base64 Encode Decode
Encode text to Base64 and decode back.
Lorem Ipsum Generator
Generate placeholder text paragraphs.
Text Diff Checker
Compare two texts and highlight differences.
Character Counter
Count characters, words, sentences, reading time.
Text Reverser
Reverse text, words or lines instantly.
Keyword Density Checker
Analyze keyword frequency and density.
Meta Tag Generator
Generate SEO meta tags.
Slug Generator
Generate SEO-friendly URL slugs.
Keyword Density Analyzer
Analyze keyword density for any text.
Title Tag Length Checker
Check title and meta description length.
Robots.txt Generator
Generate robots.txt with rules.
XML Sitemap Generator
Generate XML sitemap from URLs.
Anchor Text Analyzer
Extract and analyze anchor texts.
Reading Level Checker
Calculate Flesch-Kincaid reading level.
Image Flipper
Flip image horizontally or vertically.
Image to Grayscale
Convert any image to black and white.
Add Text to Image
Add text overlay to any image.
Image Brightness Contrast
Adjust brightness, contrast and saturation.
Image Color Picker
Pick any color from an image.
WebP to PNG Converter
Convert WebP images to PNG format.
PNG to WebP Converter
Convert PNG images to WebP.
Image Cropper
Crop images to any size or aspect ratio.
Image to PDF
Combine up to 20 JPG, PNG, WebP, GIF, or BMP images into one PDF.
Speed Converter
km/h, mph, m/s, knots, Mach — instant conversion.
Area Converter
m², ft², acres, hectares — all area units.
Volume Converter
liters, gallons, ml, fl oz, cups.
Data Size Converter
KB, MB, GB, TB, PB — digital storage units.
Time Converter
Seconds, minutes, hours, days, weeks.
Energy Converter
Joules, calories, kWh, BTU.
Pressure Converter
PSI, bar, pascal, atm, mmHg.
Frequency Converter
Hz, kHz, MHz, GHz.
Angle Converter
Degrees, radians, gradians.
Illuminance Converter
Lux, foot-candle, lumen.
Roman Numeral Converter
Convert numbers to Roman numerals and back.