Explore our family of tools tailored for productivity, insights and Fun.
The smarter way to get accurate answers -instantly. Built for speed, simplicity, and real-life use cases. 100% free and easy to use! From crunching numbers to solving everyday problems, our free calculator tools are designed to save your time and deliver precise results — without the clutter.
Separate one page or a whole set into independent PDF files
PDF Page Remover
Select and remove pages you don’t need from your PDF.
Rotate PDF Files
Arrange PDF files
Image to PDF Converter
Converts JPG, PNG, WEBP image to PDF
PDF Page Numbering Tool
Add page numbers to your PDF files
Add Watermark to PDF
Stamp an image or text on your PDF files
pdf
PDF files
HEALTH AND FITNESS CALCULATORS
Weight Calculator
Computes ideal body weight (IBW) based on height, gender, and age.
BMI Calculator
Body Mass Index (BMI) Calculator can be used to calculate BMI value and corresponding weight status while taking age into consideration.
BMR Calculator
The basal metabolic rate (BMR) is the amount of energy needed while resting in a temperate environment when the digestive system is inactive
PREGNANCY CALCULATORS
Pregnancy Calculator
The Pregnancy Calculator can estimate a pregnancy due date based on the provided due date, last period date, ultrasound date, conception date, or IVF transfer date.
Conception Calculator
The Pregnancy Conception Calculator estimates the date of conception based on the last period date.
Period & Ovulation Calculator
The Ovulation Calculator estimates the most probable ovulation/fertile window as well as other related dates. The estimations are based on a woman's last period date.
FINANCE CALCULATORS
PDF Merger Tool
Reorder, remove and merge PDF files
PDF Splitter Tool
Separate one page or a whole set into independent PDF files
PDF Page Remover
Select and remove pages you don’t need from your PDF.
Rotate PDF Files
Arrange PDF files
Image to PDF Converter
Converts JPG, PNG, WEBP image to PDF
PDF Page Numbering Tool
Add page numbers to your PDF files
Add Watermark to PDF
Stamp an image or text on your PDF files
pdf
PDF files
EDUCATIONAL CALCULATORS
PDF Merger Tool
Reorder, remove and merge PDF files
PDF Splitter Tool
Separate one page or a whole set into independent PDF files
PDF Page Remover
Select and remove pages you don’t need from your PDF.
Rotate PDF Files
Arrange PDF files
Image to PDF Converter
Converts JPG, PNG, WEBP image to PDF
PDF Page Numbering Tool
Add page numbers to your PDF files
Add Watermark to PDF
Stamp an image or text on your PDF files
pdf
PDF files
OTHER CALCULATORS
PDF Merger Tool
Reorder, remove and merge PDF files
PDF Splitter Tool
Separate one page or a whole set into independent PDF files
PDF Page Remover
Select and remove pages you don’t need from your PDF.