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All tools
Converters
Length Converter
Convert length units — meters, centimeters, inches, feet, miles, and more.
Weight Converter
Convert weight units — kilograms, grams, pounds, ounces.
Temperature Converter
Convert temperature — Celsius, Fahrenheit, Kelvin.
Area Converter
Convert area — square meters, rai, square feet, acres.
Volume Converter
Convert volume — liters, milliliters, gallons, cubic meters.
Speed Converter
Convert speed — km/h, mph, m/s, knots.
Data Storage Converter
Convert data sizes — KB, MB, GB, TB, bits/bytes.
Calculators
Percentage Calculator
Calculate percentages — what is X% of Y, percentage change, and more.
Discount Calculator
Calculate the final price after a discount and how much you save.
BMI Calculator
Calculate Body Mass Index (BMI) from height and weight with interpretation.
Age Calculator
Calculate age in years, months, and days from a birth date.
Date Difference Calculator
Count days, weeks, and months between two dates.
Loan Calculator
Calculate monthly payment, interest, and total cost of a loan.
VAT Calculator
Add or remove 7% VAT from a price.
Tip Calculator
Calculate the tip and split the bill per person.
Compound Interest Calculator
See how savings grow with compound interest, including optional monthly deposits.
Image
Image Compressor
Reduce JPG/PNG/WebP file size while keeping quality. Batch multiple images and download as a ZIP.
Image Resizer
Resize images by percentage or max width/height. Batch many files and download as a ZIP.
Image Cropper
Crop an image to keep only the part you want.
Image Converter
Convert images between PNG, JPG, WebP, HEIC, SVG and GIF — upload anything, pick the output, batch and download as a ZIP.
Image Rotator
Rotate or flip an image.
PDF
Merge PDF
Combine multiple PDFs into one.
Split PDF
Split a PDF into pages or extract specific pages.
Compress PDF
Reduce the file size of a PDF.
PDF to Image
Convert every PDF page to PNG or JPG — pick the format, download per page or as a ZIP.
Image to PDF
Combine multiple PNG/JPG images into one PDF — reorderable, free online.
Rotate PDF
Rotate pages within a PDF.
