All Online Tools
Browse free PDF tools, image converters, calculators, unit converters, text utilities, and file sharing with a download code.
Send File Online
Share files up to 100 MB, photos, or text with a 6-digit download code. Choose when your transfer expires.
PDFMerge PDF
Combine PDFs in the order you choose.
PDFSplit PDF
Save each page as its own PDF in a ZIP archive.
PDFRemove PDF Pages
Delete selected pages from a PDF.
PDFExtract PDF Pages
Save selected pages as separate PDFs in a ZIP archive.
PDFJPG to PDF
Put JPG or PNG images into a single PDF.
PDFRotate PDF
Turn selected pages or the entire document.
PDFAdd Page Numbers
Number pages at the bottom of your PDF.
PDFAdd Watermark
Place a translucent text watermark on each page.
ImageCompress Image
Re-encode still images with adjustable JPEG quality.
ImageMeme Generator
Add a caption at the top and bottom of an image.
ImageResize Image
Set a new width while keeping the original proportions.
ImageCrop Image
Trim an equal number of pixels from each edge.
ImageRotate Image
Turn images by 90, 180 or 270 degrees.
ImageConvert to JPG
Save still PNG, WebP or JPEG images as JPG.
ImageConvert from JPG
Save JPG images as PNG or WebP.
ImageWatermark Image
Add a translucent text label to an image.
ImageJPG to JPEG
Change the file extension to .jpeg without re-encoding the image.
ImageJPG to PNG
Convert JPG images to PNG.
ImageJPG to BMP
Convert JPG images to BMP.
ImageJPG to WebP
Convert JPG images to WebP.
ImageJPEG to JPG
Change the file extension to .jpg without re-encoding the image.
ImagePNG to JPG
Convert PNG images to JPG.
ImagePNG to BMP
Convert PNG images to BMP.
ImagePNG to WebP
Convert PNG images to WebP.
ImageBMP to JPG
Convert BMP images to JPG.
ImageBMP to PNG
Convert BMP images to PNG.
ImageBMP to WebP
Convert BMP images to WebP.
ImageWebP to JPG
Convert WebP images to JPG.
ImageWebP to PNG
Convert WebP images to PNG.
ImageWebP to BMP
Convert WebP images to BMP.
ImageHEIF to JPG
Convert HEIF or HEIC photos to JPG.
ImageHEIF to PNG
Convert HEIF or HEIC photos to PNG.
ImageHEIF to WebP
Convert HEIF or HEIC photos to WebP.
CalculatorsAnna University GPA & CGPA Calculator
Calculate credit-weighted GPA and CGPA for affiliated B.E. and B.Tech programmes under R2021 and R2025.
CalculatorsAttendance Calculator
Find your attendance percentage from class counts.
CalculatorsAttendance Target Calculator
Find how many consecutive classes to attend to reach your target.
CalculatorsMarks Percentage
Convert marks obtained and maximum marks into a percentage.
CalculatorsFinal Exam Score Calculator
Find the final exam score needed for your target course grade.
CalculatorsWord and Character Counter
Count words, characters and lines in an assignment or any text.
CalculatorsReading Time Calculator
Estimate reading time at 200 words per minute.
CalculatorsUppercase Converter
Convert text to uppercase.
CalculatorsLowercase Converter
Convert text to lowercase.
CalculatorsRemove Duplicate Lines
Keep the first occurrence of each exact line.
CalculatorsJSON Formatter
Validate and format JSON with two-space indentation.
CalculatorsURL Encoder
Percent-encode text for use in a URL component.
CalculatorsURL Decoder
Decode a percent-encoded URL component.
CalculatorsBase64 Encoder
Encode UTF-8 text as Base64.
CalculatorsBase64 Decoder
Decode Base64 into UTF-8 text.
CalculatorsDecimal to Binary
Convert a whole decimal number to binary.
CalculatorsBinary to Decimal
Convert a binary integer to decimal.
CalculatorsOnline Calculator
Calculate with arithmetic, powers, parentheses, and scientific functions. Trig functions use radians.
CalculatorsAge Calculator
Find age in calendar years, months, and days. Shorter months use the last valid day.
CalculatorsDays Between Dates
Count elapsed calendar days between two dates.
CalculatorsAdd or Subtract Days
Move a date forward or backward by a whole number of days.
CalculatorsPercentage Calculator
Find a percentage of a number.
CalculatorsPercentage Change
Find the percentage increase or decrease from the original value.
CalculatorsAverage Calculator
Find the mean of numbers separated by spaces or commas.
CalculatorsPythagorean Calculator
Find the hypotenuse of a right triangle.
CalculatorsCircle Area
Find the area inside a circle from its radius.
CalculatorsRectangle Area
Find the area of a rectangle.
CalculatorsSphere Volume
Find the volume of a sphere from its radius.
CalculatorsCylinder Volume
Find volume from a cylinder’s radius and height.
CalculatorsDensity Calculator
Calculate density using kilograms and cubic metres.
CalculatorsOhm’s Law
Calculate voltage from current and resistance.
CalculatorsKinetic Energy
Calculate the kinetic energy of a moving object.
CalculatorsSpeed Calculator
Calculate average speed from distance and elapsed time.
CalculatorsDiscount Calculator
Find the final price after a percentage discount.
CalculatorsTip Calculator
Calculate the total per person including the tip.
CalculatorsLength Converter
Convert between Metre (m), Kilometre (km), Centimetre (cm) and other supported units.
CalculatorsMass Converter
Convert between Kilogram (kg), Gram (g), Milligram (mg) and other supported units.
CalculatorsTemperature Converter
Convert between Celsius (°C), Fahrenheit (°F), Kelvin (K) and other supported units.
CalculatorsArea Converter
Convert between Square metre (m²), Square kilometre (km²), Square foot (ft²) and other supported units.
CalculatorsVolume Converter
Convert between Litre (L), Millilitre (mL), Cubic metre (m³) and other supported units.
CalculatorsSpeed Converter
Convert between Metres per second (m/s), Kilometres per hour (km/h), Miles per hour (mph) and other supported units.
CalculatorsTime Converter
Convert between Second, Millisecond, Microsecond and other supported units.
CalculatorsPressure Converter
Convert between Pascal (Pa), Kilopascal (kPa), Bar and other supported units.
CalculatorsEnergy Converter
Convert between Joule (J), Kilojoule (kJ), Watt-hour (Wh) and other supported units.
CalculatorsPower Converter
Convert between Watt (W), Kilowatt (kW), Megawatt (MW) and other supported units.
CalculatorsForce Converter
Convert between Newton (N), Kilonewton (kN), Dyne and other supported units.
CalculatorsAngle Converter
Convert between Degree (°), Radian (rad), Turn and other supported units.
CalculatorsFrequency Converter
Convert between Hertz (Hz), Kilohertz (kHz), Megahertz (MHz) and other supported units.
CalculatorsData Size Converter
Convert between Bit, Byte, Kilobyte and other supported units.
CalculatorsElectric Current Converter
Convert between Ampere (A), Milliampere (mA), Microampere (µA) and other supported units.
CalculatorsVoltage Converter
Convert between Volt (V), Millivolt (mV), Microvolt (µV) and other supported units.
CalculatorsResistance Converter
Convert between Ohm (Ω), Milliohm (mΩ), Kilohm (kΩ) and other supported units.