Everyday tools for study, files & mathematics.
Convert documents, manage PDFs, optimize images and solve common mathematics tasks — fast, simple and privacy-friendly.
One toolbox. Three essentials.
Popular Tools
Start with the most useful tools for daily study work.
Merge PDF
Combine multiple PDF files into one document.
PopularSplit PDF
Extract selected pages from a PDF.
PopularPDF to JPG
Convert PDF pages into high-resolution JPG images.
PopularImages to PDF
Combine JPG/PNG images into a PDF.
PopularWord to PDF
Convert DOCX content into PDF in your browser.
PopularWord to JPG
Render DOCX content and save it as a JPG image.
PopularCompress PDF
Reduce the size of scanned and image-heavy PDF files.
PopularImage Compressor
Reduce image file size while keeping dimensions.
PopularPDF to Word
Extract text from a PDF into a Word-compatible document.
PopularJPG/PNG to WebP
Convert JPG or PNG images to modern WebP format.
PopularJPG to PDF
Convert one or more JPG images into a PDF document.
Resize Image
Resize an image to exact pixel dimensions.
Crop Image
Crop a selected rectangle from an image.
PopularPercentage Calculator
Calculate percentage from value and total.
PopularFraction Calculator
Add, subtract, multiply or divide fractions.
PopularScientific Calculator
Evaluate common scientific expressions.
PopularQuadratic Solver
Solve quadratic equations ax² + bx + c = 0.
Linear Equation Solver
Solve two simultaneous linear equations.
PopularStatistics Calculator
Calculate mean, median and standard deviation.
Matrix Determinant
Calculate the determinant of a 3×3 matrix.
PopularUnit Converter
Convert common length, weight and temperature units.
PopularGPA / CGPA Calculator
Calculate weighted GPA or CGPA from grade points and credits.
PopularAge / Date Difference
Calculate years, months, days and total days between dates.
Built around your workflow
Keep file preparation and calculations in one place.
PDF & Document
Convert, merge, split and prepare documents for study.
Image Tools
Compress, resize, crop and convert study images.
Math Tools
Fast calculators for common mathematics and academic work.
Need study notes after preparing your files?
Continue learning on the main Daemath education platform.