Free Tools for Students

Work out grades and percentages, cite sources, count words for an essay, and get documents and photos ready for exam and admission forms. Everything here is free and most of it runs on your own device.

All 27 tools here work now, and none of them needs credits.

GPA CalculatorWeighted and unweighted GPA on the US 4.0 scale from letter grades and credit hours (honors and AP), cumulative GPA and the GPA you need.CGPA to PercentageCBSE CGPA × 9.5, Anna University × 10, your university's formula, or percentage back to CGPA.Marks Percentage CalculatorSubject-wise marks with any maximum to total percentage, each subject's percentage and best-of-5.Grade CalculatorWeighted grade for school or college, your letter grade, and the score you need on the final exam.Attendance CalculatorYour attendance %, classes needed for 75%, classes you can miss, and how many of the classes left you can skip.Percentage CalculatorX% of Y, what percent X is of Y, percentage change, reverse percentages, percentage difference and share of a total.Scientific CalculatorTrig in degrees or radians, logs, powers and any root, factorials, memory keys and a history of results.Citation GeneratorAPA 7, MLA 9, Chicago and Harvard citations for websites, books, book chapters, journal articles, YouTube videos and reports, with DOI and ISBN look-up.Word CounterWords, characters, sentences, pages, reading time, keyword density and reading level, in any language.Typing TestCheck your typing speed (WPM) and accuracy in 30-second to 10-minute tests, on our passages or your own text.Compress PDF to SizeShrink a PDF to 100 KB, 200 KB, 500 KB or any size for online forms. No upload.Image to PDFTurn photos and JPG, PNG, WebP, GIF or BMP images into one PDF, privately (JPG to PDF).Merge PDFCombine PDF files into one, in any order, without uploading.PDF to WordConvert PDF to an editable Word (.docx) file in your browser. No upload.Image ResizerResize photos in pixels, cm, inches or by percentage, with passport and signature presets, up to 30 at once.Increase Image Size in KBMake a photo fit a KB range like 20–50 KB: small files grow without being enlarged, big ones are reduced. No upload.Passport Size Photo MakerPassport and visa photos for the US, UK, India, Canada and more: official head guide, online file in KB, 4×6 or A4 print sheets.Signature GeneratorDraw, type or photograph your signature and download a transparent PNG, a JPG or an SVG. Stays on your device.Resume BuilderATS-friendly resume templates (Classic, Modern, Compact) with a live preview. A4 or Letter PDF or Word file, no sign-up.CV MakerFree CV templates with UK, Irish, European, Australian and NZ wording, an optional photo for Europe, and a PDF or Word file.Age Calculator by Date of BirthYour exact age in years, months and days from your date of birth, in weeks, days and hours, the day you were born and your next birthday.Average CalculatorMean, median, mode, range, geometric mean, standard deviation and weighted average of any list, with the working.Unit ConverterLength, weight, volume, pressure, speed, energy, power, time, temperature, fuel economy, angles, data and land (cent, guntha, acre).Online NotepadA simple online text editor that saves as you type, counts words and characters, finds and replaces, prints, and opens or downloads .txt and .md files.Online TimerCountdown timer with an alarm sound, presets from 1 minute to 1 hour, full screen, and the time left in the browser tab.Grammar CheckerCheck English grammar, spelling and punctuation in your browser, then accept fixes one by one or all at once.Image to Text Converter (OCR)Extract text from photos, screenshots and scanned PDFs in 21 languages, including Hindi, Tamil and Spanish. Runs in your browser.

Uploading to an exam or admission form?

Forms usually set a size limit for your photo, signature and documents. Resize the photo to the exact pixels or KB the form asks for, then compress PDFs to the limit before you upload, so the form doesn't reject them on the last day.

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