Free Tools for Teachers

Mark and grade faster, track attendance, run classroom activities with a timer, dice or a random name picker, and share worksheets as PDFs or QR codes. Built for teachers, tutors and workplace trainers.

All 24 tools here work now, and none of them needs credits.

Grade CalculatorWeighted grade for school or college, your letter grade, and the score you need on the final exam.Marks Percentage CalculatorSubject-wise marks with any maximum to total percentage, each subject's percentage and best-of-5.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.Attendance CalculatorYour attendance %, classes needed for 75%, classes you can miss, and how many of the classes left you can skip.Average CalculatorMean, median, mode, range, geometric mean, standard deviation and weighted average of any list, with the working.Percentage CalculatorX% of Y, what percent X is of Y, percentage change, reverse percentages, percentage difference and share of a total.Random Name PickerSpin the wheel of names or pick winners from a list, with an option to remove each winner. Fair, secure random draws.Online TimerCountdown timer with an alarm sound, presets from 1 minute to 1 hour, full screen, and the time left in the browser tab.StopwatchOnline stopwatch to a hundredth of a second with laps, fastest and slowest lap, full screen, and copy or CSV export.Dice RollerRoll d4, d6, d8, d10, d12, d20, d100 or any dice with a modifier and see each die and the total.Coin FlipToss a coin online: heads or tails, or up to 1,000 coins with counts and streaks.Word CounterWords, characters, sentences, pages, reading time, keyword density and reading level, in any language.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.QR Code GeneratorQR codes for links, text, email, phone, SMS, contacts, Wi-Fi and UPI, in your colours with a logo. PNG or SVG.Merge PDFCombine PDF files into one, in any order, without uploading.Organize PDFRearrange pages by dragging thumbnails; rotate, copy or delete them, and add blank or other PDF pages.Compress PDF to SizeShrink a PDF to 100 KB, 200 KB, 500 KB or any size for online forms. No upload.PDF EditorAdd text, white-out, boxes, drawings, signatures and images to a PDF. No upload.Slideshow MakerPhotos and music to a video or GIF, with a time and caption for each photo and fade, slide or zoom transitions. No upload.Photo Collage Maker2–9 photos in grid or '1 big + small' layouts; swap photos, rounded corners, square to story sizes.Add Text / Watermark to ImageCaptions, text or a logo watermark on one photo or a batch: fonts, effects, drag and tile.Scientific CalculatorTrig in degrees or radians, logs, powers and any root, factorials, memory keys and a history of results.Typing TestCheck your typing speed (WPM) and accuracy in 30-second to 10-minute tests, on our passages or your own text.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.

Picking students fairly

Paste your class list into the random name picker and tick "Remove each winner from the list", so everyone gets a turn before anyone is picked twice.

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