Free tools

Free tools for students. No account, no catch.

Calculators, generators and editors for the jobs that come up every week: working out your GPA, citing a source, writing an equation, hitting a word count. Everything runs in your browser, and nothing you type leaves it - except a DOI or ISBN you ask the citation generator to look up.

Grades. Know where you stand.

  • Free tool

    GPA Calculator

    Semester and cumulative GPA from your credits and grades, plus the GPA you need for a target.

  • Free tool

    Final Grade Calculator

    The exact score you need on your final for the grade you want, and for every letter grade.

Write and cite. Get the formatting right.

  • Free tool

    Citation Generator

    Citations in APA, MLA, Chicago and Harvard, with DOI and ISBN lookup and a sorted bibliography.

  • Free tool

    Word Counter

    Live word, character and sentence counts, with a word goal, reading time and readability.

Math, science and LaTeX. Check the working.

  • Free tool

    LaTeX Equation Editor

    A live LaTeX preview with a symbol palette, plain-English errors, and MathML, PNG and SVG export.

  • Free tool

    Molar Mass Calculator

    Molar mass, mass percent and grams-to-moles conversions for any chemical formula.

  • Free tool

    Truth Table Generator

    The full truth table for any logic formula, with steps, a tautology check and an equivalence test.

  • Free tool

    Standard Deviation Calculator

    Sample and population standard deviation, variance, quartiles and outliers, with the working shown.

  • Free tool

    LaTeX Table Generator

    Turn a spreadsheet or a typed grid into clean booktabs LaTeX, with captions, labels and escaping handled.

Plan and focus. Make the hours count.

  • Free tool

    Pomodoro Timer

    A focus timer with 25/5 and 50/10 sessions, a long break after four, and a clock that survives reloads.

  • Free tool

    Study Schedule Maker

    A day-by-day plan to your exam, with spaced reviews and a final practice test, ready for your calendar.

  • Free tool

    Cornell Notes Template

    A printable Cornell notes sheet in Letter or A4, ruled, dotted or blank, with your own header.

Want the studying done too? Start with one lecture.

Upload a lecture and Skolight makes the notes, flashcards, quizzes and more, with a tutor that has read every page. Free to start, no card needed.

Start studying freeSee pricing
  • No card requiredGet started in seconds
  • Trusted by 100k+ studentsJoin a growing community
  • Works with any documentPDFs, notes, slides and more