Khan Academy
Free online lessons and practice exercises from the non-profit Khan Academy.
Last verified: October 2, 2026
Official links
Links go directly to the developer, publisher or authorized store. Welcome Free Tools does not host any files. Official domain: khanacademy.org
Overview
Khan Academy is a non-profit educational organisation that offers free online learning. It is available on the web and through apps for Android and iOS.
The library covers subjects including mathematics from early arithmetic to calculus, science, computing, economics, history and test preparation. Lessons combine instructional videos with practice exercises that give instant feedback, and learners can track their progress toward mastering each skill. Teachers can create classes, assign content and follow student progress, and parents can set up accounts for children.
Khan Academy is a valuable free resource for students who want to review topics from school, adults returning to study, and teachers looking for structured practice material. Content is available in several languages, although the amount of material varies by language. Use the official website, khanacademy.org, or the official Khan Academy apps.
Features
- Free video lessons and practice exercises
- Mathematics, science, computing and humanities
- Instant feedback and progress tracking
- Tools for teachers to assign work and track classes
- Available on web, Android and iOS
Questions and answers
What is Khan Academy?
Free online lessons and practice exercises from the non-profit Khan Academy. It is developed by Khan Academy.
Is Khan Academy free?
Khan Academy is listed as: Completely Free. Whether optional purchases exist has not been verified yet. Pricing can change, so confirm on the official source.
Is Khan Academy available on Android?
Yes, Android is a listed platform. Get it from the official source linked on this page.
Does Khan Academy have a Windows version?
Windows is not among the listed platforms. Listed platforms: Android, iOS, Web.
Where is the official Khan Academy website?
The official website is https://www.khanacademy.org/ (official source verified on October 2, 2026).
Similar tools
iLovePDF
Website
Online PDF tools to merge, split, compress and convert PDFs; free to use with an optional Premium plan.
PDF24 Tools
Website
Free online PDF tools to merge, compress, convert and edit PDFs, plus a free Windows desktop app.
Canva
Website
Online graphic design tool with templates for social posts, presentations and documents; free plan available.
Photopea
Website
Free browser-based photo editor that opens PSD, XCF and other layered files.