A bookmark app for students that answers from your own sources
Kajr is a bookmark app for students. Share lecture videos, PDFs, articles and links into one library on your phone, then ask questions like “Which of my sources define opportunity cost?” and get an answer that cites the saves it came from. Saving is free and needs no account.
Updated
The problem with a semester of tabs
By week six, a typical course has a reading-list PDF, a few lecture recordings, a dozen articles and a pile of links a classmate sent you. Browser bookmarks keep the address and nothing else, so before an essay or an exam you reopen everything just to remember what it said.
How Kajr fits into studying
Share anything into Kajr from your phone's share sheet. Each save arrives with a summary, key takeaways, a quality score and tags, so you can tell what is worth your evening before you open it. When you are writing or revising, you ask across the whole library instead of hunting through it.
Using it for essays and revision
Group saves by course with collections as they come in. When it is time to write, ask what your saves say about the question, then open the cited saves to check the detail and quote the original. You can also ask what you have saved but not finished reading.
What to keep in mind
Kajr answers from what you saved, not from the open web, so it is only as good as your sources. AI summaries can miss nuance: always check the cited save before you quote it. Your library lives on your phone, with optional sync to your own Google Drive and export to a file, Excel or a Chrome bookmarks file.
Questions you can ask Kajr
- Which of my saves explain the difference between mitosis and meiosis?
- What do my lecture videos and PDFs say about the causes of the 2008 financial crisis?
- Which sources on supply chains have I saved but not finished reading?
- Summarize what my saves say about Kantian ethics and show where each point came from.
Frequently asked questions
Is Kajr free for students?
Saving and browsing your library is free. The AI analysis is part of Kajr Plus, and new users get 7 days of it.
Can I save lecture videos?
Yes. Share the video's link into Kajr and it joins your other sources. For videos, Kajr works from the transcript where one is available.
Will Kajr write my essay?
No. Kajr answers questions from your saves and shows which saves it used, so you can find and check your sources. Check your institution's policy on AI tools before using one for coursework.