Essay Grader
AI feedback on your Extended Essay, IA or TOK work in a minute or two, against the published criteria, with an estimated mark.
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The IB academic integrity policy asks students to abstain from receiving non-permitted assistance in the completion or editing of work, such as from friends, relatives, other students, private tutors, essay writing or copy-editing services, pre-written essay banks or file sharing websites, so check that your teacher and your school allow outside feedback on this work before you use IBLens.
Our server sends your text to Anthropic, which marks it. IBLens never saves the text itself, and Anthropic deletes it within 30 days unless it is flagged under its usage policy or the law requires otherwise. The report is saved and can quote short passages: without an account it is deleted after 90 days unless you buy it, and in an account it stays until you delete it. Privacy
IBLens is independent of the International Baccalaureate and not endorsed by it. Every mark is an AI estimate, not an IB mark. Using AI feedback within IB rules
An example: a Business Management IA, with made-up marks.
Your IA demonstrates solid understanding of business concepts, and the supporting documents are well chosen, but their data is used only superficially. The main areas for improvement are the depth of analysis in Criterion D and the connection between your research question and conclusions.
Your free preview shows a range of totals and, for most drafts, your weakest criterion and the top risks. Signing in with Google opens the full report for your first piece of work, free.
Paste your work in the form above: the first preview is free, and with a Google account so is the full report for it. After that it is $9.99 for each piece of work, with up to 20 re-checks within 30 days.