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We find the matching concept in your image and create a card. Credits are returned if no {subject, select, physics {physics} olympiad {math olympiad} education {education} biology {biology} earth {earth science} integrated {integrated science} chemistry {chemistry} other {math}} content is found.

Create a concept card from an image

Open concept card

Key textbook concepts, one card each, organized by subject and unit in textbook order.

Upload a problem or textbook image and we will find its key concept and turn it into a card. This uses {credits, number} credits.

Create your own concept card from a single problem or textbook image.

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School Exam DB

{conversationType, select, drill_exam {Tell me the units and difficulty you want. I will help from finding problems to finishing the exam.} textbook {Tell me the units and question counts you want. I will help organize the problems and finish the workbook.} other {Tell me what you want to create. I will help from start to finish.}}

{conversationType, select, drill_exam {Shall we build a drill exam together?} textbook {Shall we build your own workbook together?} other {Shall we create something together?}}

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Conversation history

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Problem Bank AI

Book chat

Read problems like a workbook page and ask the AI — "pick 5 easy problems" — to choose for you.

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Book chat counts toward your Questi usage, so it is not available on the Free plan.
Credits alone do not unlock it.

Available on Basic and above

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or create a new DB.

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Frequently used conditions

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Problem search conditions

Choose where to search first. The conditions below apply within the selected database.

Search scope

Problems or folders you share will appear here.

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Problems or folders shared by others will appear here.

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Exams used in (most recent)

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Choose candidates to create your own exam.

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{itemCount} candidates · {selectedCount} selected

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You can register your exams from the exam history page.

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Other users can save this problem to their DB for free.

Other users can save this exam and its problems for free.

Other users can save this problem to their DB after paying the credits you set.

Other users can save this exam and its problems after paying the credits you set.

Free items can be copied immediately. Paid items charge the buyer and credit the seller when purchased.

Choose whether other users can copy this problem for free or by paying credits.

Choose whether other users can copy this exam and its problems for free or by paying credits.

Register exam to Community DB

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Subject

Copy problems shared by other users into your DB for free or with credits.

Community DB

Standard analysis costs {standardCredit} credits per problem. Endnote-processed HWP/HWPX files cost only {endnoteCredit} credits per problem.

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Upload the problem files you want to add to your DB.

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During the event, each upload analysis type is charged at the displayed event price instead of the regular price.

Problem DB upload discount

Analysis and tagging of extracted problem-solution pairs

HWP · HWPX

The {taggingCredit}-credit tagging rate cannot be applied because this file has no endnote-paired problem and solution. Convert it to PDF and continue at the image/PDF analysis rate of {analysisCredit} credits per problem?

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Segmentation, analysis, tagging, and solution generation

Image · PDF

Review and select segmented image/PDF problems or problem-solution pairs extracted from an endnote-processed HWP/HWPX file.

Convert the selected pages into images and add them to the upload list.

Select PDF pages

Automatically saves successfully analyzed problems as a new exam. You can continue editing it from your exam/textbook history.

Review Segmented Problems

Only the problem will be added to the Problem DB.

Tag HWP/HWPX Problems

Review the content and select the pairs to tag.

Select HWP/HWPX Problem-Solution Pairs

When this finishes, you can choose the problems to add on this page.

{completedCount} uploaded · {failedCount} failed

DB History

{completedCount} registered · {failedCount} failed · {similarCount} Questi generated

Select Segmented Problems

This appears in public DB search and filters. Leave unknown values blank.

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Delete problems in this folder from DB and queue search index cleanup.

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The solution is being prepared. You can view it on this problem when it is ready.

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Problems without solutions cannot be used in an exam or textbook. Solutions will be generated after payment, and you will move on automatically when they are ready.

We are checking progress automatically. You will move to the next step when every solution is ready.

Generating solutions for {count} problems

Choose a document type and title to create an editable draft.

Create exam/textbook

You can select up to {count} problems with the current settings.

Enter problem count

Use problems from your DB to create your own exam or textbook.

Upload original problems, generate similar questions, and manage your own problem sets.

Add problems from the explorer.

Use answer sheets to collect grading statistics.

Start the exam with the candidate problems you selected.

Select manually

Question Sources

Mixed question ratio

Choose all curricula or the units to include.

Coverage

Automatically add analyzed DB problems by count.

Generation settings

Random generation

Exam title

Automatically create an exam using filters and a problem count.

Detailed settings

Organize DB problems into your own textbook.

e.g. 2025 June mock exam

Enter a title.

Review the problem order and scores one last time.

Save this exam?

Adjust each problem's score and inspect similar problems.

Finish the problem settings

Untitled

Apply your edited HWPX, cover, and contents to finish the PDF

Review the original or edited HWPX and manuscript PDF

Write each concept page or generate a draft

Review, reorder, and save the finished pages

Adjust scores and inspect similar problems

Set the textbook outline and problem order

Choose one design for the whole textbook from the cover previews

Choose whether to create a similar textbook from this structure

Continue editing the manuscript and PDF for the textbook you just organized.

Continue with this textbook

Choose whether to finish only the current textbook or add one similar textbook made with comparable problems.

Which textbook would you like to create?

Continue with the current textbook or create one separate draft using similar database problems.

This textbook is created as a single copy. Compare the candidates for each problem and choose the ones you prefer.

Review similar problem candidates

Create one similar textbook?

Keep the current textbook and create one copy using similar database problems.