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Create a concept map from your notes in a few minutes

Upload a PDF, DOCX, PPTX, text file, or photo of a page. DeckOwl turns it into a mind map you can edit, rearrange, and explore branch by branch.

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What a good concept map needs

Most people starting from a lecture slide or a dense chapter want to know how to create a concept map that shows the main idea, the supporting ideas, and how they connect. The hard part is usually deciding what goes in the center and what belongs on a branch. A useful starting point is one central question or topic, with five to eight main branches that each cover one part of it.

Put one central topic at the center and keep the first level to five to eight branches.
Label every link with a specific relationship instead of a vague phrase.
Keep each node short, ideally a term or a short phrase rather than a full sentence.
Revisit the map after a day and redraw any part you cannot explain from memory.

Example ecosystem and food web concept map branches

Energy flow in an ecosystemSunlight is captured by producers · Energy passes up to consumers · Only about 10% is stored at each trophic level · The rest is lost as heat

ProducersPlants and algae · Make food through photosynthesis · Form the base of every food web

Trophic levelsProducers, primary consumers, and secondary consumers · Energy shrinks at each step up · Top predators hold the least energy

Food chain vs. food webA food chain is a single path of energy · A food web links many chains together · Webs show alternate routes if one species declines

DecomposersBacteria and fungi · Break down dead matter and waste · Return nutrients to the soil for producers

Generate the full set

Starts from your own material

Drop in lecture notes, a textbook chapter, or a photographed page and build the map from what you actually need to learn.

Editable branches

Rename, move, or delete any node so the map matches how your course organizes the topic.

Explore at your own pace

Expand and collapse branches to focus on one idea at a time, then turn the same material into flashcards or a quiz.

How it works

Upload your notes

Add a PDF, DOCX, PPTX, plain text file, or a photo of your pages. Text in images is read automatically.

Review the generated map

Check the main concept in the center and the branches that DeckOwl pulled out of your material.

Edit and explore

Change any label or connection, then click through the branches to see how each idea links to the rest.

Once the outline is in place, look for the links. Each arrow or label should say how two ideas relate, such as causes, contains, or depends on. Vague links like "related to" make a map hard to review later, so replace them with specific verbs whenever you can.

DeckOwl builds the first draft from your source material, and you stay in control of the structure. Edit the branches, remove anything that repeats, and add the connections your instructor emphasized. The result is a map you can study from and revisit before an exam.

Explore related topics

Make a concept map from your notes

Step-by-step way to turn PDFs or notes into an editable mind map with AI.

Free Mind Map Maker from Your Notes

Turn your PDF or notes into a free mind map, with 3 generations a month on the free plan.

Mind map in Word: step-by-step guide

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Create a Concept Map from Your Notes

Upload notes or a PDF and get an editable, explorable mind map to study from.

Concept Maps in Word vs. AI Mind Maps

Build a concept map in Word by hand, or turn your notes into an editable AI mind map.

Free Concept Map Maker from Your Notes

Turn your PDF or notes into an editable concept map in your browser, free to start.

How to Create a Mind Map from Notes

Make a mind map from your own PDFs or notes, with climate and weather examples to study.

Free mind map from your notes

Turn a PDF or class notes into an editable, explorable mind map using the free DeckOwl plan.

Frequently asked questions

How do I pick the main branches for a concept map on ecosystems?

Start with the big parts of the topic, such as energy flow, producers and consumers, nutrient cycling, and food webs. Then place the terms and examples from your notes under the branch they support.

What should a food web concept map show?

It should show which organisms eat which, with arrows pointing from the food source to the consumer. Including producers, primary consumers, and decomposers helps show how energy moves through the whole system.

Is there a free plan, and can I export my map?

The free plan includes 3 generations per month and lets you study in the browser, with no credit card needed to start. Exporting is part of the paid Plus and Pro plans.

Can I turn my concept map into flashcards or a quiz?

Yes. DeckOwl can generate flashcards with spaced repetition, quizzes with explanations, and mind maps from the same PDF or notes.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.