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Turn your lecture slides into an editable concept map

Ready-made templates stay generic. DeckOwl reads your own material and builds a mind map you can edit, explore, and study from.

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Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free · First set needs no signup · Creates mind maps in seconds

Why a custom concept map beats a blank template

Students who go looking for concept map template slides usually have a lecture deck and no time to rebuild it by hand. A template gives you empty boxes, so you still have to decide what belongs where.

Start from your own lecture slides or notes instead of a blank layout
Keep the map editable so you can reorganize branches as you learn
Explore sub-points by expanding branches rather than scrolling a long outline
Turn the same material into quizzes or flashcards when the map is ready

Example photosynthesis mind map branches

Light-dependent reactionsOccur in thylakoid membranes · Split water and release oxygen · Produce ATP and NADPH

Calvin cycleOccurs in the stroma · Fixes carbon dioxide with RuBisCO · Uses ATP and NADPH to build sugar

Chloroplast structureThylakoids stack into grana · Stroma surrounds them · Chlorophyll sits in thylakoid membranes

Factors that limit the rateLight intensity · Carbon dioxide concentration · Temperature

Overall equation6CO2 + 6H2O → C6H12O6 + 6O2 · Glucose stores chemical energy · Oxygen is released as a byproduct

Generate the full set

Reads your slides

Upload PDF, DOCX, PPTX, plain text notes, or photos of pages. Photos are read with text recognition.

Editable and explorable

Expand branches, follow connections between ideas, and rearrange the map to match how your course is organized.

Study tools from the same map

Turn the same material into spaced repetition flashcards and quizzes with explanations when you want to practice recall.

How it works

Upload your material

Add the slides, handout, or notes you already have. No credit card is needed to start.

Review the mind map

Check the main branches and sub-points, then edit anything that does not match your lecture.

Study or export

Study the map in the browser on the free plan. Exporting to PDF or DOCX is available on Plus.

DeckOwl starts from the content itself. It pulls the main topics from your slides and groups the supporting details under them, so the structure reflects what your instructor actually covered.

Because the map is editable, you can remove what you do not need before an exam and add your own notes where the source was unclear. Your version stays tied to your course, not a generic layout.

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Frequently asked questions

How do I organize photosynthesis topics into a concept map?

Start with the inputs (light, water, carbon dioxide) and branch into the light-dependent reactions and the Calvin cycle. Link each stage to the products it creates, such as ATP, NADPH, and glucose.

What should a photosynthesis concept map include?

Include where each stage happens in the chloroplast, the reactants and products, and how the light-dependent reactions feed the Calvin cycle. Adding the factors that limit the rate helps with exam questions.

Can I export the mind map to slides?

Exporting to PDF or DOCX is a Plus feature, and the free plan lets you study the mind map in the browser. Check your plan before you plan to share it outside DeckOwl.

Is there a free way to try it first?

Yes. The free plan includes 3 generations per month and needs no credit card to start. Students can also get 40% off Plus with a school email.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.