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Turn your text into a concept map you can edit and explore

Paste notes, upload a PDF, or photograph a page. DeckOwl builds a mind map with main branches and sub-points you can rearrange and expand.

Create mind maps nowFree · No credit card required

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

Free account · 3 sets a month · Creates mind maps in seconds

How a text-based concept map helps you study

Pasted lecture notes often turn into a long list of terms with no clear relationships, and a concept map maker from text can sort them into a hierarchy you can scan in seconds.

Paste text directly or upload a PDF, DOCX, PPTX, or image of a page.
Get a mind map with a central topic, main branches, and sub-points.
Edit nodes and explore branches to focus on one area at a time.
Free plan includes 3 generations per month and browser study; exports require Plus.

Example periodic table group concept map branches

Group 1: alkali metalsVery reactive · One valence electron · Soft, silver-colored solids · React vigorously with water

Group 2: alkaline earth metalsTwo valence electrons · Less reactive than group 1 · Form 2+ ions · Calcium and magnesium are examples

Group 17: halogensSeven valence electrons · Gain one electron to form 1- ions · Fluorine is the most reactive · Exist as diatomic molecules

Group 18: noble gasesFull outer electron shell · Very low reactivity · Mostly monatomic gases at room temperature · Helium and neon are examples

Transition metals (groups 3–12)Form colored compounds · Multiple possible oxidation states · Often act as catalysts · Iron and copper are examples

Generate the full set

Built from your own material

Start from lecture notes, textbook chapters, slides, or photos of pages. The map reflects your source, not a generic template.

Editable branches

Rename nodes, move subtopics, and add your own links so the map matches how your course organizes the material.

Explorable structure

Collapse and expand branches to move from the big picture to the detail, which makes review quicker before an exam.

How it works

Add your text

Paste notes into the box or upload a PDF, DOCX, PPTX, or image of a page.

Generate the map

DeckOwl reads the material and arranges key concepts into a central topic with branches.

Edit and explore

Adjust the layout, rename nodes, and expand each branch to study the details.

A good map shows how ideas connect, such as how a broad category splits into smaller groups. Because the map is editable, you can correct anything the generator misreads and keep the version that fits your course.

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Frequently asked questions

How do I group elements in the periodic table for studying?

Start with the main group families, such as alkali metals in group 1 and halogens in group 17. Then learn the trend within each column, like reactivity or atomic size.

Why do elements in the same group behave alike?

Elements in the same group have the same number of valence electrons, which determines how they bond. That shared count is why they tend to form similar compounds.

Can I export my concept map?

The free plan lets you study in the browser without exports. Plus, at $99.90/year or $9.99/month, adds PDF, DOCX, Anki, and CSV export along with unlimited generations.

Can I use a photo of my notes?

Yes. Photos of pages are read with text recognition, so you can generate a map from handwritten or printed notes that you photograph.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.