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Turn your notes or PDF into an editable mind map for free

Upload a lecture PDF, a Word file, or a photo of your notes and get a mind map you can edit and explore branch by branch.

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

Why a mind map helps when you study from your own notes

Most people searching for a free mind map website already have a lecture or chapter in hand and want to see how the ideas connect. Instead of copying a generic template, you can start from the material you were actually given.

Start with one chapter or lecture so the map stays readable.
Rename branches in your own words to check your understanding.
Use the map to quiz yourself by covering sub-points and recalling them.
Keep the free plan for light use and upgrade if you need exports.

Example DNA and genetics mind map branches

DNA structureNucleotides · sugar-phosphate backbone · adenine, thymine, guanine, cytosine

DNA replicationHelicase unwinds the double helix · DNA polymerase adds nucleotides 5' to 3' · Leading and lagging strands

TranscriptionRNA polymerase builds mRNA from the template strand · Takes place in the nucleus in eukaryotes · Pre-mRNA is processed before export

TranslationRibosomes read mRNA codons · tRNA brings matching amino acids · Stop codons end the chain

Mendelian inheritanceAlleles segregate during meiosis · Dominant and recessive traits · Punnett squares predict genotype ratios

Generate the full set

Works from your own material

Upload PDFs, DOCX or PPTX files, plain text notes, or photos of pages. Text recognition reads the photos.

Editable branches

Rename, move, or remove any branch so the map matches how your course organizes the topic.

Explore the map

Expand and collapse sections to focus on one part of the subject at a time, then study it in your browser.

How it works

Upload your notes

Add a PDF, Word file, slide deck, text file, or a photo of a page from your textbook or handout.

Generate the mind map

DeckOwl builds a branched map of the main ideas and their sub-points from your material.

Edit and study

Adjust the branches, then explore the map in the browser. Each generation counts toward your monthly limit.

A mind map works best when the branches reflect your course. Editing the generated map lets you merge overlapping topics, add your instructor's emphasis, and remove details that were not covered in class. Exploring the map branch by branch then turns it into a study tool rather than a poster.

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Frequently asked questions

How do I build a mind map for DNA and genetics?

Upload your textbook section or lecture notes on DNA and genetics, then check that the main branches match your course outline. Rename or merge branches so each one covers one process, such as replication or transcription.

What should a DNA and genetics mind map include?

Core branches usually cover DNA structure, replication, transcription, translation, and inheritance patterns. Under each branch, list the key terms and the steps in the order your instructor teaches them.

Is the free plan really free?

Yes, the free plan includes 3 generations per month and lets you study in the browser. There is no credit card needed to start.

Can I export my mind map?

Exports are part of the paid Plus plan, which adds PDF and DOCX export along with unlimited generations. The free plan is limited to studying in the browser.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.