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Turn your notes into a free interactive mind map

Upload a PDF, DOCX, PPTX, text file, or photo of a page and get an editable mind map you can explore branch by branch. The free plan includes three generations a month.

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 free interactive mind map helps you study

A chapter on immunology can run ten pages, but a free interactive mind map shows how innate defenses, adaptive responses, and vaccines connect at a glance. DeckOwl builds one from your own file or photographed notes, then lets you edit the nodes and explore each branch in detail.

Start free with no credit card required
Map your own lecture notes instead of a generic template
Edit any node so the structure matches your course
Students with a school email get 40% off a paid plan

Example immune system mind map branches

Innate immunitySkin and mucous membranes · Phagocytes such as neutrophils and macrophages · Complement system · Inflammation

Adaptive immunityB cells that produce antibodies · T cells that coordinate responses or kill infected cells · Memory cells that persist after infection

AntibodiesY-shaped proteins made by plasma cells · Bind specific antigens · Neutralize pathogens and mark them for destruction

VaccinationExposes the immune system to an antigen safely · Triggers memory cell formation · Enables faster response on later exposure

Autoimmune diseaseImmune system attacks the body's own tissue · Examples include type 1 diabetes and rheumatoid arthritis · Often treated with immunosuppressants or biologics

Generate the full set

Built from your own material

Upload lecture slides, textbook chapters, or typed notes and the map reflects your source, not a generic template.

Editable branches

Rename or reorganize nodes so the map matches how your course frames the topic.

Explore at your own pace

Open each branch to see its sub-points, then move through the map in whatever order helps you learn.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text notes, or a photo of a page.

Generate the map

DeckOwl reads the content and organizes it into a central topic with main branches and sub-points.

Explore and edit

Click through the branches, adjust anything that looks off, and study right in your browser.

The free plan includes three generations a month and lets you study in the browser, but exports are limited to paid plans. Plus, at $39/year or $7.99/month, adds unlimited generations along with PDF, DOCX, Anki, and CSV export.

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Frequently asked questions

How do I organize immune system notes into a mind map?

Start with the central topic, then make innate and adaptive immunity the main branches. Under each, add the cell types, signals, and responses your course covers, such as phagocytes under innate immunity and B cells under adaptive immunity.

Should vaccines be a separate branch or part of adaptive immunity?

Most courses place vaccination under adaptive immunity because it works by building immune memory. A separate branch can still help if your instructor treats it as its own unit, so follow your course outline.

Is the free mind map really free?

Yes, the free plan includes three generations a month and lets you study in the browser. Exporting your work requires a paid plan.

Can I export my mind map?

Exports are available on paid plans: Plus includes PDF, DOCX, Anki, and CSV export, and Pro adds QTI 2.1 and Moodle XML export.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.