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Describe What You Need
Paste your method text or type a short description. Tell us what the diagram should show.
AI Scientific Diagram Maker
Make publication-ready diagrams in minutes. No design skills needed.
PPT Flowcharts
Slide-ready process and evaluation flow layouts
Use Cases
Make Diagrams For Any Science Field
Biology, chemistry, physics, and more. Pick a template and start creating.
Biology Diagrams
Draw cell pathways, DNA processes, and body systems. All symbols are accurate.
Make Biology Diagrams
Chemistry Diagrams
Create reaction steps, lab setups, and molecule shapes. Great for papers and reports.
Make Chemistry Diagrams
Physics Diagrams
Build circuits, force arrows, and experiment setups. Clear and easy to read.
Make Physics Diagrams
Multi-Panel Figures
Put many images in one figure. Add plots, photos, and labels. Ready for journals.
Build Figure PanelsAI Creates. You Edit. Done.
Most tools only generate. We let you edit every label, color, and shape after.
Type Text, Get a Diagram
Paste your method section or describe what you need. AI makes a draft in seconds.
- Paste text to get a first draft
- Upload images for style ideas
- Pick from ready templates
Edit Everything
Click any label to change it. Drag shapes to move them. Change colors with one click.
- Click text to edit it
- Drag to move things around
- Group items together
Build Multi-Panel Figures
Create figures with panels A, B, C. Spacing stays even. Labels line up. Journals love it.
- Panels snap into place
- Even gaps between items
- Labels auto-position
Export Any Format
Save as SVG, PPTX, PDF, or PNG. One click. No extra tools needed.
- SVG for vector editing
- PPTX for slides
- PNG at 300+ DPI
Why Us
Simpler Than BioRender
No $35/month fees. No complex tools. Just make your diagram and export it.
No Design Skills
Just type what you need. AI does the drawing. You make small edits. That's it.
No Watermarks
Export clean figures. No logos or marks. Your work looks professional.
Journal-Ready Files
SVG, PDF, PPTX, PNG. All formats journals accept. No extra conversion.
80+ Science Fields
Bio, chem, physics, medicine, and more. We have templates for your field.
Works in Browser
No download. No install. Open the site, make your diagram, export. Done.
Easy to Revise
Reviewer wants changes? Edit the text, move the shapes. No need to start over.
Researchers Trust Us
PhD students, postdocs, and professors use Paper Banana every day.
50K+
Diagrams Made
8K+
Researchers
< 3 min
Avg. Time
4.8/5
Rating
What Users Say
Real feedback from researchers who use Paper Banana.
“Made my pathway figure in 5 minutes. Used to take 2 hours in Illustrator.”
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Dr. Sarah Chen
Postdoc, MIT Biology
“I paste my method text, get a draft, fix the labels. So much faster than PowerPoint.”
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Marcus Weber
PhD Student, ETH Zurich
“My whole lab uses the templates now. All our papers have the same clean style.”
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Prof. Yuki Tanaka
PI, University of Tokyo
“No watermarks on exports. That alone made me switch from BioRender free.”
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Emily Rodriguez
Scientist, Stanford Medicine
“Best free diagram tool I found. Labels stay editable. Export just works.”
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Dr. Ahmed Hassan
Postdoc, Oxford
“I used to hate making figures. Now I finish them in minutes.”
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Lisa Park
PhD Student, Caltech
How It Works
Three steps to a finished diagram.
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Edit the Draft
AI makes a first version. You fix the labels, move things around, and pick colors.
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Export Your Figure
Download as SVG, PPTX, PDF, or PNG. No watermarks. Ready for your paper.
Who Uses This
PhD students making thesis figures
Postdocs creating paper diagrams
PIs who want consistent lab style
Undergrads doing lab reports
Common Questions
Quick answers about making science diagrams.
Type what you need or paste your method text. AI makes a draft. Edit it in the browser. Export when done. Takes about 3 minutes.
Explore PaperBanana tools
Keep building across the research visual workflow
Move from AI figure generation to editable diagrams and conference posters with crawlable links between every core PaperBanana tool.
PaperBanana Home
Start from the main AI figure workspace for prompts, image edits, and research visual generation.
AI Scientific Illustration
Generate publication-ready research figures from prompts, methods, and reference images.
Scientific Figure Editor
Edit labels, layers, panels, microscopy annotations, and export-ready research figure layouts.
Scientific Poster Maker
Turn PDF papers into conference-ready poster layouts.