Free Scientific Diagram & Figure Tools

80+ AI tools for research-ready visuals

Generate publication-ready figures, diagrams, and illustrations from plain text — or convert and check your existing images. Pick a tool and start creating in seconds.

General & Publication

Graphical Abstract Maker

Create stunning graphical abstracts for journal submissions

Manuscript to Figure Generator

Create manuscript to figure visuals for abstracts, methods, results, study workflows, graphical abstracts, and multi-panel paper figures.

Scientific Figure Maker

Create publication-ready figures for research papers

Scientific Diagram Maker

Create flowcharts, mechanism schematics, and pathway diagrams

Scientific Drawing Software

Draw scientific figures from text, sketches, or reference images

AI Scientific Illustration

Generate accurate scientific illustrations with AI

Scientific Poster Maker

Create conference posters with AI-generated visuals

Research Roadmap Maker

Create technical route diagrams for grant proposals

Textbook Illustration Maker

Illustrations tailored for textbooks and learning materials

Book Illustration Maker

Create medical, science, and educational book diagrams

TOC Graphics Generator

Create a publication-ready journal TOC graphic from text.

Sentence Diagram Generator

Diagram any sentence in Reed-Kellogg style instantly with AI.

Syntax Tree Generator

Turn any sentence into a labeled phrase-structure tree instantly.

Research Poster Template

Generate a ready-to-edit academic poster layout.

Journal Cover Maker

Create striking scientific journal cover art from your concept.

Venn Diagram Maker

Draw labeled set overlaps with 2, 3 or more circles.

Dot Plot Generator

Draw frequency dot plots, line plots, and Cleveland dot plots.

Scatter Plot Maker

Make labeled XY scatter charts with optional trend lines from a text prompt.

Histogram Maker

Turn data and bins into a clean, labeled frequency histogram with an optional normal curve.

Box Plot Maker

Generate clean, labeled box-and-whisker plots with quartiles, whiskers, and outliers from a plain-text description.

ROC Curve Generator

Create a labeled ROC curve with AUC and a diagonal chance line from a plain-text description.

Radar Chart Maker

Create labeled radar charts and spider charts from a plain-text description.

Violin Plot Maker

Create labeled violin plots with inner box plots and density shapes from a plain-text description.

Q-Q Plot Maker

Make a labeled normal Q-Q plot from plain text to check whether your data follow a distribution.

Correlation Matrix Generator

Make a labeled correlation heatmap from plain text — coefficients, diverging color scale, and significance stars, no coding needed.

Density Plot Maker

Generate smooth KDE density curves and ridgeline plots from a plain-text description.

$Number Line Generator — Create labeled number lines for integers, fractions, decimals, and inequalities from a text prompt.$

Number Line Generator

Create labeled number lines for integers, fractions, decimals, and inequalities from a text prompt.

Place Value Chart Maker

Generate labeled place value charts from ones to millions, with decimals and base-ten blocks.

Stem-and-Leaf Plot Generator

Make labeled stem-and-leaf plots with stems, leaves, and a key from a data set.

Carbon Cycle Diagram

Draw a labeled carbon cycle with photosynthesis, respiration, decomposition, and combustion.

Layers of the Earth Diagram

Draw a labeled cutaway of Earth's layers — crust, mantle, outer core, and inner core.

Nitrogen Cycle Diagram

Draw a labeled nitrogen cycle with fixation, nitrification, and denitrification.

Hundreds Chart Maker

Create filled or blank 1-100 charts with skip counting, primes, and number patterns.

Solar System Diagram

Draw a labeled solar system with the Sun, eight planets, orbits, and the asteroid belt.

Moon Phases Diagram

Draw the eight labeled moon phases and the Sun-Earth-Moon geometry behind them.

Ogive (Cumulative Frequency) Maker

Draw a labeled cumulative frequency curve from your class boundaries and cumulative frequencies, with the median and quartiles read off the curve.

Dendrogram Maker

Draw a hierarchical clustering tree with a linkage-distance axis, labeled leaves, and optional colored clusters from a text description.

Paper Figure Maker

Generate journal-ready schematics, mechanism figures, and summaries for your paper.

Water Cycle Diagram Generator

Draw a clean, labeled water cycle with evaporation, condensation and precipitation.

Rock Cycle Diagram Generator

Draw labeled igneous, sedimentary, and metamorphic rock cycle diagrams with AI.

Circuit Diagram Maker

Draw clean electrical circuit schematics with standard symbols from a text prompt.

Bohr Model Maker

Draw clean, labeled Bohr diagrams with a nucleus and electron shells from a text prompt.

Particle Diagram Generator

Draw labeled solid, liquid, and gas particle diagrams with correct arrangement.

Biology & Medical

Immunology Diagram Generator

Draw labeled immunology diagrams — antibodies, antigen presentation, T-cell activation, and immune checkpoints.

Signaling Pathway Diagram Generator

Draw labeled signaling cascades — MAPK, PI3K-AKT, Wnt, NF-κB, JAK-STAT, and TGF-β.

PCR Diagram Generator

Draw labeled PCR diagrams — the thermal cycle, qPCR curves, RT-PCR, primers, and workflows.

Western Blot Figure Generator

Draw labeled western blot workflows and results — bands, loading controls, and quantification.

Patient Education Infographic Maker

Create clear, plain-language patient handouts — self-care, warning signs, and medication guidance.

Cell Illustration Generator

Create cell biology diagrams and organelle illustrations

Cladogram Maker

Build labeled cladograms and phylogenetic trees from text.

Biological Pathway Diagram Generator

Create signaling pathway and molecular cascade diagrams

Medical Illustration Generator

Create medical diagrams, anatomy figures, and teaching visuals

Clinical Illustration Generator

Create anatomical diagrams and medical procedure figures

Medical Infographic Maker

Create medical infographics and patient education visuals

ELISA Diagram Generator

Draw labeled ELISA diagrams — sandwich, indirect and competitive assays, workflow, plate layouts, and standard curves.

Flow Cytometry Diagram Generator

Draw labeled flow cytometry figures — cytometer schematics, gating strategies, dot plots, immunophenotyping, and FACS sorting.

Gel Electrophoresis Diagram Generator

Draw labeled gel electrophoresis figures — agarose and SDS-PAGE gels, apparatus, workflow, ladders, and result lanes.

Plant Cell Diagram

Generate a labeled plant cell diagram with all organelles.

Food Web Maker

Diagram energy flow through producers, consumers, and decomposers.

Animal Cell Diagram

Generate a labeled animal cell diagram with all organelles.

Phylogenetic Tree Maker

Generate labeled evolutionary trees with branch lengths from text.

Pedigree Chart Maker

Generate standard genetics pedigree diagrams from a family description.

Volcano Plot Generator

Plot differential expression with thresholds and labels.

Forest Plot Generator

Plot meta-analysis effect sizes with CIs and a pooled diamond.

Kaplan-Meier Plot Generator

Draw survival curves with censoring marks and at-risk tables.

CONSORT Flow Diagram Generator

Build clinical trial participant flow diagrams with n= counts.

Cell Diagram Generator

Draw labeled animal, plant, eukaryote, and prokaryote cells with correct organelles.

Cell Membrane Diagram Generator

Draw a labeled fluid mosaic model with bilayer, proteins, and transport.

Neuron Diagram Generator

Draw labeled nerve cells with dendrites, axon, myelin, and synapses.

Plant vs Animal Cell Diagram

Compare plant and animal cells as a Venn diagram or side by side.

Biogeochemical Cycle Diagram

Draw labeled carbon, nitrogen, water and other nutrient cycles.

Punnett Square Maker

Draw labeled monohybrid, dihybrid, sex-linked and blood-type cross diagrams.

Anatomy Diagram Generator

Create labeled human body, organ, and system anatomy diagrams with AI.

Parts of a Flower Diagram

Draw a labeled flower showing petals, sepals, stamen, and pistil for biology class.

Plant Life Cycle Diagram

Draw a labeled plant life cycle from seed to germination, growth, and flowering.

Food Chain Diagram Maker

Draw clean, labeled linear food chains with arrows showing energy flow.

Bland-Altman Plot Generator

Make a labeled Bland-Altman plot with a bias line and limits of agreement for method comparison.

Funnel Plot Generator

Make a labeled meta-analysis funnel plot to assess publication bias and small-study effects.

Manhattan Plot Generator

Draw a GWAS Manhattan plot with -log10(p) peaks, alternating chromosome colors, and a genome-wide significance line from a plain-text description.

UpSet Plot Generator

Visualize intersections among many sets with a dot matrix, intersection-size bars, and set-size bars — a scalable alternative to Venn diagrams.

Waterfall Plot Generator

Draw an oncology waterfall plot of each patient's best percentage change from baseline in tumor size, with RECIST +20% and -30% reference lines.

Gene Map Maker

Draw a labeled genetic linkage or physical map showing gene loci and markers along a chromosome in centimorgans or megabases.

Plasmid Map Maker

Draw a labeled circular plasmid map with the ori, selectable marker, MCS, promoter, and restriction sites from a text description.

PCA Plot Maker

Generate a PCA score plot, biplot, or scree plot with %-variance axes, colored groups, and confidence ellipses from a plain-text description.

DNA Diagram Generator

Draw labeled DNA diagrams: double helix, base pairs, replication, and DNA vs RNA.

Transcription & Translation Diagram

Generate labeled central dogma, protein synthesis, mRNA, and codon diagrams from text.

Eye Anatomy Diagram Generator

Create clearly labeled human eye diagrams, cross sections, and retina detail for study.

Ear Anatomy Diagram Generator

Draw labeled ear diagrams with the pinna, ossicles, cochlea, and semicircular canals.

Heart Diagram Generator

Create accurate, labeled human heart diagrams with chambers, valves, and blood flow.

Brain Diagram Generator

Create labeled human brain anatomy diagrams, lobes, and cross sections in seconds.

Digestive System Diagram Generator

Draw a labeled human digestive system, organs, and digestion flow with AI

Nervous System Diagram Generator

Draw a labeled human nervous system, central and peripheral divisions, and nerves with AI

Mitosis Diagram Generator

Draw labeled phases of mitosis — prophase, metaphase, anaphase, telophase — in order.

Meiosis Diagram Generator

Create labeled meiosis diagrams, the phases of meiosis I and II, and crossing over.

Cell Cycle Diagram Generator

Make labeled cell cycle diagrams with interphase, G1, S, G2, the M phase and checkpoints.

Mitochondria Diagram Generator

Create labeled mitochondria diagrams with cristae, matrix, and membranes

Chloroplast Diagram Generator

Draw a labeled chloroplast with membranes, stroma, thylakoids, and grana.

Golgi Apparatus Diagram Generator

Draw a labeled Golgi body with cisternae, cis and trans faces, and vesicles.

Dichotomous Key Maker

Draw labeled dichotomous identification keys with paired either/or choices from text.

Photosynthesis Diagram Generator

Labeled photosynthesis diagrams — overview, light reactions, Calvin cycle, and equation.

Krebs Cycle Diagram Generator

Draw a labeled citric acid (TCA) cycle with all 8 intermediates.

Metabolic Pathway Diagram Generator

Create metabolic pathway diagram visuals for central carbon metabolism, glycolysis, TCA links, flux arrows, compartments, and energy outputs.

Lateral Flow Assay Diagram Generator

Create lateral flow assay diagram visuals for sample pads, conjugate pads, nitrocellulose membranes, test lines, control lines, and capillary flow.

Brainstem Diagram Generator

Create brainstem diagram visuals for midbrain, pons, medulla, cranial nerve nuclei, tracts, vascular territories, and clinical lesion callouts.

Oxidative Stress Pathway Diagram Generator

Create oxidative stress pathway diagram visuals for ROS sources, mitochondria, antioxidant enzymes, Nrf2 signaling, lipid peroxidation, inflammation, and cell outcomes.

Tumor Microenvironment Diagram Generator

Create tumor microenvironment diagram visuals for tumor cells, immune cells, CAFs, blood vessels, hypoxia, ECM remodeling, and immune checkpoints.

Ferroptosis Pathway Diagram Generator

Create ferroptosis pathway diagram visuals for iron metabolism, System Xc-, glutathione, GPX4, ACSL4, lipid peroxidation, and ferroptotic cell death.

Subdural Hematoma Diagram Generator

Create subdural hematoma diagram visuals for dura, arachnoid, bridging veins, crescent-shaped bleeding, mass effect, CT-style views, and acute or chronic changes.

Chemistry & Materials

Chemistry Diagram Generator

Create chemistry figures, TOC graphics, and molecular visuals

Reaction Mechanism Figure Generator

Draft organic, catalytic, and electrochemistry mechanism figures

Mechanism Figure Generator

Create signaling pathway and molecular mechanism illustrations

Materials Science Figure Generator

Generate crystal structures and characterization schematics

Nanoparticle Synthesis Diagram Generator

Create nanoparticle synthesis diagram visuals for precursors, nucleation, growth, capping, surface functionalization, purification, and characterization readouts.

Microfluidic Chip Diagram Generator

Create lab-on-a-chip schematics with labeled inlets, microchannels, mixing and reaction chambers, detection windows, and outlets for droplet and organ-on-a-chip devices.

Bell Curve Generator

Create labeled normal distribution graphs with shaded probability regions.

Lewis Dot Structure Generator

Draw electron dot diagrams for any molecule or ion instantly.

Molecular Orbital Diagram Generator

Build labeled MO energy-level diagrams from text.

Engineering & Systems

Workflow Diagram Generator

Generate experimental flowcharts and research methodology diagrams

Schematic Diagram Generator

Generate experimental setup and conceptual schematic diagrams

AI Architecture Diagram Generator

Create neural network and system architecture figures

RAG Architecture Diagram Generator

Create rag architecture diagram visuals for retrieval-augmented generation pipelines, embeddings, vector databases, rerankers, context assembly, and LLM answers.