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Free Scientific Diagram & Figure Tools
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Featured scientific tools
Start with a focused AI workflow for papers, posters, mechanisms, pathways, and research visuals.
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Matching tools
Biology & Medical
Cell, anatomy, pathway, clinical, and biomedical illustration workflows.
Cell Illustration Generator
Create cell biology diagrams and organelle illustrations.
Biological Pathway Diagram Generator
Create signaling pathway and molecular cascade diagrams.
Medical Illustration Generator
Create medical diagrams, anatomy figures, and teaching visuals.
Volcano Plot Generator
Plot differential expression with thresholds and labels.
Forest Plot Generator
Plot meta-analysis effect sizes with confidence intervals and a pooled diamond.
Kaplan-Meier Plot Generator
Draw survival curves with censoring marks and at-risk tables.
Cell Diagram Generator
Draw labeled animal, plant, eukaryote, and prokaryote cells.
Human Anatomy Diagram Generator
Create labeled human body, organ, muscle, skeleton, and system anatomy diagrams.
DNA Replication Diagram Generator
Draw labeled DNA replication diagrams with forks, enzymes, base pairs, and strand direction.
Transcription & Translation Diagram
Generate labeled central dogma, protein synthesis, mRNA, and codon diagrams.
Mitosis Diagram Generator
Draw labeled phases of mitosis in order.
Photosynthesis Diagram Maker
Create labeled photosynthesis diagrams, light reactions, Calvin cycle, and equation.
Flower Parts Diagram Generator
Draw labeled flower diagrams with the four whorls, stamen and carpel detail, and blank worksheets.
Krebs Cycle Diagram Generator
Draw a labeled citric acid cycle with all 8 intermediates, enzymes, and yields.
Dose-Response Curve Generator
Fit four-parameter logistic curves and report EC50 or IC50 values.
Bland-Altman Plot Generator
Compare two measurement methods with bias and 95% limits of agreement.
ROC Curve Generator
Compute ROC curves and AUC from labels and scores for diagnostic models.
PCA Plot Generator
Project high-dimensional samples onto PC1 and PC2 with explained variance.
Manhattan Plot Generator
Plot GWAS p-values across chromosomes with significance thresholds.
Punnett Square Maker
Build monohybrid, dihybrid, and sex-linked Punnett squares with exact genotype and phenotype ratios.
Phylogenetic Tree Maker
Paste a Newick tree and draw a clean rectangular, cladogram, or circular phylogeny with branch support.
CONSORT Diagram Generator
Enter trial counts and get a checked CONSORT flow diagram for enrollment, allocation, follow-up, and analysis.
Plasmid Map Maker
Describe a vector and generate a labeled circular plasmid map figure for papers and slides.
Plant Cell Diagram Generator
Generate labeled, blank, and simple plant cell diagrams with every organelle named.
Animal Cell Diagram Generator
Generate labeled, blank, and simple animal cell diagrams for worksheets and revision.
Cell Membrane Diagram Generator
Draw a labeled fluid mosaic model with the phospholipid bilayer, proteins, and transport.
Digestive System Diagram Generator
Generate labeled and blank human digestive system diagrams from mouth to anus.
Plant vs Animal Cell Diagram Maker
Compare plant and animal cells side by side or as a labeled Venn diagram.
Ear Diagram Generator
Generate labeled and blank ear diagrams covering the outer, middle, and inner ear.
Cellular Respiration Diagram Generator
Draw glycolysis, the Krebs cycle, and the electron transport chain, or compare it with photosynthesis.
Meiosis Diagram Generator
Draw labeled meiosis I and II stages, crossing over, and blank worksheet versions.
Cell Cycle Diagram Generator
Draw the cell cycle as a labeled loop or a phase-duration pie chart.
Golgi Apparatus Diagram Generator
Draw a labeled Golgi apparatus with cis and trans faces, cisternae, and vesicles.
Eye Diagram Generator
Generate blank and labeled eye anatomy diagrams for worksheets and revision.
Microscope Diagram Generator
Draw a labeled compound light microscope with every part named, plus a blank one to fill in.
Mitochondria Diagram Generator
Draw a labeled mitochondrion with cristae, matrix, and both membranes named.
DNA Diagram Generator
Draw a labeled DNA double helix with base pairing, backbone, and nucleotide structure.
Heart Diagram Generator
Draw a labeled or blank human heart with chambers, valves, and blood flow marked.
Neuron Diagram Generator
Draw a labeled neuron with dendrites, axon, myelin sheath, and synapse named.
Respiratory System Diagram Generator
Draw a labeled or blank respiratory system from trachea to alveoli for worksheets.
Urinary System Diagram Generator
Draw a labeled or blank urinary system with kidneys, ureters, bladder, and urethra named.
Brain Diagram Generator
Draw a labeled, blank, or silhouette brain diagram with the four lobes and major structures.
Chloroplast Diagram Generator
Draw a labeled chloroplast with thylakoids, grana, stroma, and both membranes named.
Action Potential Diagram Generator
Draw a labeled action potential trace with threshold, depolarisation, repolarisation, and refractory period.
Calvin Cycle Diagram Generator
Draw a labeled Calvin cycle with fixation, reduction, and RuBP regeneration, counted per 3 CO2.
Synapse Diagram Generator
Draw a labeled chemical synapse, electrical synapse, or neuromuscular junction, or a blank one to label.
Glycolysis Diagram Generator
Draw the ten steps of glycolysis with enzymes, ATP, NADH, and the net yield of 2 ATP and 2 pyruvate.
Leaf Cross Section Diagram Generator
Draw a labeled leaf cross section with cuticle, palisade and spongy mesophyll, vein, and stomata.
Wiggers Diagram Generator
Plot the cardiac cycle with aortic, ventricular, and atrial pressure, ventricular volume, ECG, and heart sounds aligned.
Coagulation Cascade Diagram Generator
Draw the intrinsic, extrinsic, and common pathways with every clotting factor numbered correctly.
Skeletal System Diagram Generator
Draw a labeled or blank human skeleton with the major bones named, plus a matching answer key.
Lymphatic System Diagram Generator
Draw lymph nodes, vessels, the thoracic duct, spleen, and thymus, with labels or blank to label.
Endocrine System Diagram Generator
Draw the endocrine glands and their hormones as a labeled diagram, a gland chart, or a blank worksheet.
Skin Diagram Generator
Draw the epidermis, dermis, and hypodermis with or without labels, plus a matching answer key.
Nephron Diagram Generator
Draw a labeled or unlabeled nephron from glomerulus to collecting duct, plus a matching answer key.
Dermatome Chart Generator
Draw a C2 to S5 dermatome map, front and back, labeled or blank, with the landmarks to check.
Michaelis-Menten Plot Generator
Fit Km and Vmax from substrate and rate data, and draw the hyperbola with its Lineweaver-Burk plot.
96 Well Plate Template
Lay out samples on a 96, 384, 48, 24, 12, or 6 well plate and export PNG, SVG, or CSV.
Cladogram Maker
Enter a character matrix and get the cladogram drawn, with each clade labelled by its characters.
Food Web Maker
Add organisms, click what eats what, and get the web drawn with trophic levels worked out.
Dichotomous Key Maker
Build a branching identification key from a trait table, then export PNG, SVG, or a printable text key.
Pedigree Chart Maker
Draw a genetic pedigree with standard symbols, check AD, AR and X-linked patterns, and export SVG, PNG or PDF.
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