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Free Scientific Visualization Tools

Tools for Scientists Who Need Better Figures

Interactive tools that solve the most common visualization problems in scientific research - from choosing the right chart type to verifying your figure meets journal submission standards.

No sign-up requiredInstant resultsFree to use

Available Tools

Scientific Chart Type Selector

Find the right visualization in 3 clicks (embeddable)

Answer three questions about your data type, number of variables, and research goal. Get a specific chart recommendation with a link to Python code. Includes an embeddable widget you can add to your lab site or blog.

Decision TreeVisualization GuideEmbeddable Widget
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Journal Figure Requirements Checker

25+ Journals

Exact specs for 25+ major journals

Look up DPI, file format, column widths, font size requirements, and color mode specifications for Nature, Science, Cell, PNAS, and 20+ other journals. Searchable and filterable.

Journal ComplianceFigure FormattingSubmission Ready
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Matplotlib Publication-Ready Upgrader

10 Issue Types

Detect and fix the 10 most common quality issues

Paste your matplotlib code and instantly get a checklist of issues that would cause a rejection or revision request: DPI too low, font sizes too small, missing axis labels, wrong color choices, and more.

Code AnalysisMatplotlibQuality Check
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Research Plot Finder

35 Scenarios

Start from your research question, not your data type

Browse 35 research scenarios across biology, chemistry, physics, clinical science, and computational research. Each scenario maps directly to the best visualization with a Python code example.

35 ScenariosResearch-FocusedField-Specific
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t-test Calculator

New

Compare two groups and get an exact p-value

Paste two groups of numbers and get the p-value, group means, and error bars - computed with scipy, not AI. Auto-picks Student’s t-test, Welch’s t-test, or the Mann-Whitney U test, and writes a paste-ready methods sentence.

Significance Testp-valueMethods Sentence
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ANOVA Calculator

New

Compare 3+ groups with Tukey post-hoc

Paste three or more groups and get the F-statistic, p-value, and Tukey HSD pairwise comparisons. Falls back to Kruskal-Wallis automatically when your data is not normal. Exact, reproducible, and paper-ready.

One-way ANOVAPost-hocKruskal-Wallis
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Correlation Matrix Generator

New

Pearson or Spearman matrix with APA export

Paste your columns and get a full correlation matrix with p-values, significance stars, and means and SDs. Copy it as an APA table, LaTeX, or CSV. Runs entirely in your browser - your data is never uploaded.

Pearson & SpearmanAPA TableIn-Browser
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Regression Table Generator

New

OLS coefficients, betas, R-squared and F

Paste data, pick an outcome and predictors, and get a publication-ready OLS regression table - coefficients, standard errors, standardized betas, t, p, plus R-squared and the model F-test. Export to APA, LaTeX, or CSV. Computed in your browser.

Linear RegressionStandardized BetaAPA Table
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Which Tool Do You Need?

Match your situation to the right tool instantly.

Your RoleUse This Tool
PhD StudentChart Type Selector β†’
PostdocMatplotlib Upgrader β†’
PI / Lab HeadJournal Requirements Checker β†’
Research ScientistResearch Plot Finder β†’

Related Resources

Need a Figure, Not Just a Tool?

Plotivy's AI analyzes your data, selects the right chart type, generates Python code, and creates a publication-ready figure - all from a simple prompt.

Generate My Figure