Free Tools
for R & DataScience.
Practical tools for R programmers and data analysts.
No account needed - just resources
to help you code faster.
R Error Explainer
Paste any R error message and get an instant plain-English explanation with step-by-step fix. Covers 40+ common R errors.
R Error Reference
Browse and search 40+ common R errors with explanations, fixes, and code examples. Like Stack Overflow, but focused on R errors.
Break-Even Chart Generator
Enter your costs and selling price to generate an interactive break-even chart with key financial metrics.
Chart Chooser
Not sure which chart to use? Filter by analytical goal and data type to find the right visualization — with ggplot2 code examples.
CSV to Excel
Convert CSV files to Excel (.xlsx) instantly in your browser. Auto-detects delimiters, previews data, and keeps everything private.
Excel to CSV
Convert Excel files (.xlsx, .xls) to CSV with sheet selection and custom delimiters. 100% browser-based — your data never leaves your device.
These tools are just the start.
RChat is a full AI-powered R IDE that writes code, fixes errors, generates charts, and runs R directly in your browser.