Complete suite of free, private in-browser tools to analyze thesis survey data, track semester grades, calculate GPAs, and prepare charts for academic reports.
All tools operate 100% locally in your browser memory with zero signup required.
Convert spreadsheet grades and lab numbers into clean bar/line charts.
Run Python (Pandas) or SQL queries in your browser with zero installs.
Plot Likert scales and survey response distributions.
Extract data tables from academic papers and PDF reports.
Fix missing values, strip whitespace, and normalize columns.
Plot multiple metrics side-by-side for comparison.