PUBLISHED TOOL DIRECTORY
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Exact Pell Sequence Calculator
Calculate a Pell sequence term from its zero-one coefficient-two recurrence.
Exact Perrin Number Calculator
Calculate a Perrin term under the explicit zero-based 3,0,2 convention.
Exam Countdown Planner
Create a bounded, editable exam countdown planner from supplied learning information with transparent rules and academic safeguards.
Exam Countdown Planner
Create a bounded, browser-local exam countdown planner with visible assumptions, review guidance, and downloadable output.
Exam Invigilation Checklist
Create a bounded, editable exam invigilation checklist from supplied learning information with transparent rules and academic safeguards.
Excel to CSV
Export the first or every XLSX worksheet to formula-protected UTF-8 CSV without executing formulas.
Excel to DOCX
Convert Excel into DOCX locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.
Excel to EPUB
Convert Excel into EPUB locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.
Excel to HTML Table
Export one XLSX worksheet as a standalone escaped HTML table using stored values.
Excel to ICS
Convert a strict event worksheet into an importable ICS calendar with explicit date rules.
Excel to JSON
Export one bounded XLSX worksheet as a formatted JSON record array without recalculating formulas.
Excel to JSON Schema
Convert Excel into JSON Schema locally, with explicit format controls, bounded validation, a reviewable preview when practical, and a separately named download.