Elysia Tools: Tools, Visualizations, and Samples in One Place

LibreOffice ODT to PDF

Batch convert ODT documents to PDF via LibreOffice while preserving original layout

Document Tools

HTML Mail to PDF

Render email HTML content to PDF with preserved basic formatting using Puppeteer

Document Tools

LibreOffice ODP to PDF

Batch convert ODP presentations to PDF via LibreOffice while preserving original layout

Document Tools

LibreOffice ODS to PDF

Batch convert ODS spreadsheets to PDF via LibreOffice while preserving original layout

Document Tools

LibreOffice DOCX to PDF

Batch convert .doc/.docx files to PDF via LibreOffice while keeping original layout

Document Tools

LibreOffice XLSX to PDF Report

Convert Excel workbooks to multi-page PDF reports via LibreOffice and merge batch outputs

Document Tools

LibreOffice PPT to PDF Handouts

Convert PPT/PPTX to PDF and optionally render handout layout with multiple slides per page

Document Tools

PDF Multipage Form Mock

Create printable multi-page form mocks with text fields, checkboxes, and signature areas

Document Tools

Polarized Light - Light Polarization Visualization

Interactive simulation demonstrating light polarization, Malus's law, and polarizer action

Young's Double Slit Interference - Wave Optics Visualization

Interactive simulation demonstrating wave interference through two slits with real-time intensity visualization

Feedforward Neural Network / MLP

Multi-layer Perceptron - The Foundation of Deep Learning

Perceptron/Neuron - The Fundamental Unit of Deep Learning

Interactive visualization of perceptron, activation functions, and neural network fundamentals

Single Slit Diffraction - Wave Optics Visualization

Interactive simulation demonstrating wave diffraction through a single aperture with real-time intensity visualization

New Economics of Industrial Policy

Juhasz, Lane, Rodrik (2023-2024)

Doughnut Economics - A 21st Century Framework for Sustainable Development

Interactive visualization of Kate Raworth's Doughnut Economics framework - understanding the safe and just space for humanity between social foundations and ecological ceilings

Thin Film Interference - Optical Interference Visualization

Interactive simulation demonstrating optical interference in thin films with real-time fringe pattern visualization

ODP Samples

Sample OpenDocument Presentation files for slide parsing and conversion tests

2 samples

ODT Samples

Sample OpenDocument Text files for document parsing and layout conversion tests

2 samples

ODS Samples

Sample OpenDocument Spreadsheet files for worksheet parsing and report conversion tests

3 samples

DOCX Samples

Sample DOCX documents for word-processing testing and parser validation

3 samples

XLSX Samples

Sample XLSX spreadsheets for worksheet parsing and data extraction testing

3 samples

PPTX Samples

Sample PPTX slide decks for presentation parsing and conversion workflows

2 samples

PDF Samples

Generated PDF samples from tools dated 2026-02-01 to 2026-02-10

26 samples

Markdown Slide Deck Samples

Remark/Marp style Markdown slide decks for testing PDF export layouts

1 samples