CodeCell
Spreadsheet editor + share links
Data tools
Excel-like sheets in the browser. Import/export, autosave, and local sharing via ?share=.
Great for learning UI wiring, client-side state, and server endpoints in one file.
SlideIt
PowerPoint-style editor + present mode
UI/drag
Build slides with text, shapes, and images. Practice drag/resize interactions, layout scaling,
and building a “present mode” viewer that feels native.
PDFIt
PDF utilities / document workflows
Documents
A home for PDF-focused tools (conversion, merging, export). Useful for learning file handling,
UI flows, and creating “utility apps” people actually use.
WordIt
Open and edit Word documents
DOCX
Open modern Microsoft Word documents directly in the browser. Drag in a DOCX file,
edit its content, then download HTML or text and print to PDF.