Name: Folio — Documents, reimagined
Author: pisty

A considered workspace for PDFs and Word documents. Organize, merge, split, annotate and sign PDFs; create and edit Word documents; turn reading into source-linked key points, flashcards and practice. Built for Hackemist with automatic saves, recovery and offline-ready bundled tools.

About this app

Requirements

Modern browser with JavaScript and Web Workers. Files process on-device. Signed-in Hackemist player required for account sync. Portable workspace budget 4.4 MiB; larger sources stay local. DOCX reflows common formatting. PDF text tools require a text layer.

Credits

Original Folio interface for Hackemist. React, PDF.js, pdf-lib, Mammoth, docx, DOMPurify, html2canvas, fflate, Lucide, DM Sans and Manrope. License notices included in the app bundle.

Release notes

First complete Folio release: PDF page editing, merge/split/extract, annotations, drawn signatures, form filling, watermarking, page numbers and image export; rich Word editing and DOCX/PDF export; local learning studio; autosave, workspace backups and Hackemist recovery integration.

Desktop Folio overview with recent PDF and Word documents.

The original workspace with document import, creation, quick tools and learning.

Phone PDF viewer with annotation controls and page navigation.

A real four-page PDF rendered by PDF.js. Navigation and editing controls fit the phone.

Landscape page grid with a selected rotated and duplicated PDF page.

Actual page rotation and duplication. Drag or keyboard controls can reorder pages.

Tablet Learn studio showing key sentences and source links.

Key points are extracted locally from the document and linked to its pages.

A flashcard with its revealed answer and source label.

A source sentence becomes an active recall card with a hidden keyword.

A correct answer selected in a document-based practice question.

Practice uses extracted terms from the document. Answer feedback and the original source sentence help reinforce recall.

Word document editor and formatting toolbar in landscape.

Rich Word editing with headings, formatting, lists, tables, links, images and export.

Sixteen document tools in a narrow phone workspace.

A responsive toolkit for PDF, Word, conversion, signing and learning. The tool panel scrolls inside fixed app navigation.

Real local browser interaction: overview, PDF viewer, page rotation and duplication, source-linked key points, flashcard reveal, practice feedback, Word editing tools and the full toolkit. Account sync is separate from this isolated recording.