Sheaf

About Sheaf

Sheaf is a fast, offline markdown editor with a live split-view preview, tabs, math and diagram rendering, and built-in HTML/PDF export. Version 1.1 is all about keeping you in the flow with a command palette, find in preview, collapsible headings, fold commands, image paste & drop, tab shortcuts, a rebuilt find/replace bar, and clearer pane labels. Key features: * Split / source / preview view modes with synchronized scrolling * Multiple documents at once via tabs * GFM markdown (tables, strikethrough, autolinks), math (KaTeX), and diagrams (Mermaid) * Syntax-highlighted code blocks * Autosave plus manual Save/Save As * External-edit detection with safe reload * Document outline sidebar, word count, and reading time * Export to standalone HTML or PDF * Light/dark appearance with 7 selectable editor color themes * Native macOS integration: file associations, Open Recent, Finder drag-and-drop