Tinta

oipoistar·oipoistar.Tinta

Fast, lightweight markdown and Mermaid viewer for Windows

Tinta is a fast, lightweight markdown viewer and reader for Windows, built with Direct2D and DirectWrite for hardware-accelerated rendering. A single native executable of about 2.5 MB that starts in under 100 ms - no Electron, no web engine, no installer. Features review annotations with a copy-for-agent loop, plain-text file references with mouse back and forward navigation, rendered link previews on hover, export to HTML, DOCX and PDF plus optional Pandoc export to EPUB, ODT, PPTX, RTF and LaTeX, a Win11-style tabbed interface with drag and drop, session restore and a tab context menu, an icon menu for file actions and settings, full file-path copying, cross-document heading links, local PDF links, configurable frontmatter with opt-in created/updated timestamps, footnotes with HTML/DOCX support, individual H1-H6 and highlight colors, expanded syntax highlighting, resizable Contents through H6 and a resizable file browser, separate inline-code theme colors, native LaTeX math with matrices, cases, aligned equations and equation-local macros, native rendering for twenty-two Mermaid diagram families (flowcharts with subgraphs, sequence, class, state, ER, C4, requirement, architecture, block, sankey, packet, kanban, treemap, radar, pie, git graphs, gantt, mindmaps, timelines, journeys, quadrant and xy charts), custom themes with a built-in editor, shortcut profiles, a UI in seven languages, first-class CJK text layout, glyph-precise text selection, a table of contents and folder browser that can be pinned open beside the document, full-text search, zoom, a start page with recent files, and a unified editor whose rendered page floats beside the source with live diagram preview, click-to-edit tables, and a full-width preview of unsaved edits.