MarkUp — Text & Math Editor

MarkUp — Text & Math Editor

MarkUp is a writing app for notes, research, and long-form work — from quick Markdown notes to a full LaTeX thesis. Typeset .tex files with a real XeTeX engine that runs entirely on your device, write in Markdown with live preview, or edit .docx files with a true page layout. For students, researchers, and technical writers, on Mac, iPhone, and iPad.

LaTeX, offline (Pro) • A real XeTeX engine on your device — no internet, no account, nothing uploaded • Download the typesetting files once, then compile on a plane • Tap the rendered page to jump to the line that made it, and back again (SyncTeX) • Autocomplete for commands, citations, references, environments, and file paths • Errors and warnings marked in the margin, with plain-English explanations • Code check that catches common LaTeX mistakes before you compile • Search the typeset PDF, follow its outline, fold sections, step through pages • Maths symbol palette, visual table builder, live preview of the equation at your cursor • Multi-file projects, BibTeX bibliographies, and ready-made templates

Word (.docx) documents • Create and edit fully formatted .docx files with a real page layout • Set page size, margins, body inset, line spacing, and headers & footers — saved per document • Insert photos and wrap text around them: in line with text, in columns, behind text, or in front of text • Zoom and fit-to-window page view • LaTeX math inside .docx documents (Pro)

Write in Markdown • Live rendered preview as you type • LaTeX math equation rendering (KaTeX) • Split view — write and preview side by side • Table editor with a visual grid • Special character insertion • Find & replace with match highlighting • Word count and character count

Templates • Start from a ready-made article, paper, thesis, problem set, presentation, or CV • Save any document as a reusable template, for any file type (Pro) • Your templates sync across your devices

Version history • Automatically keeps earlier drafts as you edit • Compare any version against the current file with side-by-side rendered differences • Restore any earlier version in a tap (Pro)

Files & workflow • Works with txt, md, tex, rmd, fountain, yaml, yml, json, csv, html, rtf, and docx files • Export to PDF, HTML, RTF, Markdown, LaTeX, .docx, and Plain Text • Open and sync any folder from iCloud or your device, including subfolders • Find & replace across an entire folder • Customizable toolbar — show only what you need • Spell check that understands LaTeX, in the language you write in • File autosave • Dark mode support • Full keyboard shortcut support

MarkUp is free to use. MarkUp Pro unlocks offline LaTeX typesetting, LaTeX in .docx, version history, your own templates, and unlimited file exports — available as a one-time purchase or a yearly subscription.

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