PatchDoc

PatchDoc is a lightweight, all-in-one file editor and viewer that helps you quickly handle common documents, code files, and archives on your iPhone and iPad.

Whether you need to quickly tweak a Markdown file, check some C++/Python/HTML code, edit a CSV, or preview PDFs, Office documents, and images, PatchDoc keeps things simple—getting the job done without overcomplicating it.

**Key Features:**

* Text and Markdown editing with preview, search, and quick formatting tools
* Code editing (Python, C++, and more) with syntax highlighting across multiple languages
* CSV table view for easy browsing and editing
* HTML source editing with live preview
* PDF viewing with lightweight annotations
* Preview support for Office files, images, eBooks, audio, and video
* Browse, preview, and extract common archive formats like ZIP
* Recent files, file info, “Save As,” and in-place editing

**Great for:**

* Quickly editing code, configs, or text files on the go
* Viewing Markdown, CSV, JSON, YAML, XML, and HTML on mobile
* Inspecting files inside compressed archives
* Opening shared documents without switching between multiple apps
* Studying, working, debugging, or managing files on mobile

**Editable file types:**
Plain text, Markdown, JSON, YAML, CSV, XML, HTML, SVG, Plist, TOML, INI, config files, Diff/Patch, and code files including Swift, Python, JavaScript, TypeScript, C, C++, Java, Go, Rust, PHP, Ruby, Shell, SQL, Kotlin, C#, Dart, Lua, Scala, R, and more.

**Preview-supported file types:**
PDF, Word, Excel, PowerPoint, Pages, Numbers, Keynote, images, EPUB, SQLite databases, audio, video, fonts, contacts, calendars, USDZ/3D models, and more.

**Archive support:**
ZIP, CBZ, JAR, RAR, CBR, 7Z, TAR, GZ, TGZ, BZ2, TBZ, XZ, TXZ, and more. Some formats may be limited by iOS system capabilities, encryption methods, or compression algorithms.

PatchDoc is built around a simple idea: open a file, see what’s inside, edit when needed, preview when needed—nothing more, nothing less.