Convert classic AT&T troff typography documents (.tr, .troff, .t) into clean GitHub Flavored Markdown directly in your browser. Translates primitive requests and macros (ms, me, mm) with preserved headings, lists, and verbatim code blocks 100% offline with zero server uploads.
Detailed side-by-side format architecture for TR Document (.tr) and Markdown Document (.md). Every conversion executes strictly within isolated browser memory without network transit.
Drag and drop your .tr file onto the working surface or use the system file dialog. File magic bytes are verified locally on device.
Select a quality preset (Lossless, Visually Lossless, Balanced, Smallest) or adjust advanced encoding switches in the options panel.
Click CONVERT to execute local WebAssembly compilation. Save the finished .md directly to local storage, or stage it for chaining.
Prefer local shell scripting? Run this standard POSIX command on your machine to achieve equivalent transcoding without a web interface:
# Convert TR to MD locally
pandoc input.tr -o output.mdWorking with files across multiple web pages? The official convrtr Chrome Extension adds native Side Panel docking, right-click context menu media extraction, and visible viewport capture. Powered by the same zero-upload client-side WebAssembly engine.
Troff (short for 'typesetter roff') is a classic typography and document layout program developed in 1973 by Joe Ossanna and Brian Kernighan at AT&T Bell Laboratories. It was used to typeset seminal computing literature including The C Programming Language (K&R) and Unix system documentation.
convrtr evaluates troff primitive requests (.tl, .sp, .br, .ce, .nf/.fi), expands string registers (\*(name), and processes classical macro conventions (.TL, .NH, .SH, .PP, .IP, .QP), translating them into structured Markdown headings, blockquotes, and code fences.
Never. All text decoding, escape sequence resolution, and Markdown synthesis occur entirely client-side inside your browser sandbox. No file data is ever uploaded.
TR Document (TR) and Markdown Document (MD) serve distinct roles across the digital workflow. Converting to MD provides optimized compatibility, modern compression efficiency, or standardized playback across web browsers, operating systems, and media production environments.
The output format (MD) is inherently lossless or supports lossless operation. Your original visual or audio fidelity is mathematically preserved without quantization artifacts.
Never. convrtr is architected with a strict zero-upload model. All processing, decoding, decompression, and encoding happen 100% locally on your machine using sandboxed WebAssembly and Web Workers. Your data never touches an external server, database, or analytics collector.
You can execute this conversion locally via command-line utilities such as ffmpeg, cwebp, or ImageMagick. For example: see the developer terminal recipe provided in the technical specifications dossier above. convrtr provides the identical local-first capability directly inside your browser without installing CLI packages.
Yes. You can drop multiple .tr files into the instrument to process them concurrently in browser Web Workers, or click 'Open in Master Studio' to queue mixed formats, configure individual targets, and export as a single ZIP archive.
Discover classical AT&T troff (.tr / .troff) typesetting documents from Bell Labs. Learn how dot requests, string registers, and macros translate to GFM Markdown.