Personal web tools and retro vector craft.

Independent web utilities, interactive demos, and retro-computing experiments built for the browser.

Explore LITT.CHR
Borland LITT.CHR v1.1 vector specimen
Cap +7 / Base 0 / Desc -2 vector grid Open interactive glyph plotter

Hosted projects and utilities

Interactive technical tools, retro-computing demos, and small utilities built and hosted on markm.cd.

Interactive web app · 1989 BGI

BGI Stroked Font Explorer (LITT.CHR)

Interactive SVG stroke plotter, CP437 glyph inspector, and binary decoder for Borland's 1989 LITT.CHR vector font format.

Open explorer
Python utility · CLI & SVG

BGI Font Binary Parser (bgi_font.py)

Standalone Python parser and SVG renderer for Borland stroked font files, supporting raw .CHR binaries and hex dumps with full CP437 mapping.

Download script