A downloadable tool

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Apnimoz is a lightweight Markdown editor and viewer for Windows. Edit markdown files with live preview or just use as a viewer.

I needed a good markdown editor and viewer and couldn't find one that I liked and fit my needs 100%. So what do you do in 2026? You have AI make one for you. Even if AI did all the heavy lifting this still took a fair bit of iterative prompting and even some coding on my own to get it to a point where I was satisfied with the result. You know the saying "The last 20% takes 80% of the time". It's correct most of the time, and more so with AI.

Features:

Native Windows app with no installation required
100% GFM conformance: passes all 677 examples in the published GitHub Flavored Markdown 0.29-gfm specification.
Edit source with live preview
Multiple documents in tabs
Outline panel for navigating longer documents
Markdown syntax highlighting
Formatting commands for headings, lists, links and more
Find and Replace with case and whole-word options
Linked scrolling between source and preview
Adjustable text sizes, interface scaling and word wrap
Customizable colors through an editable theme file
Recovery drafts for unsaved work after an unexpected shutdown

Just unzip, run Apnimoz.exe and start writing.