Chrome extension tools

These tools are tagged as Chrome extensions, though they do very different jobs. Markdown Viewer and Riff are the clearest examples of browser add-ons.

Markdown Viewer works in Chrome and Edge. It renders local and web .md files with a folder tree, search, annotations, diagrams, math and export options. It is free. Riff drafts replies and posts for X, LinkedIn, Facebook and Instagram from a short point the user types. It runs Gemini Nano on the user's own computer and needs no account or API key. Clipy is a screen recorder that makes share links for coding agents, with a free trial.