asked the machines to make some improvement. window select. other browser support. I think. I haven't tested it yet. YOLO.

README.md

@@ -2,7 +2,7 @@
 
 > *A browser extension for people who open 47 tabs and call it "research".*
 
-TabCatcher is a tiny Microsoft Edge (and Chrome-compatible) extension that rounds up all your feral open tabs and herds them into a neat Markdown file — titles, URLs, descriptions, and all.
+TabCatcher is a tiny browser extension that rounds up all your feral open tabs and herds them into a neat Markdown file — titles, URLs, descriptions, and all. Works on Chrome, Chromium, Firefox, and Edge.
 
 ---
 
@@ -13,6 +13,7 @@ You click a button. Your tabs become a `.md` file. That's it. That's the whole t
 More specifically:
 
 - Counts your open tabs and windows so you can feel something
+- **Lets you choose** which windows or tab groups to catch — ignore the noise, export the signal
 - Fetches `<meta>` descriptions from each page (optional — it does slow things down a smidge)
 - Groups tabs by window if you're the type who organizes chaos into labeled chaos
 - Stamps the export with a timestamp so future-you knows exactly when past-you had 74 tabs open at 2am
@@ -21,22 +22,44 @@ More specifically:
 
 ## Installation
 
-This extension isn't on the store (yet). Load it manually:
+This extension isn't on the stores (yet). Load it manually:
 
 1. Clone or download this repo
-2. Open Edge and go to `edge://extensions/`
+
+Then follow the steps for your browser:
+
+### Chrome / Chromium
+
+2. Go to `chrome://extensions/`
 3. Enable **Developer mode** (toggle, top-right)
-4. Click **Load unpacked** and point it at this folder
-5. Pin the extension and marvel at that little icon
+4. Click **Load unpacked** and select this folder
+5. Pin the extension to your toolbar
+
+### Microsoft Edge
+
+2. Go to `edge://extensions/`
+3. Enable **Developer mode** (toggle, left sidebar)
+4. Click **Load unpacked** and select this folder
+5. Pin the extension to your toolbar
+
+### Firefox
+
+2. Go to `about:debugging#/runtime/this-firefox`
+3. Click **Load Temporary Add-on...**
+4. Navigate into this folder and select `manifest.json`
+5. The extension loads until Firefox restarts — for a permanent install, [sign and submit it to AMO](https://addons.mozilla.org/developers/)
+
+> **Note:** Tab group selection is a Chrome/Edge feature. On Firefox you'll see windows only — that's expected.
 
 ---
 
 ## Usage
 
 1. Click the TabCatcher icon in your toolbar
-2. Pick your export options
-3. Hit **Export Tabs**
-4. Save the `.md` file somewhere you'll definitely find it later
+2. Check or uncheck which **windows** (and tab groups, on Chrome/Edge) to include
+3. Pick your export options
+4. Hit **Export Tabs**
+5. Save the `.md` file somewhere you'll definitely find it later
 
 ### Export options