Instructions
1. Type name, description and drag bookmarklet into form above.
2. Click "Generate extension" to download zipped extension.
3. Unzip downloaded file.
4. Go to extensions settings: Menu » More tools » Extensions
5. Tick "Developer mode" (top right).
6. Click "Load unpacked extension..." and select unzipped folder.
7. Job done! Your new extension is loaded (the black dot).
8. (Optional) Follow me on Twitter: @PeterLegierski