ニコニコ保存
Tools
ニコニコ動画から動画・音声・サムネイルを保存できる非公式の拡張機能です。
- Store users
- 188
- Ratings
- Not rated yet
mayuzumi
4 listings we've seen · as of 6 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.
Image Reaper
Tools
Harvest every image on any page. Filter, preview, and bulk-download as ZIP from the side panel.
- Store users
- 7
- Ratings
- Not rated yet
ReadMemo
Tools
Reading List × Notepad — attach notes to saved URLs. A smarter way to read later.
- Store users
- 5
- Ratings
- Not rated yet
そろばん計算機
Tools
本格的なそろばんで計算できる拡張機能
- Store users
- 3
- Ratings
- Not rated yet