# VScreenshot Assistant

> YouTube他いくつかの動画配信プラットフォームでのスクリーンショット撮影を支援します。

Canonical page: [https://chrome-stats.com/d/vscreenshot-assistant](https://chrome-stats.com/d/vscreenshot-assistant)

## Overview

- **ID:** `vscreenshot-assistant`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** qitoi
- **Category:** photos-music-videos,social-communication
- **Daily users:** 30
- **Weekly downloads:** 2
- **Rating:** 4.00 / 5 (1 ratings)
- **Version:** 1.9.3
- **Last updated:** 2026-01-17
- **First published:** 2021-09-24
- **Size:** 557 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/vscreenshot-assistant/)
- **Website:** [https://github.com/qitoi/vscreenshot-assistant](https://github.com/qitoi/vscreenshot-assistant)

## Description

VScreenshot Assistant is a Firefox add-on that allows you to easily capture screenshots and create animated GIFs from videos on popular platforms like YouTube, Twitch, and NicoNico. With just a press of a key, you can save and organize screenshots for each video, post them on Twitter, or save them in a ZIP file.

## Rankings

- #20,407 — Overall
- #62 — greenshot
- #65 — screenshot to pdf
- #94 — screenshots
- #99 — assistant
- #113 — screenshot

## Permissions and access

### Permissions

- `storage`
- `unlimitedStorage`
- `contextMenus`
- `webNavigation`
- `clipboardWrite`

### Host permissions

- `https://i.ytimg.com/*`
- `https://public.spwn.jp/*`
- `https://img.cdn.nimg.jp/*`
- `https://nfc-api.hololive-fc.com/*`
- `https://nfc-api.tokinosora-fc.com/*`

### Content script matches

- `*.youtube.com`
- `*.spwn.jp`
- `*.nicovideo.jp`
- `*.twitch.tv`
- `*.hololive-fc.com`
- `*.tokinosora-fc.com`
- `*.live.eplus.jp`
- `*.zan-live.com`
- `twitter.com`
- `x.com`

## Safety

- **Risk impact:** Very high risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Request access to the following domains: youtube.com, spwn.jp, nicovideo.jp, twitch.tv, hololive-fc.com, tokinosora-fc.com, eplus.jp, zan-live.com, twitter.com, x.com, ytimg.com, nimg.jp
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/vscreenshot-assistant)