Seiga Downloader icon

Seiga Downloader

by 0x4c · Workflow & Planning
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

ニコニコ静画の作品ページに画像ダウンロード用のリンクを追加

Users
1,000
0 in 30 days
Rating
4.3 / 5
unchanged in 30 days
Ratings
10
0 in 30 days
Store rank
#26K
#22K among extensions
Version
3.8.12
updated 7 Feb 2023

Users

monthly, 3 years
3006501,000Aug 2023Apr 2025Oct 2026
Latest, 16 Oct 2026: 1,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
1610Aug 2023Apr 2025Oct 2026
Latest, 16 Oct 2026: 10 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Seiga Downloader

ニコニコ静画の作品ページに画像ダウンロード用のリンクを追加します。 『Seiga Download』の代替になります。 === v3.8.12 (2023/02/06) Chromium v106 以降ダウンロード履歴が保存されない問題を修正 v3.8.11 (2022/05/29) 名前に制御文字を含むとダウンロードされない不具合を修正 v3.8.10 (2021/11/22) WebP の拡張子が null になる不具合を修正 一部の漫画が処理できない不具合を修正

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months0+0.0%00.00
1 year0+0.0%00.00

Version history

7 versions recorded
3.8.127 Feb 2023
3.8.1129 May 2022
3.8.1023 Nov 2021
3.8.922 Nov 2021
3.8.825 Nov 2020
3.8.7.1112 Aug 2020
3.8.7.104 Jul 2020

Details

Category
Workflow & Planning
First seen
4 Jul 2020
Size
19 KB
Languages
ja
Pricing
Free
Support
twitter.com
Extension ID
dgfdpehcgeilbiifcaajajlcbfkaokfh

Permissions and risk

Low riskimpact 2, likelihood 1
Permissions
contextMenusdownloadsstorageunlimitedStorage
Site access
*://lohas.nicoseiga.jp/*://seiga.nicovideo.jp/https://dcdn.cdn.nimg.jp/https://deliver.cdn.nicomanga.jp/

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