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

Latest Version

Version
3.8.12
Update
February 7, 2023
Size
18.51KiB
Developer
Category
Users
1,000+
Rating
4.3 ★
Manifest Version
3
Web Store Status
Languages Support
日本語
See more
Permissions
ContextMenus
Downloads
Storage
UnlimitedStorage
See more

Seiga Downloader Extension

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)
\tChromium 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)
\t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)
\tWebP の拡張子が null になる不具合を修正
\t一部の漫画が処理できない不具合を修正
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx","manifest_version": 3,"version": "3.8.12","name": "Seiga Downloader","description": "\u30cb\u30b3\u30cb\u30b3\u9759\u753b\u306e\u4f5c\u54c1\u30da\u30fc\u30b8\u306b\u753b\u50cf\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u7528\u306e\u30ea\u30f3\u30af\u3092\u8ffd\u52a0","icons": {"16": "icons/icon16.png","48": "icons/icon48.png","128": "icons/icon128.png"},"permissions": ["contextMenus","downloads","storage","unlimitedStorage"],"host_permissions": ["*://lohas.nicoseiga.jp/","*://seiga.nicovideo.jp/","https://dcdn.cdn.nimg.jp/","https://deliver.cdn.nicomanga.jp/"],"background": {"service_worker": "background.js"},"content_scripts": [{"css": [ "content_scripts/main.css" ],"matches": [ "*://seiga.nicovideo.jp/*" ],"run_at": "document_start"}, {"js": [ "content_scripts/main.js" ],"matches": [ "*://seiga.nicovideo.jp/*" ]}, {"js": [ "content_scripts/seiga.js" ],"matches": [ "*://seiga.nicovideo.jp/seiga/im*" ],"run_at": "document_start"}, {"js": [ "content_scripts/watch.js" ],"matches": [ "*://seiga.nicovideo.jp/watch/mg*" ],"run_at": "document_start"}],"options_page": "options/index.html","web_accessible_resources": [{"resources": [ "inject.js" ],"matches": [ "*://seiga.nicovideo.jp/*" ]}]}
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How to download and manually install Seiga Downloader extension for Chrome

Looking for a way to install Seiga Downloader extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install Seiga Downloader extensions manually, this article outlines two simple methods to effortlessly install Seiga Downloader extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download Seiga Downloader extension and manually install through Drag &Drop

If you ever need to manually install a Seiga Downloader extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the Seiga Downloader Extension by clicking the "Download CRX" button on the website.

Look for the Seiga Downloader extension you wish to install. Go to the website and download the Seiga Downloader extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Seiga Downloader extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the Seiga Downloader extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download Seiga Downloader extension for Chrome and install in Developer Mode

This is another method to install Seiga Downloader extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the Seiga Downloader extension file

Select and download the Seiga Downloader extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the Seiga Downloader extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your Seiga Downloader extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the Seiga Downloader extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install Seiga Downloader extension in 2 ways. We hope this guide proves helpful.

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User reviews

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黒猫(アズラエル) (ID: 0000007ee6094bdd) Voted 3 ★ - Updated 08/31/2023 2021/10/14からダウンロードする画像の拡張子が.nullになって使えなくなった。 2023/09/01 2020年7月以前のマンガにはダウンロード画像のファイル名の先頭に「s」は付かないがそれ以降のものには「s」が付くようになった。 そして2020年7月以前のマンガを数回ダウンロードしているとダウンロードに失敗して、それ以降しばらくの間「s」付きの低画質の画像がダウンロードされるようになる上に極端にダウンロードに時間がかかるようになる。 20ページ以上は遅すぎて使い物にならない。50ページにもなると30分以上ブラウザがフリーズして他のタブさえ開けなくなるので要注意。

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東方 (ID: 00000051d148cbec) Voted 5 ★ - Updated 06/27/2021 Need update please

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Kimo Sapi (ID: 0000001c71cb29bc) Voted 5 ★ - Updated 09/25/2020 ええやん こっちの設定の成果も知らんけど画像を1枚ずつ保存するのに表示されたウィンドウの保存ボタンをいちいち押さなきゃいけないのが少し面倒かも

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Moelody Mannix (ID: 000000b23496fac2) Voted 4 ★ - Updated 06/26/2020 可以使用,但还不够好。建议参考一下这个作者的插件https://github.com/xuejianxianzun/PixivBatchDownloader