nico downloader

ニコニコからの動画保存をサポートする他、ニコニコを便利に使うための非公式の拡張機能です。

Nico Downloader - ニコニコ動画保存拡張機能

"Nico Downloader" is a Chrome extension that facilitates the saving of videos from ニコニコ動画. It automatically creates download links for videos directly on the page, enhancing usability and streamlining the process. The extension also offers additional functionalities for related ニコニコ services, making for a more convenient experience. Users can easily configure settings and report bugs through dedicated links, ensuring an efficient video management solution.

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Extension stats

By: __＿＿__

Users: 90,000+

Rating: 4.34

(126)

2 new ratings

Version: 5.0.0.18 (Last updated: 2025-02-24)

Creation date: 2021-03-25

Permissions:

storage

Size: 8.94M

Email: al*****@gmail.com

Full description: See detailed description

Ranking

# 2,619 ▲ 80

Other rankings

#3835 in Accessibility ▲ 159

Other platforms

Not available on Android

Not available on Firefox

Not available on Edge

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.

Pros

User-friendly for downloading videos from Nico Nico Douga
Quick response to changes or issues by the developer
Ability to save additional metadata such as title, username, and upload time
Simple renaming options for downloaded files
Works well after troubleshooting and installation procedures

Cons

Inconsistency with displaying download links for some videos
Frequent issues after updates to Nico Nico Douga's platform
Problems completing downloads, especially for longer videos
Some users report not being able to find downloaded files
Download functionality not available for certain video IDs

Most mentioned

Download links are not displaying for certain videos
Issues with download progress freezing at certain stages
Developer's quick responsiveness to bug fixes
Problems with downloading videos since platform updates
Ability to save metadata along with video files

User reviews

最近のレビュー通りにやってみたけど、やっぱりDLできない。というか、DL用のリンクが表示されない。これは、DLしようとしてるのが対象外の動画だってことかな。

Takaomi Suzuki, 2025-03-03

DL出来ない人は入れ直してから初期設定モードをONにして保存してから OFFにして保存してみてこれでいけた

metacrab (メタクラブ), 2025-03-02

対応ありがとうございます自分の場合も旧バージョンからのアップデートだと (処理中) 表示で止まったままになったので　一旦アドオン削除してから新バージョンを追加したら　正常に(保存完了)できるようになりました

himeko, 2025-02-26

View all user reviews

Extension safety

Risk impact

nico downloader requires very minimum permissions.

Risk impact analysis details

High Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
Low ******* ****** ** *** ********* ********

Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of nico downloader. Use it at your own risk.

Risk likelihood analysis details

High This extension was recently updated in the past month. New updates may not be stable or safe.
High **** ********* *** *** **** ****** ********* ********** *** *** ** ****** ** *****
Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
Good **** ********* *** **** **** *******

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