Nhentai Downloader
Install and use a cross-browser extension to export supported NHentai videos as MP4 with explicit quality choice instead of generic HLS or scraper sites.
Overview
NHentai Downloader is an agent skill for the Build phase that documents a multi-browser extension to download supported NHentai videos as MP4 with selectable quality.
Install
npx skills add https://github.com/serpdownloaders/skills --skill nhentai-downloaderWhat is this skill?
- Detects supported NHentai video pages inside Chrome, Firefox, Edge, Opera, and Brave
- Surfaces source-exposed quality options before download
- Exports finished files as standard MP4 for offline playback
- In-page controls, extension popup, and right-click actions
- Routes saves into a dedicated download folder for organization
- Supports Chrome, Firefox, Edge, Opera, and Brave
- Exports finished downloads as standard MP4
Adoption & trust: 941 installs on skills.sh; 2 GitHub stars; 2/3 security scanners passed (skills.sh audits).
What problem does it solve?
You need supported NHentai videos as playable MP4 files without generic downloader sites, manual HLS handling, or digging through player internals.
Who is it for?
Solo builders or researchers who want a browser-native MP4 export path with explicit quality selection across major Chromium and Firefox browsers.
Skip if: Teams under strict content or compliance policies, users who need server-side batch pipelines, or anyone without permission to copy the underlying media.
When should I use this skill?
User wants supported NHentai videos saved as MP4 from the browser with quality selection and extension popup or context-menu controls.
What do I get? / Deliverables
After following the skill, you install the extension, pick an exposed quality on a supported page, and get organized MP4 files via in-page, popup, or context-menu actions.
- Local MP4 files from supported pages
- Quality-selected exports in a dedicated download folder
Recommended Skills
Journey fit
Canonical shelf is Build → integrations because the skill documents wiring a browser extension into the user’s local download workflow. Subphase integrations fits third-party browser tooling that extends how media is captured from active pages.
How it compares
Use this browser-extension skill instead of ad-hoc HLS CLI extraction when you want one-click MP4 from the active tab.
Common Questions / FAQ
Who is nhentai-downloader for?
It is for indie builders and advanced users who want a documented, cross-browser extension workflow to save supported NHentai videos as MP4 with quality choice—not for writing custom scrapers from scratch.
When should I use nhentai-downloader?
Use it during Build integrations when you are standardizing how agents recommend in-browser media capture, or when a user asks for NHentai MP4 export, quality selection, or Chrome/Firefox/Edge/Opera/Brave extension links.
Is nhentai-downloader safe to install?
Treat it like any third-party extension: review the Security Audits panel on this Prism page, read the GitHub source and release notes, and only install from the official linked distribution before granting browser permissions.
SKILL.md
READMESKILL.md - Nhentai Downloader
# NHentai Video Downloader (Browser Extension) > Download supported NHentai videos as MP4 files from the browser with direct quality selection. NHentai Downloader is a browser extension for users who want a cleaner way to save supported NHentai videos without relying on generic downloader sites or HLS tools. It detects supported video pages in the browser, exposes the available qualities, and exports finished downloads as MP4 for easier playback later. - Download supported NHentai videos directly from the page - Choose from the quality options exposed by the source - Save finished files as standard MP4 - Use in-page controls, popup controls, or right-click actions - Keep downloads organized in a dedicated folder ## Links - :rocket: Get it here: [NHentai Downloader](https://serp.ly/nhentai-downloader) - :new: Latest release: [GitHub Releases](https://github.com/serpapps/nhentai-downloader/releases/latest) - :beetle: Report bugs: [GitHub Issues](https://github.com/serpapps/nhentai-downloader/issues) - :bulb: Request features: [Feature Requests](https://github.com/serpapps/nhentai-downloader/issues) ## Preview  ## Table of Contents - [Why NHentai Downloader](#why-nhentai-downloader) - [Features](#features) - [How It Works](#how-it-works) - [Step-by-Step Tutorial: How to Download Videos from NHentai](#step-by-step-tutorial-how-to-download-videos-from-nhentai) - [Supported Formats](#supported-formats) - [Who It's For](#who-its-for) - [Common Use Cases](#common-use-cases) - [Troubleshooting](#troubleshooting) - [Trial & Access](#trial--access) - [Installation Instructions](#installation-instructions) - [FAQ](#faq) - [Notes](#notes) - [License](#license) - [About NHentai](#about-nhentai) ## Why NHentai Downloader NHentai video pages are built around streaming playback, not straightforward file saving. Generic downloaders often miss the actual media source or create a clumsy workflow for users who just want a usable MP4 copy. NHentai Downloader is designed specifically for supported NHentai pages. It adds a direct browser-based workflow for detecting the media, selecting a quality, and exporting the final video as MP4 without extra tools. ## Features - Video downloads from supported NHentai pages - Quality selection for available stream variants - In-page controls on supported video pages - Popup workflow for starting and managing downloads - Right-click access for a faster saving flow - MP4 output for easier playback and transfer - Automatic saving into a dedicated NHENTAI folder - Cross-browser support for Chrome, Edge, Brave, Opera, Firefox, Whale, and Yandex ## How It Works 1. Install the extension from the latest release. 2. Open NHentai and go to the video page you want to save. 3. Start playback so the extension can detect the media. 4. Open the popup or use the on-page controls. 5. Choose the quality option you want. 6. Start the download and wait for the MP4 export to finish. 7. Save the final file locally. ## Step-by-Step Tutorial: How to Download Videos from NHentai 1. Install NHentai Downloader from the latest GitHub release. 2. Open NHentai and navigate to the video page you want. 3. Let the player load fully and press play. 4. Click the extension button or use the on-page download control. 5. Review the quality options shown by the extension. 6. Choose the version you want and begin the download. 7. Wait for the MP4 file to finish exporting. 8. Open the finished file from your Downloads folder. ## Supported Formats - Input: Supported NHentai videos - Output: MP4 Saved files use MP4 so they are easier to replay on standard media players, move between devices, or archive locally. ## Who It's For - NHentai users who want offline copies of