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mangasnap-oneclick-userscript

Packages manga chapters into CBZ or ZIP archives via a browser userscript.

4|Updated May 16, 2026
Search Tags:#archive#download#tampermonkey#manga#browser extension#userscript#cbz
One-click install
npx skills add https://github.com/reason-machines/devtools-skills --skill mangasnap-oneclick-userscript-reason-machines
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mangasnap-oneclick-userscript
Source: https://github.com/reason-machines/devtools-skills/tree/main/skills/mangasnap-oneclick-userscript
Command: npx skills add https://github.com/reason-machines/devtools-skills --skill mangasnap-oneclick-userscript-reason-machines

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Downloading manga chapters page-by-page for offline reading is tedious and error-prone. This Skill guides you through installing, configuring, and troubleshooting a browser userscript that packages entire chapters into CBZ or ZIP archives with one click, entirely client-side. ## Core Features & Use Cases - One-Click Chapter Archiving: Detects chapter boundaries, fetches all pages in parallel, and assembles a properly named CBZ or ZIP archive in the browser. - Configurable Export: Control archive format, download parallelism (1-8 concurrent requests), and filename patterns using template variables like {series}, {chapter}, and {volume}. - Troubleshooting Guidance: Resolve missing buttons, incomplete archives, memory crashes on long chapters, and incorrect file names. - Use Case: You want to back up a manga series before it is delisted. Install the userscript in Tampermonkey, set a custom naming pattern like '{series}Ch{chapter}[ARCHIVE].cbz', and archive each chapter with a single click for reading on an e-reader. ## Quick Start Install the MangaSnap OneClick userscript in Tampermonkey and show me how to configure it to download the current manga chapter as a CBZ file with series-first naming.

Frequently Asked Questions about mangasnap-oneclick-userscript

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I download manga chapters as CBZ files in the browser?▼

Install a userscript manager like Tampermonkey, then install the MangaSnap OneClick script from its installation page. Navigate to a supported chapter page and click the "Package Chapter" button overlay to generate and save a CBZ archive.

How to customize CBZ file naming in a manga downloader userscript?▼

Set window.__LUMINA_CONFIG__ before the script loads with a customPattern using variables like {series}, {chapter}, {volume}, and {year}. For example, '{series}_Chapter_{chapter}_vol_{volume}.cbz' produces descriptive archive names.

Does the manga userscript work on Safari or mobile browsers?▼

Safari 16+ works but requires the Userscripts extension. Mobile support is limited; on Android use Kiwi Browser or Firefox Nightly, which support userscript managers.

Why is my downloaded CBZ archive missing pages?▼

Incomplete archives usually result from lazy-loaded images or too many concurrent requests. Scroll through the entire chapter first to trigger image loading, and reduce parallelism to 2-3 in the configuration object.

Why does the browser tab crash when archiving long manga chapters?▼

Long chapters held in memory can exhaust browser resources. Close other tabs, use a desktop browser, and lower parallelism; if the script version supports it, enable streamingMode to avoid holding all pages in memory.

Does the manga archiver userscript send my data to external servers?▼

No. All processing is client-side with no telemetry or analytics. It uses your existing browser session cookies and does not access passwords or authentication tokens.

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