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ExHentai Download Button with Batch Download Support

Adds download buttons (Original, Resample, H@H) to ExHentai/E-Hentai galleries with batch download support. Features progress tracking, error logging, and GP-aware downloading.

How to install

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

How to install

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

Author
dorasir
Daily installs
1
Total installs
158
Ratings
0 0 0
Version
1.3.0
Created
2024-09-28
Updated
2025-07-03
Size
40.5 KB
License
MIT
Applies to

ExHentai Download Button with Batch Support

Download Button Screenshot

A powerful userscript that enhances ExHentai/E-Hentai gallery pages by adding convenient download buttons and batch download functionality.

Features

Individual Downloads

  • Download Original: Download the original high-quality archive
  • Download Resample: Download the resampled (lower quality) archive
  • Download H@H: Queue downloads to your Hentai@Home client

Batch Downloads

  • Checkbox Selection: Select multiple galleries with checkboxes
  • Batch H@H Downloads: Queue multiple galleries to your H@H client at once
  • Progress Tracking: Real-time progress modal with completion percentage
  • Error Logging: Comprehensive error tracking with timestamps and details

User Experience

  • Toast Notifications: Visual feedback for H@H operations
  • Collapsible Panel: Space-efficient batch download controls
  • GP Awareness: Respects ExHentai's Gallery Point system
  • Rate Limiting: Built-in delays to prevent server overload

Installation

Prerequisites

  • Tampermonkey or compatible userscript manager
  • Valid ExHentai/E-Hentai account
  • (Optional) Hentai@Home client for H@H downloads

Install Steps

  1. Install Tampermonkey browser extension
  2. Click this link: Download Button Userscript
  3. Click "Install" on the Greasyfork page to confirm and install the script

Usage

Individual Downloads

  1. Navigate to any ExHentai/E-Hentai search page
  2. Each gallery will show three new buttons:
    • Download Original: Direct download of original archive
    • Download Resample: Direct download of resampled archive
    • Download H@H: Queue to your H@H client

Batch Downloads

  1. Access Panel: Click the "📥 Batch H@H" button in the top-right corner
  2. Select Galleries: Check the "Batch H@H" checkbox for desired galleries
  3. Bulk Selection: Use "Select All" or "Select None" buttons for convenience
  4. Start Download: Click "Download Selected H@H" to begin batch processing

Progress Monitoring

  • Live Progress: Modal shows current gallery being processed
  • Completion Stats: Track successful and failed downloads
  • Error Details: View detailed error logs with timestamps

How It Works

Individual Downloads

  1. Gallery Page Fetch: Retrieves the gallery page HTML
  2. Archive Link Extraction: Locates the archive download popup link
  3. Form Processing: Submits the appropriate download form
  4. Download Initiation: Triggers browser download or H@H queue

Batch Processing

  1. Sequential Processing: Downloads are processed one at a time
  2. Rate Limiting: 800ms delay between requests to avoid rate limiting
  3. Error Handling: Failed downloads are logged with detailed error messages
  4. Progress Feedback: Real-time updates on batch progress

H@H Integration

  • Submits downloads to your configured Hentai@Home client
  • Uses original resolution by default (hathdl_xres=org)
  • Provides toast notifications for queue confirmations
  • Handles H@H-specific error messages

Technical Details

Download Types

  • Original: Full quality archives (consumes more GP)
  • Resample: Compressed archives (consumes less GP)
  • H@H: Queued to Hentai@Home client (no GP cost)

Rate Limiting

  • Individual downloads: No artificial delay
  • Batch downloads: 800ms delay between requests
  • Respects ExHentai's server load recommendations

Error Handling

  • Network timeouts and connection errors
  • Missing archive links on gallery pages
  • H@H form submission failures
  • GP insufficient errors
  • Invalid gallery pages

Browser Compatibility

  • Chrome/Chromium (recommended)
  • Firefox
  • Edge
  • Safari (with Tampermonkey)

Troubleshooting

Common Issues

Downloads not starting

  • Check if you're logged into ExHentai/E-Hentai
  • Verify sufficient GP for Original/Resample downloads
  • Check browser's popup blocker settings

H@H downloads failing

  • Ensure your H@H client is running and configured
  • Check your H@H client's web interface settings
  • Verify you have H@H download privileges

Batch downloads stopping

  • Check the error log in the batch panel
  • Network connectivity issues may cause failures
  • Some galleries may not have archive downloads available

Buttons not appearing

  • Refresh the page
  • Check if Tampermonkey is enabled
  • Verify the script is installed and active

Debug Information

The script includes extensive console logging. Open browser developer tools (F12) and check the Console tab for detailed debug information.

Configuration

Script Settings

Settings are automatically saved and include:

  • Batch panel expanded/collapsed state
  • Error log history
  • Selected gallery preferences

Customization

The script can be modified to:

  • Change default H@H resolution (hathdl_xres parameter)
  • Adjust rate limiting delays
  • Modify toast notification duration
  • Customize button styling

Integration with ExHentai Utilities

This userscript is part of the comprehensive ExHentai Utilities toolkit:

  1. Download Button (this script) → Download galleries from web interface
  2. H@H Watcher → Monitor and process H@H downloads
  3. Smart Sorter → Categorize downloaded archives
  4. LANraragi Checker → Check local library status

Workflow Integration

Browse Gallery → Download (this script) → H@H Client → Monitor & Zip → Sort Archives → LANraragi

Contributing

Bug reports and feature requests are welcome:

License

MIT License - see LICENSE for details.

Disclaimer

  • This script is not affiliated with ExHentai or E-Hentai
  • Users are responsible for complying with site terms of service
  • Respect rate limits and server resources
  • GP costs apply to Original and Resample downloads