Download DLsite product thumbnails in .webp or .jpg
## DLsite Thumbnails Downloader
This userscript allows you to download the main image and sample thumbnails
from DLsite product pages in `.webp` or converted `.jpg` format.
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### Features
- Download original `.webp` images
- Convert and download as `.jpg` (70% quality, approx. 2× file size)
- Fixed 2-button UI at top-left corner
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### How to Use
1. Install the script using Tampermonkey
2. Visit any DLsite product page (`RJ******`)
3. Click one of the top-left buttons to download in the desired format
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### Notes
- `.jpg` conversion uses the browser’s Canvas API during download
- GreasyFork release version: v0.1.1 (2025-08-05)
