A Tampermonkey userscript that adds a full-featured lightbox to arena.ai, lmarena.ai, and chat.lmsys.org with original/edited image detection, EXIF metadata, zoom/pan, touch swipe, and batch download.
- Lightbox: Click any image to open it in a full-screen overlay with navigation
- Original/Edited Detection: Analyzes filenames and EXIF data to classify images
- EXIF Metadata: Displays camera make/model, dates, software, and more
- Zoom & Pan: Ctrl+/Ctrl- to zoom, drag to pan, R to rotate
- Touch Support: Swipe left/right on mobile
- Batch Download: Download all images at once with a progress overlay
- Selection Mode: Choose specific images before batch downloading
- Keyboard Shortcuts: Full keyboard navigation (press
Hfor help)
- Install Tampermonkey for your browser
- Open the raw script
- Tampermonkey will prompt you to install — click Install
https://arena.ai/*https://chat.lmsys.org/*https://lmarena.ai/*https://www.lmarena.ai/*
See CHANGELOG.md for version history.