Abstract: A curated list of essential browser extensions for translation, media extraction, scripting, and productivity.

1. Translation & Language Learning

Extension Description
Immersive Translate Full-page bilingual translation with original layout preserved.
TapWord Translator Click or highlight to translate. Shows translations as inline subtitles.

2. Media Extraction

Extension Description
cat-catch Sniff and extract media resources from web pages (m3u8 streams, videos, audio).
IDM Integration Module Intercepts download requests and hands off to IDM for multi-threaded downloading. (Requires IDM installed)
bilibili Downloader Download Bilibili videos and audio tracks.

3. Script Managers

Extension Description
Tampermonkey Userscript manager. Inject and run custom JavaScript on specific web pages.
ScriptCat Enhanced script manager with background automation and scheduled tasks.

4. Browser Utilities

Extension Description
Dark Reader Force dark mode on any website by analyzing and transforming page styles.
SingleFile Save complete web pages (HTML + images + CSS) as a single offline file.
Global Speed Control video/audio playback speed across all sites. Up to 16x speed.
AdBlock Block ads using static filter rules. Hides DOM elements and blocks network requests.
LazyCat Bookmark Cleaner Batch detect and clean broken (404) bookmarks.
Lime Start Page Replace default new tab with a minimalist, customizable start page. Low memory footprint.

5. Gemini Voyager

Enhance your Gemini web experience with these features:

Feature Description
Timeline Quick jump to any point in conversation history.
Folders Organize and categorize chats with native folder UI.
Prompt Library Save and quickly access frequently used prompts.
Quote Reply Select text and reply directly in context.
Width Adjustment Customize chat width to prevent code blocks from wrapping.
Export Export conversations to multiple formats locally.
Watermark Removal Remove watermarks from AI-generated images.
Formula Copy One-click copy formulas as LaTeX or MathML (Word).
Mermaid Diagrams Render Mermaid code as flowcharts, sequence diagrams, Gantt charts.
Tab Title Sync Auto-sync conversation titles to browser tab.
Conversation Branches (Beta) Branch from any point in history to test alternative directions.
Batch Delete Multi-select and bulk delete conversation history.