Universal Tweeks
22 community-made browser modifications that work on any website. Install any of them in one click with the Tweeks extension — no coding required.

Save Image As Type
Hover any image to get a floating toolbar — save as PNG, JPG, or WebP instantly.

Color Picker
Add a color picker using native EyeDropper API with clipboard copy functionality
Quick Define
Highlight a word/short phrase on any website, and after a short pause, you will be shown a context-aware definition

Export any page as Markdown
Copy or download any webpage as clean Markdown (selection or full page) with Readability extraction, GFM tables, code blocks, and YAML front matter
Ask
Highlight any text & click Ask → get an interactive chat prompt

Override Email Mail-to links with Copy to Clipboard
Clicking mail-to links now copies email addresses to clipboard. If the default mail-to experience is needed, a toast notification provides fallback to open mail client. Note: The toast can be disabled with the menu sidebar.

Sticky Table of Contents Generator - Smart ToC Alternative
Creates a sticky, movable, and resizable table of contents on the right side with transparency on hover. Includes minimize/unminimize feature. On code hosting sites (GitHub, GitLab, Codeberg), focuses on README headers only. On other pages, includes all headers.

PDF Dark Mode
One-click dark mode overlay for any PDF — local files, remote URLs, embedded viewers, PDF.js, browser native renderer
News Bias Dial Overlay
Shows a heuristic political-bias dial in the top corner of news pages, estimating whether coverage leans more Democratic or Republican.
Google Search Results Sidebar
Persistent sidebar showing top 5 non-sponsored Google search results that refreshes when search page comes into focus. Works across all sites with minimize/restore functionality.
Universal Price Parser with Interactive Chart
Universal price parser with parameter request dialog, filtering by grade, distance, and interactive chart with improved zoom and scrolling. Loading animation - rotating ring. Hovering over chart points shows percentage from market peak and percentage change from previous price. On price drop lines, shows change percentage compactly directly on the chart without hovering (only if > 5%). Calculator now supports manual price input! Now available for all websites! When searching all grades - separat

Global Thin Gray Scrollbars
Applies thin gray transparent scrollbars across all websites.
Ubicast Player - Add Download Button
Adds a download button to all Ubicast player controls for easy video downloading. Works on all domains with Ubicast players.

Global Microsoft to Microslop Replacer
Replaces visible occurrences of “Microsoft” with “Microslop” across page text and common text-bearing attributes, including dynamic content.
Universal Price List Parser for Catalogs
Universal collection of product data from all pages of any website catalog and download to CSV
Tweeks Auto Topic Sender - Fast & Exact Button
Quickly inserts a randomized message into #talk-topic-content and clicks the 投稿する button (class="btn btn-primary btn-very-lg mb-10").
Universal Hover Fade-Away for Interactive Elements
Makes interactive elements fade away when hovered so they cannot be clicked, then slowly fade back after the pointer has been away for 10 seconds.
Auto Parts Price Rounder (X4.37 / X9.37) + Copy Button
Rounds displayed auto-parts prices to X4.37/X9.37 with a 35.37 minimum, adds a copy button, and auto-clicks search after pasting into supported search fields. Supports *partsnow.com, *partsgiant.com, *nissanpartsdeal.com, *oempartsonline.com, and other auto parts catalogs.
Transparent Infinite Whiteboard
Overlay a transparent infinite whiteboard on any page. Draw freehand (smooth curves), erase whole strokes or parts, add shapes/arrows/text. Pan the canvas for infinite space. Toggle on/off via a floating tab button.
Tab Time Tracker with Untrackable Words
Tracks daily tabs and time per page/site, lets you clear current tracked site data, and provides a textbox for URL words that should never be measured.
Deep Work Strict Focus Overlay
Enforces a persistent Deep Work mode with a full-screen blocking overlay, countdown timer, duration selector, and URL whitelist.
Universal Video Speed 1.75x Default (User Adjustable)
Sets HTML5 videos to 1.75x by default on most video sites, including YouTube, while allowing the player speed controls to change speed afterward. Excludes common music services.