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For those who want to compare original and translated versions of foreign development documentation and various other documents side-by-side: • View two browser windows at once and scroll them together to compare original and translated text • New "Split Tab Mode" lets you view and sync two pages inside a single browser tab • Split Window preserves your logged-in session, cookies, and browsing context, so sites that previously rejected being reopened in a new window now work • URL sync keeps both windows navigating together when you move to a different page (can be disabled) • Scroll sync lets you manually adjust position anytime if it drifts • Choose between percentage-based default scroll mode and element-based (XPath) sync scroll mode, with improved alignment accuracy on pages of different heights • If sync disconnects while doing other work, the Reconnect button restores the link • Hide the control window, or end sync entirely via the × button • Split Tab Mode now has an Exit button to leave split view while staying on the current URL • Split Tab Mode now works on many sites that previously blocked iframe embedding through X-Frame-Options or CSP headers. Some sites (Google Drive, Gmail, Figma, and others using JavaScript-based frame protection) still restrict embedding in ways the extension cannot bypass
BookmarkHub - sync bookmarks
BookmarkHub is an open-source bookmark management solution designed for developers and privacy-conscious users. We don’t store your bookmark data; instead, we empower you to sync your bookmarks across platforms using your own trusted storage services with end-to-end encryption. Key Features: 🌍 Universal Sync: One setup to sync across Chrome, Edge, Firefox, and more. 🔒 Privacy First: Built-in AES-GCM end-to-end encryption. Your bookmarks remain your secret, unreadable even by storage providers. 🛠️ Massive Storage Integration: # Developers: GitHub, Gitee, GitLab, GitHub Gist # Cloud Drive: Google Drive, OneDrive, S3 Compatible (AWS, R2, MinIO) # Protocol: WebDAV (Nextcloud, OwnCloud, Synology, etc.) ⏳ Bookmark Time Machine: Accidentally deleted a folder? Restore your bookmarks to any previous state with Git-powered version history. ⚡ Smart Conflict Resolution: Advanced merging algorithms ensure data consistency across multiple devices without losing your changes. Why BookmarkHub? ✅ Privacy First: No registration required, We don't collect, store, or transmit any personal information or bookmark data. Period. ✅ Clean & Fast: No ads, no tracking. A premium, minimalist UI that stays out of your way. ✅ Built for Pros: Automatic background sync, customizable conflict strategies, and delete-protection thresholds. ✅ Cross-Browser Consistency: Seamlessly sync between Chrome, Edge, Firefox,Brave, and other Chromium-based browsers. ✅ Smart Conflict Resolution: Uses advanced algorithms to automatically merge local and cloud changes, ensuring no data loss. ✅ History Tracking: Bookmarks are stored as JSON in your Git repo, allowing you to roll back or view change logs anytime.
TwinScroll: Sync Scrolling for Side-by-Side Tabs
Stop scrolling twice. Sync, compare, and translate two tabs side by side. Stop scrolling the same page twice. TwinScroll helps you read, compare, and translate two web pages side by side without constantly losing your place. Open a paired tab, place both pages next to each other, and scroll them together while you work. It is built for people who read long pages, compare similar pages, review translations, test web content, or use technical documentation every day. Previously known as Simultaneous Scrolling, TwinScroll is the same extension with a clearer name. The new name better reflects what the extension does: sync two tabs so you can read, compare, and translate side by side. • Save time when comparing two pages No more switching back and forth or manually dragging both scrollbars. TwinScroll keeps your paired tabs moving together. • Read original and translated pages side by side Keep the original page on one side and a translated version on the other. This is useful for technical documentation, articles, tutorials, API references, and research. • Choose the right scroll mode for the job Pixel mode mirrors the scroll position directly. Smart mode follows matching content on the same page, which helps when one side becomes longer because of translation or layout differences. • Compare different but related URLs Turn URL Sync off when you want to compare two different pages, versions, documents, specs, or test environments side by side. • Keep paired tabs together when browsing With URL Sync on, navigating in one paired tab can move the other tab to the same page, so both sides stay connected while you browse. • Use Chrome built-in translation when available On supported Chrome versions, TwinScroll can use Chrome's built-in translation capability so you can read the original and translated page together. • Read English documentation with Korean translation beside it • Compare original and translated articles • Review API references, specs, standards, or tutorials • QA two similar pages or different environments • Check long pages without losing the section you were reading • Compare documentation before and after changes Chrome built-in translation depends on your Chrome version and available language support. Some protected browser pages, Chrome Web Store pages, PDFs, and pages that block extension scripts may not support pairing, translation, or scroll synchronization.
Synchronize Tab Scrolling
Scroll once, sync everywhere. Compare documents, code, or translations side by side with one-click sync. --- Keeping two documents scrolled to the same spot usually means switching back and forth. This extension links your browser tabs so when you scroll in one, all connected tabs follow to the matching position instantly. --- 1. Click the extension icon to open the tab selector 2. Search and select the tabs you want to sync 3. Click "Start Sync" — done When multiple tabs share the same URL, a smart notification offers to sync them with a single click. Key Features • Real-time scroll synchronization across any number of tabs • Command palette with search — find tabs by title or URL, filter by domain • Manual position adjustment — hold Option (Mac) or Alt (Windows) to fine-tune individual tab alignment • Smart auto-sync suggestions when duplicate URLs are detected • URL navigation sync — click a link in one tab and all linked tabs follow • Domain exclusion — permanently block suggestions for specific sites • Auto-reconnection after sleep or interruption, no manual action needed • Full keyboard shortcuts for every action Who Is This For? • Translators comparing original and translated text • Developers reviewing code changes across versions or files • Researchers reading multiple papers side by side • Students comparing lecture notes with reference material • Anyone working with two or more documents at once Pages Where Sync Is Not Available Due to browser security restrictions, scroll sync does not work on certain pages: • Google services (Docs, Drive, Gmail, Sheets, Slides) • Web apps such as Figma, JIRA, Notion, and Microsoft Office Online • Browser internal pages (chrome://, edge://, about:) • Extension stores and search engine result pages • PDF files and viewers • Login and authentication pages • Special URLs (file://, view-source:, data:) Restricted tabs appear disabled in the selection list with a tooltip explaining the limitation. Privacy • No data collection — zero analytics, tracking, or cookies • Works entirely offline with no network requests • No account or sign-up required • Open source: https://github.com/jaem1n207/synchronize-tab-scrolling Available on Chrome, Firefox, Edge, Brave, and all Chromium-based browsers. 9 languages supported: English, Korean, Japanese, French, Spanish, German, Chinese (Simplified and Traditional), Hindi.
Page Auto Refresh
Auto refresh web pages with multiple smart timers Page Auto Refresh is an tool that allows you to refresh the page automatically 🌀 The main features are: 👉 Set up several refresh timers for different pages; 👉 No slowdowns of your device; 👉 Page Auto Refresh is compatible with any website. To avoid unexpected behavior the timers will be cleared if you restart the browser. Page Auto Refresh is easy to use, so you will immediately master and start using it 🔥 Download now and enjoy!
