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TKTSTO is an outliner with tree-style tabs, bookmarks, and notes all in one Windows, tabs, bookmarks, notes, and more... all mixed together in one place, a highly structured living document that you and your browsers build together to organize your online life. Features: (there are a lot... maybe get a snack and drink before you dive in) - Nested vertical tabs and groups: Like the "vertical tabs" and "tab groups" function in some browsers, but way more powerful. Windows, tabs, bookmarks, and notes are all mixed together in one big outline or "tree" that you can organize however you want. Each item in the tree is a "node". - Handles many many tabs: Easily and reliably handles trees with tens of thousands of nodes. Whether you have 5 tabs or 50,000, this extension can handle it, even on old or slow computers. - Automatic backups: Never lose data again. Saves a snapshot of your entire session on a configurable schedule, in plain text files, so even if your entire browser config gets deleted, you won't lose your session. - Unload tabs to save memory: If you unload a tab, it stays in the tree and functions kind of like a bookmark, using no resources and no space in the tab bar. Then if you open an unloaded tab again later, it goes right back where it was. Tabs unloaded this way are fully unloaded, making them even more lightweight than the "discarded" tabs some other extensions use. - Save and restore entire windows: If you close a window, it stays in the tree as a saved window, complete with all its tabs, bookmarks, notes, etc. Then you can re-open that same window again later, with all the same tabs. - Tab groups: Tabs are grouped automatically into nested structures, and can easily be operated on as a group. Move groups around easily, even between windows. Can also mark multiple groups and do batch operations on all of them at once. - Open new tabs next to current: If you're in the middle of your tab bar and open a new tab, it won't open alllllllll the way over at the right edge, where it could be hundreds of tabs away. Instead it opens immediately to the right of the current tab, automatically grouped as a child of the current tab. - Notes and tasks: Take notes, both short and long notes, right in the tree. Organize your tabs into groups, nested as deep as you like. Add checkboxes to indicate tasks, using a variety of task states, and track progress using todo lists and automatic progress summaries. - Bookmarks: While not as essential when you can just unload a tab and return to it later, bookmarks are still useful sometimes, so bookmarks can be kept in the session tree along with everything else. - Pinned tabs: Move tabs or entire branches into or out of the "Pinned" heading at the top of a window to pin/unpin them. Not as essential with this installed, since tabs remember their positions anyway, but still nice sometimes. - Full keyboard and mouse support: A keyboard is strongly recommended for most tree management workflows, but a mouse is easier for new users, and has a few extras... like drag a branch out of the tree to paste it as Markdown, or drag text into the tree to add notes. - Cross-browser compatibility: Works in nearly all browsers, so you can use whatever browsers you like. For example, close your session in Chrome, then open it in Firefox right where you left off. - "Tree Style Tab" style sidepanel: Displays tabs in a side panel, showing only the tabs and notes in the current window. This is "Window" mode. - "Tabs Outliner" features: Can import your old sessions from Tabs Outliner, for a nearly effortless upgrade. Also, to help ease the transition, it can operate as a full session view in a separate window if desired. - Free and Open-Source: The only way to build software which lasts long-term. - Privacy: The extension is designed to make sure you own your data, and prevent any data from ever leaking to third parties without your consent. - Sync: Coming soon. Synchronize your tree in near real-time between all your browsers, even if they're not the same type of browser. Can use a self-hosted server for maximum privacy, with no data leaking to corporate clouds. This extension is meant for people who need to keep track of many things. You can build your own entire workflows in the "tree", like a personal Kanban of sorts, or a "GTD" / "Getting Things Done" workflow, right in your browser.
Tree Style Tab Manager
Organize Chrome tabs in a tree. Save & restore sessions, drag & drop, instant search, site exclusions, and recover closed tabs. Tree Style Tab Manager — Hierarchical tabs, powerful snapshots, and seamless organization for Chrome. Tree Style Tab Manager transforms Chrome's tab bar into a clean, hierarchical tree in the native side panel. Tabs opened from other tabs automatically nest as children — revealing the natural structure of your browsing. Now with full Snapshot Sessions to save, restore, and manage entire workspaces. ✅ Tree View — Visual parent-child hierarchy with expand/collapse controls ✅ Snapshot Sessions — Save your entire tab workspace and restore it anytime ✅ 3-Zone Drag & Drop — Drop tabs above, into, or below any target with precision ✅ Never Lose Tabs — Closed tabs stay recoverable for up to 7 days (or never expire) ✅ Instant Search — Find any tab by title or URL, filtered live as you type ✅ Multi-Window Restore — Reopen snapshots in new windows with monitor-aware placement ✅ Site Exclusions — Keep specific sites out of the tree ✅ Privacy First — 100% local storage, zero tracking, no external servers 🎯 PERFECT FOR • Researchers juggling articles, references, and rabbit holes • Developers navigating docs, PRs, and localhost tabs • Students organizing study material by topic • Anyone with 20+ tabs who wants to stay sane 📊 Hierarchical Tree View Tabs automatically nest under the tab that opened them. Expand or collapse entire branches. Visual connectors show depth at a glance. 💾 Snapshot Sessions (New) Save your entire open workspace as a named snapshot. Restore later with three modes: replace current tabs, open in new windows, or merge with what's open. Undo a restore instantly. Monitor-aware window placement puts each window back where it belongs. Overwrite a snapshot with your current tabs or rename it anytime. 🚫 Site Exclusions (New) Keep your tree clean by excluding specific domains. Excluded sites won't appear in the tree at all — perfect for localhost, internal tools, or any high-frequency site you don't want cluttering your hierarchy. 🗂️ Save & Close Save a session and close all its tabs in one action — great for winding down a research session without losing your work. 🔄 Precision Drag & Drop (Upgraded) Three-zone dropping: hover the top edge to insert before, the middle to nest as a child, or the bottom edge to insert after. A dedicated drag handle prevents accidental drags. Auto-scroll kicks in when dragging near the panel edges. 🔍 Instant Search Live filtering by title or URL — the tree updates as you type, smoothly and without lag. ⏱️ Smart Virtual Tabs Closed tabs remain visible and restorable. Set the expiry window from 12 hours to 7 days — or choose Never Expire. Clock badges show time remaining at a glance. 🎨 Themes & Accessibility Multiple themes with fully consistent highlight and hover colors. Full keyboard accessibility with aria-live toasts, labeled icon buttons, and accessible theme swatches. 🔒 Complete Privacy All data lives on your device. No analytics, no cloud sync, no external servers. Data is deleted on uninstall. • Click the extension icon to open the side panel • Your tabs appear as a live tree — new tabs nest under their opener automatically • Save your workspace as a named snapshot anytime • Search, drag, reorganize, or collapse branches as needed • Restore any snapshot later — full workspace, one click Tree Style Tab Manager gives your browser the structure your workflow deserves. Install it and never lose a tab — or a session — again.
Surflow Tab Manager: Tree View and Tags
Surflow is a tab manager that allows you to manage your tabs in a tree view and tags. 🌀 Surflow Tab Manager, with Tree View and Tags Surflow is a sidebar tab manager that replaces rigid browser tab groups with flexible tagging - designed to adapt to your workflow, not the other way around. 🔖 Tag-Based Organization • 🏷️ Assign multiple tags to any tab • 😀 Emoji support for quick visual cues • 🔄 No single-category limits — one tab, many tags 🗂️ Full Tab Control • ✏️ Rename tabs for clarity • 🧩 Tag, pin, edit, sleep, close - all in one place • 📦 Batch operations across tabs • 🖱️ Drag-and-drop to organize easily 🔍 Efficient Search & Discovery • 🔎 Quick-access search bar for tabs/tags • 🎨 Filter tags by name, color, or date • 🌐 Built-in search engines: Google, Bing, more • ⚡ Fast tab discovery and switching 🧘 Minimal, Functional Design • 📐 Compact, distraction-free UI • 🌓 Light and dark themes • 🚀 Built for speed and usability 🛠️ Power Features for Advanced Users • 🐞 Feedback and bug reporting built-in • 🧪 Early access to new tools (optional) 👥 Who It’s For Developers, researchers, students - anyone juggling more than a handful of tabs.
Chrome Vertical Tabs
Use Chrome Vertical Tabs to take control of browsing with side tabs creating structured group tabs in a clean vertical tab view Transform your browsing experience with a powerful Chrome Vertical Tabs solution designed to improve focus during deep work, speed up navigation between pages, and give you full control over website organization. This advanced vertical tabs chrome extension converts traditional horizontal websites into a clean, structured sidebar, helping you focus and manage dozens of pages effortlessly ✨ With google chrome vertical tabs, you get a modern browsing experience where every vertical tab is easy to find, switch, and organize. 📋Whether you are researching, multitasking, or working with multiple projects, vertical tabs for chrome give you a clear advantage. The extension provides progressive functionality that transforms the website list into a vertical layout 🌐 You can fully change pages from horizontal to vertical and enjoy a streamlined interface built for productivity. Users can finally escape the limitations of crowded horizontal layouts and work more efficiently every day. This extension helps you reduce visual noise and makes navigation effortless. Key benefits of using chrome tabs vertical: - Faster navigation between pages - Clear overview of all open pages - Reduced clutter in the top bar - Improved focus and workflow This extension includes a powerful site search feature 🔍 Quickly find any page using browser search, even if you have dozens or hundreds open. Long titles are no longer cut off, and every site remains accessible at a glance. The intuitive extension structure ensures that even large sites collections remain manageable. Core features include: 1. Instant domain search with smart filtering 2. Drag and drop domains 3. Pin and prioritize important pages 4. Compact site list for better visibility 5. Smooth navigation with site switcher extension 6. Improve website organization across sessions 7. Better multitasking experience The built-in url manager functionality makes it easy to manage pages in browser without losing track of your work. This is more than just a visual upgrade, it is a complete website organizer system. The extension includes a powerful search system. Advanced tab grouping allows you to structure your browsing: ➤ Create and manage page domains ➤ Use site groups for projects ➤ Collapse and expand groups instantly ➤ Organize tabs in chrome by category For users who love structured workflows, this acts as a full browser page manager with features similar to a professional tab session manager. 1️⃣ Save and restore sessions 2️⃣ Use simple site groups for workflows 3️⃣ Track your sites list efficiently 4️⃣ Manage multiple site workspace setups 5️⃣ Switch contexts instantly The extension integrates seamlessly into the side panel in chrome, creating a clean chrome sidebar that feels native and intuitive. With vertical tabs in side panel, you always have access to your sites without interrupting your browsing. The extension integrates directly into the side panel in browser, creating a native-like sidebar experience. Organize your browser like a pro. Experience a smarter layout with: ❯ browser side pages for better visibility ❯ sidebar extension with minimal design ❯ chrome move tabs to side instantly ❯ websites in sidebar for multitasking ❯ chrome extension sidebar with full control ❯ Seamless sidebar extension experience Unlike basic tools, this vertical tab chrome solution is optimized for performance and usability. It works smoothly even with large url volumes, acting as a reliable chrome tab manager. If you have ever struggled with how to navigate sites in browser, this extension solves it with a clear vertical tabulation system that makes switching intuitive. ▸ Advanced chrome group pages visualization ▸ Smart tab organizer with grouping logic ▸ Flexible page sidebar layout ▸ Customizable extension side panel Users may refer to this layout as vertical tabs google chrome solutions, but the result remains the same — a more organized browsing environment, stronger control over open pages, and a faster, smoother workflow when managing multiple pages. This tool is perfect for professionals, students, marketers, and developers who need efficient tab management. It combines the functionality of a site organizer with the efficiency of a site manager, bringing everything together in a seamless experience powered by a structured vertical tabulator system. If you are looking for chrome vertical tabs that truly improve your daily browsing, this is the ultimate solution. Experience modern sites organization, powerful search, and clean design — all in one extension.
Treedent - Tab Manager
Treedent transforms tab chaos into clarity, using intuitive tree-structured navigation designed for focus and flow. Treedent is a privacy-friendly tree-style tab manager for Google Chrome. It transforms overwhelming tab chaos into a structured, collapsible tree. Tabs opened from a page stay linked as children, so browsing sessions keep their context. Whether you work with research-heavy workflows, many windows, or long-running sessions, Treedent helps you stay organized and keep control. Treedent v2 introduces a rebuilt runtime focused on reliability: session state is managed authoritatively in the background, with deterministic persistence and restoration. ▪ Authoritative Session Runtime (v2) Treedent now uses a background-owned source of truth for session and tree state, improving consistency and reducing drift. ▪ Tree-Style Sidebar View tabs and folders in a nested hierarchy and collapse branches to reduce noise. ▪ Drag-and-Drop Reordering and Nesting Move tabs or whole branches exactly where you need them in the tree. ▪ Search, Multi-Select, and Bulk Actions Find items quickly and apply actions across multiple tabs at once. ▪ Snapshot History and Restore Capture workspace snapshots and restore full sessions or individual snapshot windows. ▪ Deterministic Startup Recovery Treedent applies explicit restore rules for restart/crash scenarios and avoids accidental session overwrite. ▪ Tab and Branch Operations Activate, pin/unpin, duplicate, refresh, mute, discard, close, copy link, and run branch-level actions. ▪ Window Workflows Move selected items to new/existing windows and import trees from other windows. ▪ In-Page Sidebar Mode Use Treedent in Chrome side panel mode or in-page injected mode with configurable position, width, and behavior. ▪ Deep Focus and Auto-Collapse Focus on one branch at a time and reduce unrelated tree noise during tab switching. ▪ Options, Logs, and Debugging Configure behavior, language, and styling, and inspect logs/snapshot/runtime diagnostics directly in the extension UI. ▪ Flexible Theming and Styling Use built-in themes, live preview, and advanced style settings including custom theme workflows. ▪ Privacy-First Design No hidden telemetry. Your tab/session data stays local in your browser. • Optional Cloud Sync Sync trees, workspaces, and settings across devices (planned, opt-in). • Collaboration Features Shared workflows and multi-user session capabilities are planned for future releases. • Fixed child tabs created from the sidebar appearing outside mirrored Chrome tab groups. • New child tabs now join the correct browser tab group immediately when tab group sync is enabled. • Improved create-tab synchronization reliability between Treedent’s tree model and Chrome tabs. ---------------------------------------------------- Version 2.1.0 • Tab groups, faster sidebar workflows, and localization updates ---------------------------------------------------- Description: This release adds browser tab group support and new sidebar controls, improves activation and sync responsiveness, and expands localization and options UX polish. --- Features --- • Added browser tab group support with refined tab-group mirroring behavior. • Added sidebar toolbar overflow controls for quicker access to advanced actions. • Added URL-based sidebar search for faster tab discovery. • Added sidebar toggles for restore placeholders and automatic inactive-tab discard. • Added visible restore-placeholder markers in sidebar tab rows. --- Improvements --- • Improved tab activation and sidebar refresh latency for a more responsive workflow. • Improved deep-focus branch placement preservation during browser sync. • Improved startup active-session persistence reliability. • Improved options widget layout and section readability. • Improved locale coverage by packaging and translating newly added messages. --- Bug Fixes --- • Fixed sidebar double-click rename handling. • Fixed interaction issues by removing delayed handle-click activation behavior. • Fixed Belarusian locale message wording for newly added settings/status labels. • Fixed pages CTA browser-label replacement scope to avoid unintended substitutions. • Changed default behavior: restore placeholders are now disabled by default (`useRestorePlaceholders=false`). ---------------------------------------------------- Version 2.0.3 • Runtime recovery and diagnostics improvements ---------------------------------------------------- Description: This update improves runtime reliability by adding automatic recovery paths and expands diagnostics for scheduled auto-discard and startup restore behavior. --- Features --- • Added scheduled auto-discard diagnostics with richer runtime events and troubleshooting details. • Added options/debugging visibility for auto-discard scheduler state and recent scan outcomes. • Added automatic resolution for stale pending startup-restore decisions by restoring and preserving unmatched browser tabs. --- Improvements --- • Improved session-change broadcasting with attached refreshed read-model state for more reliable sidebar updates. • Improved startup restore policy handling by normalizing legacy ask-style policy to restore-and-keep behavior. --- Bug Fixes --- • Fixed replay-failure handling to clear invalid journal entries and recover with a ready snapshot state instead of remaining degraded. • Fixed startup restore edge cases so meaningful existing browser tabs are preserved during automatic restore flows. • Fixed diagnostic persistence and synchronization edge cases around scheduled auto-discard state reporting. ---------------------------------------------------- Version 2.0.2 • Sidebar shortcut parity and placement stability updates ---------------------------------------------------- Description: This update restores a v1 sidebar shortcut in v2 and improves tab placement and synchronization reliability during restore and runtime reconciliation. --- Features --- • Reintroduced sidebar double-click shortcuts from v1 to quickly create tabs and folders in v2. --- Bug Fixes --- • Fixed shift-click behavior to close the intended tab branch from the sidebar. • Fixed blocked browser sync coalescing to avoid missed or delayed synchronization runs. • Fixed closed-tab restoration placement to keep restored tabs in the expected tree location. ---------------------------------------------------- Version 2.0.1 • Drag-and-drop and child-tab ordering fixes ---------------------------------------------------- Description: This patch improves tree editing consistency by fixing edge cases in multi-item drag-and-drop and child-tab placement order. --- Bug Fixes --- • Fixed an issue where moving multiple selected items as one drag block could behave incorrectly. • Fixed browser ordering for newly created child tabs so placement is consistent with tree expectations. ---------------------------------------------------- Version 2.0.0 • Treedent v2 and authoritative session runtime ---------------------------------------------------- Description: This major release introduces the v2 architecture with background-owned authoritative session state, deterministic restoration, and a rebuilt options and diagnostics surface. --- Features --- • Added authoritative background runtime ownership for session state and tree updates. • Added deterministic startup restore flow with pending-restore confirmation when existing browser sessions are detected. • Added full snapshot history controls for restoring complete snapshots or individual windows. • Added in-page sidebar presentation mode with configurable position, width, overlay/page-space behavior, auto-collapse, and trigger area. • Added expanded options tabs for Features, Styling, Language, Logs, Snapshots, and Debugging. --- Improvements --- • Improved persistence reliability by combining periodic snapshots with debounced snapshot writes and bounded retention. • Improved recovery visibility with richer debug state, journal status, and restore diagnostics. • Improved branch and multi-selection workflows for close, discard, move, import, pin, and reorder actions. • Improved customization with advanced style tokens, saved custom themes, and theme import/export. • Improved startup/session consistency by enforcing restore precedence and sync blocking during restore-sensitive phases. --- Bug Fixes --- • Fixed multiple restore and reconciliation edge cases that could flatten or drift tree structure during startup transitions. • Fixed persistence replay fallback behavior when journal entries cannot be safely applied. • Fixed assorted sidebar and runtime stability issues across drag-drop, command dispatch, and state refresh flows.