REMAS is the ultimate power-user utility for managing Chrome extension chaos. Whether you are migrating across machines, merging work and personal profiles, or rescuing "lost" extensions from a backup, REMAS automates the entire lifecycle of extension management.
Managing 100+ extensions across different profiles is usually a manual nightmare. REMAS turns this into a 10-second automated process:
- π Deep Scan: The engine dives into your raw Chrome data, bypassing cryptic 32-character folder names (IDs).
- π Structure Flattening: It extracts the active source code from nested version sub-folders and brings them to the surface.
- βοΈ Version Auditing: If an extension exists in both sources, REMAS compares the version strings (e.g.,
v2.4.1vsv2.4.0) and only keeps the latest one. - π· Human-Readable Renaming: It reads the internal
manifest.json(and locale files) to rename folders from gibberish to their actual names (e.g.,ghbmn...becomesVolume Master). - π₯ Dashboard Generation: It builds a custom Extensions.html "Launchpad" for one-click recovery, store-searching and sideloading.
If you have 100+ extensions, you know the pain of "Profile Drift."
- β‘οΈ Profile Merging: Finally combine your curated list of extensions from your Work Laptop and Home PC into one master profile.
- π‘ Rescue "Deleted" Tools: If an extension is removed from the Web Store, you canβt get it backβunless you have the raw source. REMAS saves that source code permanently.
- π Manifest V2 Continuity: For users who rely on legacy MV2 tools (like specific ad-blockers or scrapers), REMAS provides the "Load Unpacked" path to keep them running in Chrome 144 and Latest.
- π Clean Audit: Stop wondering which profile has the newest version. REMAS identifies the winner for you.
- Single Source: Place your backup folder on your desktop and rename it to Extensions_1. Ensure the folder contain the raw ID folders (e.g.,
pkedc...,ghbko...) directly. - Dual-Source Merge: If you want to merge two different profiles (e.g., your Work PC and Home PC), similarly place the second backup folder and rename it to Extensions_2.
- Intelligent Fallback: REMAS features an automated "All-or-Nothing" logic. If Extensions_1 is not detected on your desktop, the engine assumes you are auditing your current machine and will skip the desktop search entirely. It will instead fallback to your live Chrome system directory:
...\AppData\Local\Google\Chrome\User Data\Default\Extensions
Note: In the generated Extensions.html dashboard, Source 1 will represent your primary desktop backup (if found) or your Default Chrome Profile (in Fallback Mode).
β οΈ POWER-USER TIP: If you are auditing your Current Chrome Extensions (Live Default Folder), please Close Chrome completely before running the engine. This prevents "File-In-Use" errors and ensures the audit can access your live extension manifest data without being blocked by the browser.
Open the REMAS script in Notepad (or any text editor) and change the $user variable to match your Windows user folder name.
- Example: If your Windows user folder is
C:\Users\JohnDoe, change the line to:$user = "JohnDoe". - Once edited, Select All (Ctrl+A) and Copy (Ctrl+C) the entire script.
Open PowerShell as Administrator, paste the entire copied script, and hit Enter. The engine will immediately begin auditing your folders and will generate the Chrome Extensions - REMAS folder on your desktop.
Google blocks legacy extensions by default. Use these to stay in control:
Why is this required? Google has officially deprecated Manifest V2 extensions in Chrome 144+. Without these bypasses, Chrome will automatically disable your recovered legacy extensions and block you from re-enabling them. Implementing either (or both) of these ensures you stay in control of your software:
- Option A: Registry Fix (Recommended - Best for "Set & Forget"):
This is the most reliable method. It applies a system-wide policy so your extensions work no matter how you launch Chrome.
# Forces Chrome to allow Manifest V2 support $path = "HKLM:\SOFTWARE\Policies\Google\Chrome" if (!(Test-Path $path)) { New-Item -Path $path -Force } New-ItemProperty -Path $path -Name "ExtensionManifestV2Availability" -Value 2 -PropertyType DWORD -Force
- Option B: Shortcut Target Fix (Best for non-Admin users):
Use this if you cannot edit the Registry. It enables the Legacy feature directly in the browser engine.
Add this to the end of your Chrome shortcut Target field (after the quotes):
--enable-features=AllowLegacyMV2Extensions
Note: For the most stable experience in 2026, implementing both is highly recommended to bypass both policy checks and engine-level blocks simultaneously.
The Registry Fix is the superior, "Set and Forget" option.
- The Winner (Registry): It applies a system-wide policy. Once you run the PowerShell command, your extensions stay active no matter how you launch Chrome (Taskbar, Start Menu, or clicking a link in another app).
- The Runner-Up (Shortcut): This only works if you launch Chrome specifically from that modified icon. If Chrome is opened by another program, the bypass won't load.
- No, but they work better together. Using the Registry Fix ensures the policy allows the extension to exist, while the Shortcut Parameter tells the Chrome engine to ignore the "Unsupported" warnings.
Open the generated Extensions.html in Chrome to begin restoring your setup:
- Option A (Direct Store Access):
- Click View in Store to jump directly to the official extension page using its unique ID.
- If the ID link is dead (404), click Search in Store to find the latest version or a replacement by name.
- Option B (Sideloading): For removed or legacy extensions, click the Extension Name to open its local folder, then Drag & Drop that folder into
chrome://extensions(ensure Developer Mode is ON).
π‘ POWER-USER TIP: If your browser security blocks the folder from opening automatically when you click the name, don't sweat it! Just manually open the Chrome Extensions - REMAS folder on your desktop. From there, you can manually drag and load all your unavailable or older Manifest V2 extensions to bypass Google's restrictions like a boss.
"The Precision Update"
- β¨ New! 3-Label Badge System: Every extension now displays:
Source Count(One Source vs Both Sources).Winner Origin(Source 1 vs Source 2 - identifying which file was kept).Version Badge(Live version number audit).
- π Smart Search Logic: Fixed the
/search/URL structure to find re-uploaded or rebranded extensions in the Store. - π Optimized Header: Added a real-time Audit Summary showing exactly how many duplicates were purged from each source.
- π Folder Collision Fix: Added the
_dlogic. If two different extensions have the same name, REMAS now saves both instead of overwriting. - π Localized Recovery: Improved "Deep Scan" for localized apps (Fixes the
__MSG_naming bug). - π’ Sequential Numbering: Added list numbering to the HTML for easier "check-listing" during bulk installs.
"The Precision Audit Update"
- π§ Intelligent Folder Logic: New "All-or-Nothing" fallback system. If
Extensions_1is missing on Desktop, the engine skips the desktop search to prevent errors and targets your live Chrome System Path. - π Single-Source Mode: The engine now intelligently toggles to a dedicated "Single-Source" mode during live fallbacks. This ensures a clean audit of your current active profile.
- π― View in Store Button: Added a direct ID-based link next to every extension. Users can now jump directly to the specific official app page on the Chrome Web Store.
- βοΈ Dual-Action Strategy: Every entry now features both View and Search buttons. This "Dual-Store" approach ensures that even if an Extension ID is nuked (404), the name-based search fallback will find the replacement.
- π Header Branding: Updated the dashboard with a Rocket icon and version badge. Added a direct, styled link to the official GitHub/REMAS repository.
- π€ Audit Highlighting: The header now explicitly displays the Windows Username and Total Extension Count in Bold Red to provide instant visual confirmation of the audit scope.
Note: This is how your
Extensions.htmlwill look after the REMAS Engine finishes its audit. Every extension is numbered, categorized by source, and includes a direct search link.
