Local session transfer
Transfers browser sessions locally on macOS between supported Chromium browsers, with ChatGPT Codex as a direct destination when you want to move an authenticated profile into its local database.
Browser Cookie Bridge
Browser Cookie Bridge is a native macOS utility for transferring browser sessions locally between Chromium-based browsers and ChatGPT Codex, with Browserless Cloud available as an explicit optional destination. It is open source, works on macOS 13.5+, and emphasizes visible endpoints and local-first transfers.
What Browser Cookie Bridge does
Browser Cookie Bridge is a native macOS utility for transferring browser sessions locally between Chromium-based browsers and ChatGPT Codex. Its default workflow keeps transfers on the Mac, while Browserless Cloud is available as an explicit alternate destination when the user chooses it.
The app is designed around controlled endpoint selection rather than hidden sync. It shows where data is moving, reports transfer status, and keeps cookie values out of logs. The site also documents a DMG install path for Apple silicon and Intel Macs, plus source and npm-based installation options for users who prefer them.
Core capabilities
Optional cloud destination
Lets you choose Browserless Cloud as a separate destination only when you want a cloud upload, rather than making cloud relay the default path.
Explicit endpoints and status reporting
Shows the source and destination before the run, then surfaces success, partial transfer, blocked states, and endpoint errors in the app and menu bar.
Selective data handling
Moves cookies with supported attributes, and can include history URLs as an optional add-on while leaving passwords, Keychain data, bookmarks, payment data, and autofill untouched.
Safety checks for direct imports
Prevents unsafe writes by requiring Codex to be closed, backing it up first, validating the replacement, and restoring the original if replacement fails.
Native macOS app workflow
Runs as a native macOS utility with menu-bar access, scheduled or on-demand execution, and no need for Node.js or Xcode when using the DMG build.
Typical ways to use it
Local browser-to-browser transfer
Move a signed-in session from one Chromium-based browser profile to another on the same Mac without relying on cloud sync.
Codex session setup
Import an authenticated profile into ChatGPT Codex after closing Codex so the app can back up and replace its local database safely.
Browserless upload workflow
Upload cookies, local storage, and IndexedDB to Browserless Cloud when you explicitly want a cloud destination instead of a local handoff.
Repeatable local workflow
Run transfers on demand, at login, or on a local schedule from the menu-bar helper while keeping the app available after the window closes.
Pros and Cons
Pros
- Keeps local transfers as the default, with cloud upload only when explicitly selected.
- Supports browser-to-browser session transfer on macOS, including a direct path into ChatGPT Codex.
- Surfaces endpoint selection and transfer results clearly, including blocked and partial states.
- Does not access passwords, Keychain data, bookmarks, payment data, or autofill.
- Provides a self-contained macOS app with DMG installation and no Node.js or Xcode requirement for the recommended path.
Cons
- Codex must be completely closed for direct local imports, which adds a step before some transfers.
- The public site does not document every supported browser/profile edge case or all workflow details, so some setup questions remain unanswered from the available pages.
- Browserless Cloud uploads are explicitly manual and not scheduled, so they are not a background sync system.
FAQ
What destinations does it support?
Browser Cookie Bridge can move sessions between supported Chromium-based browsers on macOS, and it can also import into ChatGPT Codex. It can optionally upload an authenticated profile to Browserless Cloud when that destination is explicitly selected.
Do browsers need to be closed first?
For extension-based browser-to-browser transfers, other browsers do not need to be closed. ChatGPT Codex must be completely closed before a direct local merge so the app can back up, validate, and replace Codex's local database safely. Browserless uploads also require the source browser to be closed so a consistent profile copy can be captured.
Does it move passwords or bookmarks?
No. The product states that Chromium browser password stores are not accessible to browser extensions, and it does not access passwords, Keychain items, payment data, bookmarks, or autofill.
What is sent to Browserless Cloud?
When Browserless Cloud is chosen, cookies, local storage, and IndexedDB from the selected profile are sent directly to the chosen Browserless region. History and saved passwords are excluded.
Do I need Node.js or Xcode to use it?
The recommended DMG install does not require Node.js, Xcode, or Terminal. Node.js and Xcode Command Line Tools are only needed for the npm and source installation methods.
Quick Facts
- Category
- Developer Tool
- Platform
- macOS 13.5+; Apple silicon and Intel
- License
- MIT licensed; open source
- Primary workflow
- Local browser session transfer with optional Browserless Cloud upload
- Source domain
- cookiebridge.apoorvdarshan.com
- Install options
- DMG, npm, or source build
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