Session & Local Storage Copier by Yahor
Copy sessionStorage & localStorage across different browsers and profiles via system clipboard
Extension Metadata
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About this extension
Session & Local Storage Copier lets you copy the entire sessionStorage or localStorage from any web page and paste it into another tab — even in a completely different browser or user profile.
How It Works:
The extension uses the system clipboard as the transport layer. This means data is not locked inside a single browser — you can copy storage in Chrome and paste it in Firefox, or move it between separate browser profiles.
Key Features:
- Cross-browser transfer — copy in one browser, paste in another
- Cross-profile transfer — move session state between different browser profiles
- Supports both sessionStorage and localStorage
- Data validation — clipboard content is verified before restoring
- No external servers — everything stays on your machine
Use Cases:
- Transfer login sessions between dev and staging environments
- Move application state across browser profiles during testing
- Share session data between team members (copy, send via chat, paste)
- Quick backup and restore of localStorage during debugging
How It Works:
The extension uses the system clipboard as the transport layer. This means data is not locked inside a single browser — you can copy storage in Chrome and paste it in Firefox, or move it between separate browser profiles.
- Open the page you want to copy storage from
- Click the extension icon, then press Copy (for sessionStorage or localStorage)
- Switch to the target tab, page, browser, or profile
- Click the extension icon, then press Paste
Key Features:
- Cross-browser transfer — copy in one browser, paste in another
- Cross-profile transfer — move session state between different browser profiles
- Supports both sessionStorage and localStorage
- Data validation — clipboard content is verified before restoring
- No external servers — everything stays on your machine
Use Cases:
- Transfer login sessions between dev and staging environments
- Move application state across browser profiles during testing
- Share session data between team members (copy, send via chat, paste)
- Quick backup and restore of localStorage during debugging
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Permissions and data
Required permissions:
- Get data from the clipboard
- Input data to the clipboard
- Access browser tabs
Optional permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 12.52 KB
- Last updated
- 10 days ago (May 7, 2026)
- Related Categories
- License
- MIT License
- Version History
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