Automatically/Manually sync cookies between different domains, especially suitable for development and testing environments.
Users
38
+3 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#120K
#100K among extensions
Version
1.2.1
updated 17 Dec 2025
Users
monthly, 17 months
Latest, 16 Oct 2026:38 usersMove the mouse over the chart for any month
Ratings count
monthly, 17 months
Latest, 16 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Cross-domain Cookie Sync
### 🚀 Core Functions
- **Automatic Synchronization**: Monitors cookie changes in real time and automatically synchronizes them to the target domain.
- **Multi-domain support:** Supports configuring synchronization rules from multiple source domains to the target domain.
- **Smart Matching**: Supports subdomain matching and automatic handling of the www prefix.
- **Two-way synchronization:** Supports adding, modifying, and deleting cookies.
- **Import/Export**: Supports import and export with configured rules, facilitating backup and migration.
- **Internationalization Support:** Supports Simplified Chinese, Traditional Chinese, English, and Japanese.
### Configuration Instructions
### Synchronization Rule Configuration
In the extended interface, you can configure the following synchronization rules:
1. **Source Domain**: Change the source domain of the monitored cookie.
2. **Target Domain**: The target domain to which synchronization will take place.
3. **Cookie List**: Specifies the specific cookie names to be synchronized.
### Import/Export Functionality
Extend support for importing and exporting rules:
- **Export Rules**: Export all synchronization rules to a JSON file for easy backup and migration.
- **Import Rules**: Import rule configurations from a JSON file, supporting automatic deduplication and validation.
- **Data Format**: The exported JSON file contains complete rule configuration information, facilitating sharing across different environments.
Growth
Window
Users
Change
Ratings
Rating
7 days
+2
+5.6%
0
0.00
30 days
+3
+8.6%
0
0.00
6 months
+13
+52.0%
0
0.00
1 year
+35
+1166.7%
0
0.00
Chrome Web Store search rankings
Where Cross-domain Cookie Sync appears when people search the store, with the 30 day change