Cookie Checker
Extract and validate Roblox cookies from all your instances across connected devices. Perfect for verifying which accounts are logged in and generating fresh cookie files.
What It Does
- Scans all Roblox instances across your devices
- Extracts cookies from logged-in accounts
- Validates cookies to ensure they’re working
- Shows account information (username, user ID)
- Saves valid cookies to a file for future use
How to Use
Step 1: Start Cookie Check
- Open Zerx and select “Cookie Checker”
- Wait for device scanning - automatically detects all devices and Roblox instances
Step 2: Choose Check Mode
Check All Instances:
- Scans every Roblox instance on all devices
- Best for complete overview
Check Specific Device:
- Focus on instances from one device only
- Good for troubleshooting specific devices
Check Single Instance:
- Test one specific Roblox app
- Perfect for targeted verification
Step 3: Review Results
The checker shows detailed results for each device:
Valid Cookies:
- ✅ Username and User ID displayed
- Cookie extracted and validated
- Ready for use with other features
Invalid/Missing Cookies:
- ❌ Error description (no cookie found, expired, etc.)
- Account needs login or refresh
Results and Output
Account Information
For each valid cookie found:
- Device name and model
- Instance type (client, clone1, clone2, etc.)
- Username of logged-in account
- User ID for verification
- Cookie validation status
Automatic File Generation
Valid cookies are automatically saved to:
- Filename:
cookies_[timestamp].txt
- Location:
output/
folder - Format: One cookie per line
File contents:
_|WARNING:-DO-NOT-SHARE-THIS.--Sharing-this-will-allow-someone-to-log-in-as-you-and-to-steal-your-ROBUX-and-items.|_ABCD1234...
_|WARNING:-DO-NOT-SHARE-THIS.--Sharing-this-will-allow-someone-to-log-in-as-you-and-to-steal-your-ROBUX-and-items.|_EFGH5678...
Troubleshooting
No Cookies Found
Cause: Instances haven’t been logged in Solution:
- Log into Roblox apps manually first
- Run instances once to create cookie directories
- Try cookie check again
Permission Errors
Cause: Device doesn’t have root access Solution:
- Enable root access on devices
- Check ADB debugging is enabled
- Restart devices if needed
Invalid Cookies
Cause: Cookies expired or account issues Solution:
- Log into affected instances manually
- Refresh account in Roblox app
- Check account isn’t suspended/banned
Security Notes
🚨 Cookie Security:
- Generated files contain full account access
- Keep files secure and delete when no longer needed
- Never share cookie files with others
- Store in safe location on your computer
Need Help?
Common issues:
- Make sure instances have been logged in at least once
- Verify devices have root access enabled
- Check that Roblox apps aren’t corrupted
Join our Discord community for help
Last updated on