Amazon Stock Checker & 999 Trick
Reveal exact inventory quantities on Amazon with one click. Use the automated 999 trick to check competitor stock levels.
100% Free Forever
One-Click Check
Stock Checker
999 Trick Automated
Free Extension
247
Units in Stock
FBA
189
FBM
58
Know Exact
Stock Levels
Exact Stock Count
See the precise number of units available
One-Click Check
Check stock instantly without manual cart tricks
Competitor Analysis
Monitor competitor inventory levels
All Marketplaces
Works on every Amazon marketplace
Demand Insights
Understand product demand from stock velocity
Low Stock Alerts
Identify when products are running low
How It Works
Check stock in 4 simple steps
1
Install Extension
Add the extension to Chrome
2
Visit Product
Navigate to any Amazon product page
3
Click Check
Use the stock checker button
4
See Stock
View exact inventory quantity
Frequently Asked Questions
A free Chrome extension that reveals the exact inventory quantity of Amazon products using the 999 cart trick. Know exactly how much stock competitors have.
Ready to Check Stock Levels?
Join 12,000+ Amazon sellers using Stock Checker.
- 100% Free
- One-Click Check
- All Marketplaces