Amazon Stock Checker & 999 Trick icon

Amazon Stock Checker & 999 Trick

by 10Xprofit · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 20 Oct 2026

Automate the 999 stock check trick on Amazon to see actual available quantity.

Users
40
+21 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#119K
#99K among extensions
Version
3.0.1
updated 1 Jan 2026

Users

monthly, 10 months
02040Jan 2026Jun 2026Oct 2026
Latest, 20 Oct 2026: 40 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months
001Jan 2026Jun 2026Oct 2026
Latest, 20 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 Amazon Stock Checker & 999 Trick

Instantly Check Estimated Stock Availability on Amazon Product Pages Amazon Stock Checker helps you quickly check the estimated available stock quantity for Amazon products using an automated “999 Trick” workflow. Instead of manually testing quantities, this extension runs the process for you and shows the result in a clean Stock Checker box on the product page. ⭐ Key Features ✅ Automatic “999 Trick” Stock Check ➞ Runs the stock-check automation and shows the estimated maximum purchasable quantity based on Amazon’s quantity limits. ✅ On-Page Stock Checker Box ➞Displays results directly on the product page (right sidebar or below the Buy Box). ✅ Fast Results + Loading Status ➞ Clear progress indicator while checking, plus instant view once finished. ✅ ASIN Lookup Link ➞ Quick link to open ASIN details for additional reference. ✅ Lightweight & Easy to Use ➞ No setup needed—install and check stock while browsing. 🧠 How to Use ➞ Open any Amazon product page ➞ Find the Stock Checker box (right sidebar or below Buy Box) ➞ Wait for it to load (or view instantly when available) ➞ Use ASIN Lookup for more details 🎯 Ideal For ➞ Amazon sellers (FBA/FBM) & resellers ➞ Product sourcing / wholesale research ➞ Virtual assistants (VA) ➞ Deal hunters & inventory monitoring workflows ⚠️ Important Notes Results show an estimated available quantity based on Amazon’s cart/quantity behavior and may vary by seller, region, account limits, or Amazon restrictions. Designed for product pages (not guaranteed on every layout, A/B test, or marketplace variation). 🔒 Privacy This extension does not collect, store, or sell personal information. It only interacts with the Amazon page you’re currently viewing to display the stock estimate. ❓ FAQ 1) What is the “999 Trick”? ➞ It’s a common method that checks estimated availability by attempting a high quantity and observing Amazon’s allowed quantity/limits. 2) Does this show exact “real stock”? ➞ It shows an estimate based on Amazon’s maximum allowed quantity behavior, which may not always equal exact warehouse stock. 3) Where do I see the stock result? ➞ On the product page in the Stock Checker box (right sidebar or below the Buy Box). 4) Does it work for all Amazon countries? ➞It’s built to work across multiple Amazon marketplaces, but results can vary by region and page layout. 5) Does the extension store my data? ➞ No—no personal data is stored or sold. The check runs on the page you’re viewing.

Growth

WindowUsersChangeRatingsRating
7 days+8+25.0%00.00
30 days+21+110.5%00.00
6 months+32+400.0%00.00

Version history

1 versions recorded
3.0.11 Jan 2026

Details

Category
Tools
First seen
1 Jan 2026
Size
16 KB
Languages
en
Pricing
Free
Privacy policy
10xprofit.io
Support
10xprofit.io
Extension ID
johobikccpnmifjjpephegmfpipfbfme

Permissions and risk

Moderate riskimpact 2, likelihood 2
Site access
*://*.amazon.com/**://*.amazon.ca/**://*.amazon.co.uk/**://*.amazon.de/**://*.amazon.fr/**://*.amazon.it/**://*.amazon.es/**://*.amazon.co.jp/**://*.amazon.in/**://*.amazon.com.br/*and 8 more

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