Chrome Web Store
72Versions
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98 indicators in this extension

98 indicators
0 versions analysed

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What our analysis found

How Many? – Amazon Inventory Checker, used by 10,000 people, is not yet reviewed by Extension Auditor. Its permissions mean it can observe network requests. It comes from a trusted publisher and was last updated in September 2026.

How Many? – Amazon Inventory Checker

How Many? – Amazon Inventory Checker Chrome extension security report

ID: fifaampimdjablpkjapdjehjcfloecjp

Supported Languages

🇺🇸English

Extension Info & Metadata

Status
Active
Version
6.3.6
Size
0.90 MB
Rating
3.4/5
Reviews
56
Users
10,000
Type
Extension
Updated
Sep 11, 2026
Category
Workflow & planning
Price
Free
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
Yes
This publisherTrack record
1extension
All still listed

Publisher Contextual Analysis

Trusted
Author
https://howmanyextension.com/
Country
US
MX records exist
Yes
Domain exists
Yes
Is disposable
No
Is role-based
Yes
Mailbox exists
Yes
Address
12479 Evesham Court El Paso, TX 79928 US
Website
Visit
Extensions
1
Active
1
Obsolete
0
Listed
1
Unlisted
0
Users
10,000

Screenshots & videos

Screenshot 2
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Install growth

Item
Type
Severity
Description
webRequest
Permission
Critical
This permission enables the extension to monitor and analyze all web requests made by the browser. Rated Critical because it can observe all network traffic including sensitive data, track browsing behavior, and gather authentication tokens.
Contextual Risk Factors
Risk Factor
High
The following context increases the overall risk:• 20% increase: Access to sensitive domains increases potential impact• 10% increase: Early script execution enables pre-emptive content manipulation
activeTab
Permission
Medium
This permission grants temporary access to the current tab. Rated Medium because it can access current page content when invoked, though limited to user-initiated actions.
storage
Permission
Medium
This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.
*://app.howmanyextension.com/*
Host
Medium
Host permission — access limited to this URL pattern.
https://api-v2.howmanyextension.com/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.amazon.com/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.amazon.co.uk/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.amazon.es/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.amazon.nl/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.amazon.com.mx/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.amazon.it/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.amazon.in/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.amazon.de/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.amazon.fr/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.amazon.cn/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.amazon.ca/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.amazon.com.br/*
Host
Medium
Host permission — access limited to this URL pattern.
https://*.amazon.com.au/*
Host
Medium
Host permission — access limited to this URL pattern.
Access to Sensitive Domains
Risk Factor
Medium
This extension requests access to sensitive domains: https://*.amazon.com/*, https://*.amazon.co.uk/*, https://*.amazon.es/*, https://*.amazon.nl/*, https://*.amazon.com.mx/*, https://*.amazon.it/*, https://*.amazon.in/*, https://*.amazon.de/*, https://*.amazon.fr/*, https://*.amazon.cn/*, https://*.amazon.ca/*, https://*.amazon.com.br/*, https://*.amazon.com.au/*
Early Content Script Execution
Risk Factor
Medium
This extension runs content scripts at document_start.

98 indicators in this extension

98 indicators
0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99Start 7-day trial — all reports
One-time payment · Secure checkout by Stripe

About this extension

The free version of this extension only works on amazon pages with the offer-listings in the url. You must be on that type of page…

Read the publisher’s full description

The free version of this extension only works on amazon pages with the offer-listings in the url. You must be on that type of page and then CLICK the icon and it will start to work. You do not need a license key to use the free version. it just works for 5 uses each day. Easily check how much your competition has available to purchase on amazon. Returns available amounts to purchase if under 1,000 directly on the page. Very fast and easy to use. Just get to the page and click the button. No more adding the item to cart and using the 999 trick manually. This extension does all that for you in the background. How Many Premium Edition includes the following 1. Gets the buy box quantity (when available) 2. Gets the merchants listed on the main product detail page's available stock 3. Estimates sales volumes or if you have Jungle Scout installed it will use those sales estimations (Check the options page) 4. Sub-totals the FBA and MCF available quantity 5. Gives estimated 30 day sell through price. Make more profit!! 6. Gets next lowest offer (not including shipping) and the available quantity on all offers pages 7. All new variation viewer (includes out of stock variations!!) 8. iOS and Android Companion App 9. Right-Click context menu 10. Get available quantity on storefronts 11. Reveal when a merchant is limiting their stock quantities 12. Reveal the true inventory number if merchant is hiding their stock amount up to 999 All this for a small monthly fee limitations: Current version does not work on some amazon Europe countries If merchant fullfilled offer is limiting quantity we only get the available quantity to purchase at any given time. If you need help please contact us at support@howmanyextension.com or visit our private policy here: https://howmanyextension.com/privacy-policy

User reviews

Extension files

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URLs
65
IPv4
33

URLs

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No IP addresses found

98 indicators in this extension

98 indicators
0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99Start 7-day trial — all reports
One-time payment · Secure checkout by Stripe
Version
Size
Verdict
Findings
Permhash
6.3.6
Latest
0.90 MBNot scanned—
73e3bb08a357babc22eac28efab02a37fc308579c0992d62cc4b8d4f55f7de95
6.3.5
0.90 MBNot scanned—
73e3bb08a357babc22eac28efab02a37fc308579c0992d62cc4b8d4f55f7de95
6.3.2
0.90 MBNot scanned—
73e3bb08a357babc22eac28efab02a37fc308579c0992d62cc4b8d4f55f7de95
6.3.1
0.89 MBNot scanned—
5fbb996ad1e18c693945e1ba2ac2e090b0dfe8285c18c678be86243709835660
6.3.0
0.89 MBNot scanned—
73e3bb08a357babc22eac28efab02a37fc308579c0992d62cc4b8d4f55f7de95
6.2.0
0.89 MBNot scanned—
73e3bb08a357babc22eac28efab02a37fc308579c0992d62cc4b8d4f55f7de95
6.1.0
0.89 MBNot scanned—
73e3bb08a357babc22eac28efab02a37fc308579c0992d62cc4b8d4f55f7de95
6.0.0
0.89 MBNot scanned—
73e3bb08a357babc22eac28efab02a37fc308579c0992d62cc4b8d4f55f7de95
5.0.501
0.89 MBNot scanned—
73e3bb08a357babc22eac28efab02a37fc308579c0992d62cc4b8d4f55f7de95
5.0.51
0.89 MBNot scanned—
73e3bb08a357babc22eac28efab02a37fc308579c0992d62cc4b8d4f55f7de95
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