IN THE FIELD GUIDE
buildthatextension
buildthatextension.com
This service provides a comprehensive dataset of over 9,500 expired Chrome extensions, each having had at least 500 users before removal. It helps developers and indie hackers find proven extension ideas by offering detailed information including user counts, ratings, and abandonment timelines.
THE PRODUCT, BEYOND THE PITCH
Automatically researched · Not editorially reviewed · Sources checked Sep 13, 2026
A good fit for
- Best suited for developers and indie hackers seeking validated Chrome extension ideas with proven user bases to build upon.
Know the limitations
- The extensions are expired and no longer live on the Chrome Store, meaning the ideas require redevelopment and updating to current standards.
- Extensions were removed due to Google updating Chrome extension requirements from Manifest V2 to Manifest V3, so outdated extensions need to be updated to be viable.
What you can do
- Developers and indie hackers can use the dataset to find proven Chrome extension ideas with existing user demand. It serves as a resource for jump-starting creativity and identifying market gaps by analyzing abandoned extensions.
Features
- Provides a complete CSV dataset of expired Chrome extensions including names, Chrome Store URLs, descriptions, user counts, ratings, reviews, and abandonment timeline data.
- Includes user counts for each extension, all with at least 500 users, validating market demand for these ideas.
- Contains original ratings and reviews for each expired extension to provide insight into user satisfaction and quality.
Integrations
Not confirmed yet.
Platforms & data export
Not confirmed yet.
THE COST FOR YOUR TEAM
Go beyond the starting price.
Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
Known monthly subtotal
$0.00/month
1 of 1 tools could not be priced with these inputs, so this is not the full cost.
| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
| No pricing recorded yet. Check the official site, or ask the owner to add it. | |||
A practical workflow
- Users download the CSV dataset instantly to access detailed information on expired extensions. They can analyze user counts, ratings, and abandonment timelines to identify promising ideas.
Based on the sources below. Editorial review does not imply hands-on product testing.
Alternatives to explore
Filter alternatives →Candidates based on category and primary feature. Check feature and pricing differences before switching.
Plan a switch from buildthatextension →What changed
Changes to the facts recorded here, not a live scan of every vendor update. Save this tool to follow updates in your account.
Updated: best for, features, limitations, summary, use cases, walkthrough
See recorded changes
bestForBefore: []
After: ["Best suited for developers and indie hackers seeking validated Chrome extension ideas with proven user bases to build upon."]
featuresBefore: ["Provides a complete CSV dataset of expired Chrome extensions including names, Chrome Store URLs, descriptions, user counts, ratings, reviews, and abandonment timeline data."]
After: ["Provides a complete CSV dataset of expired Chrome extensions including names, Chrome Store URLs, descriptions, user counts, ratings, reviews, and abandonment timeline data.","Includes user counts for each extension, all with at least 500 users, validating market demand for these ideas.","Contains original ratings and reviews for each expired extension to provide insight into user satisfaction and quality."]
limitationsBefore: []
After: ["The extensions are expired and no longer live on the Chrome Store, meaning the ideas require redevelopment and updating to current standards.","Extensions were removed due to Google updating Chrome extension requirements from Manifest V2 to Manifest V3, so outdated extensions need to be updated to be viable."]
summaryBefore: "This platform provides a comprehensive dataset of over 9500 expired Chrome extensions, each with more than 500 users, to help developers and indie hackers find proven extension ideas. It offers detailed information including extension names, user counts, ratings, reviews, and abandonment timelines to facilitate market research and idea validation."
After: "This service provides a comprehensive dataset of over 9,500 expired Chrome extensions, each having had at least 500 users before removal. It helps developers and indie hackers find proven extension ideas by offering detailed information including user counts, ratings, and abandonment timelines."
useCasesBefore: ["Developers and indie hackers can use the dataset to find proven Chrome extension ideas with existing user demand. It also serves as a source of inspiration and gap analysis for building alternatives to abandoned extensions."]
After: ["Developers and indie hackers can use the dataset to find proven Chrome extension ideas with existing user demand. It serves as a resource for jump-starting creativity and identifying market gaps by analyzing abandoned extensions."]
walkthroughBefore: []
After: ["Users download the CSV dataset instantly to access detailed information on expired extensions. They can analyze user counts, ratings, and abandonment timelines to identify promising ideas."]