DevHelper - Developer Toolbox
A comprehensive developer toolbox containing JSON formatting, encoding/decoding, API testing, QR code, timestamp conversion, regex…
Time on the storeUnder a yearA rough range, not an exact date
Store users12As shown on the Chrome Web Store
Chrome Web Store rating5.0 / 52 ratings on the Chrome Web Store
Last store update14 Sep 2026Version 1.6.0, 21 days ago
How DevHelper - Developer Toolbox is doing
DevHelper - Developer Toolbox has been on the store for less than a year and is in the lower half of Developer Tools by users. Recent activity is steady. It was updated in the last month.
- Time on the store
- Under a year
- Recent direction
- Steady
A rough range, not an exact date.
Moving at about the same pace as the month before.
Members see the exact launch date, growth history and every release
Inside the extension
Product image 1 of 5Reviews
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The maker
jinxianshen58 has 4 listings on the store. Updates most of their listings often.
- Listings
- 4
- Combined store users
- ≈92
- Store Featured
- 0
- Updated in the last 90 days
- 2 of 4
- Cookie Manager with Daily Quotes67 users · updated 18 months ago
- QR Code Generator8 users · updated 6 months ago
- Universal Calculator - Scientific & Unit Converter5 users · updated 2 months ago
Combined users can count the same person more than once. See all 4 listings
Ext Watch AI
Should you build in this niche?
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- Takeaway & demandCited takeaway and search volumes
- Traffic & domainPopularity rank, visits and authority
- Money & pricingPlans and prices from the maker’s site
- ReviewsComplaints and praise, quoted
- Competitors & ranksRank against the closest listings
- Build opportunityWhat to build and how to position it
- Every number shows its source and date
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- Report and PDF yours for 30 days
