Open Excel
By ValmisLab
AI Excel viewer & editor. Open .xlsx/.xls/.csv files in browser, edit and save locally. AI tools for formulas and data cleaning.
Time on the storeAbout 1 to 3 yearsA rough range, not an exact date
Store users≈10KRounded by the Chrome Web Store
Chrome Web Store rating5.0 / 512 ratings on the Chrome Web Store
Last store update13 Sep 2026Version 2.0.6, 23 days ago
Inside the extension
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The maker
ValmisLab has 3 listings on the store. Most of their listings haven’t changed in over a year.
- Listings
- 3
- Combined store users
- ≈14.8K
- Store Featured
- 2
- Updated in the last 90 days
- 1 of 3
- Draw on Screen≈4K users · updated 17 months ago
- UI Builder – Mockup Tool839 users · updated 14 months ago
Combined users can count the same person more than once. See all 3 listings Developer website
Ext Watch AI
Should you build in this niche?
One research report for Open Excel. Reports come with Plus, Pro and Max.
- 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
- Ready in a minute or two
- Report and PDF yours for 30 days
