Sheetwren
Open and edit spreadsheets in a small, fast Windows app
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Sheetwren opensxlsx,xls,csv andods files in seconds and lets you edit, sort, filter, find & replace and export to PDF. It scrolls 100k+ rows, calculates 125 common functions and works offline. One-time $8, free updates, 30-day refunds.
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PH · launched Oct 26, 2026 · 1 upvote (top 67%)
- Horizontal
- Analytics & BI
- Prosumer
- Not AI
- Commercial product
- Productivity
- Spreadsheets
Similar launches
See all 796 similar launches →Could you build this?
Partial A fast Windows app with a UI and file opening is achievable, but faithful XLSX/XLS/ODS handling, a reliable formula engine, and smooth 100k-row performance are hard to get right without specialized work.
What it would actually take: Build it as a native desktop app (C#/WPF or Qt/C++) with a virtualized grid for large row counts, using a mature file-format library for xlsx/xls/ods parsing. The hard parts are a correct formula evaluation engine covering 125 functions and format-fidelity edge cases. That calls for someone experienced in spreadsheet internals or performance-sensitive desktop UI.
Competitors
Other products that read as similar to this one : 796 launches clear the similarity bar, closest 8 shown.
Attention rank: #259 of 797 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 351 days after the earliest competitor.
- LocalSheet · ph · 2026-10-12 · 3 upvotes · similarity 0.60
- Paperwren · ph · 2026-10-21 · 1 upvotes · similarity 0.58
- MultiPDFsToExcel · ph · 2026-09-30 · 1 upvotes · similarity 0.53
- PDFtoGrid · ph · 2026-10-20 · 1 upvotes · similarity 0.53
- SheetToCsv · ph · 2026-09-29 · 1 upvotes · similarity 0.52
- Split My Excel · ph · 2026-10-15 · 2 upvotes · similarity 0.52
- ToolsNest · ph · 2026-09-29 · 1 upvotes · similarity 0.52
- ImgToSheet.app · ph · 2026-10-10 · 2 upvotes · similarity 0.52
Other launches for this product
- No other launches for this product.