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ConvertSheet

Developer Tools

Private client-side data converter & financial calculators

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Views
27
Stack
3 tools
Launched
Oct 2026

Overview

In the maker's words.

ConvertSheet is a high-performance, privacy-first web utility for developers, data engineers, and spreadsheet users. It transforms nested JSON, large CSVs, Parquet, and Excel spreadsheets directly inside browser memory via WebAssembly and DuckDB-WASM — 100% client-side with zero cloud uploads and zero tracking. In addition to file conversions, ConvertSheet features developer utilities and financial calculators.

Stack

The tools and technologies listed by the maker.

REST Api SQLite Db Vercel Infra

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Category All Developer Tools products Every published product in this category. Stack pair REST + Vercel 4 published products use both. Launch month Launched in October 2026 Products that launched the same month.