Developer Tools●●Solid
QueryPad – I got tired of opening Python just to query a CSV
DuckDB-Wasm in browser with shareable URLs—better than opening Python.
Solve My ProblemSlick
kiyeonjeon
542mo ago
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GitHub Repository
Drop a file. Query with SQL. Visualize and share. All in your browser. Powered by DuckDB-Wasm.
23 starsTypeScript
QueryPad – Browser SQL Playground for CSV, JSON, and Parquet Files
by kiyeonjeon·Mar 21, 2026·1 point·1 comment
AI Analysis
●●SolidCozySlick
DuckDB-Wasm runs SQL queries on dropped files directly in your browser, no server needed.
Strengths
- •DuckDB-Wasm executes analytical SQL with JOINs and window functions entirely client-side
- •PartyKit and Y.js enable real-time collaboration with shared cursors and CRDT sync
- •URL compression embeds both data and queries for instant shareable snapshots
Weaknesses
- •Hundred megabyte file cap restricts larger datasets that analysts actually need
- •Browser-based SQL tools already have established competitors like DuckDB's own playground
Category
Target Audience
Data analysts, developers, anyone working with data files
Similar To
DuckDB Playground · CSV Lens · DB Fiddle
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