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SQLite WASM (OPFS): How to Install, Set Up, and Use a Persistent Browser Database

How to install SQLite WASM (OPFS) and set up a persistent SQLite database in the browser. Includes OPFS setup, Yjs SQLite integration, and COOP/COEP headers guide.

Sachin Sharma
Sachin SharmaCreator
Aug 6, 2026
6 min read
SQLite WASM (OPFS): How to Install, Set Up, and Use a Persistent Browser Database
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How to install SQLite WASM (OPFS) and set up a persistent SQLite database in the browser. Includes OPFS setup, Yjs SQLite integration, and COOP/COEP headers guide.

SQLite WASMOPFSBrowser DatabaseLocal-FirstYjs
Sachin Sharma

Sachin Sharma

Software Developer & Mobile Engineer

Building digital experiences at the intersection of design and code. Sharing weekly insights on engineering, productivity, and the future of tech.

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