OPFS VFS

Demos / explore locally

Try OPFS VFS in your browser

Try a file workspace, a persistent database, or a browser runtime. Each demo has its own browser storage.

Demo

Volume Explorer

Browse, edit, preview, and transfer volumes. Debug storage with a built-in shell.

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Filesystem

Create and edit files, run shell commands, and transfer a workspace as a ZIP.

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React SDK (preview)

Keep a local file inbox in sync across browser tabs with the React SDK.

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PGlite

Query a persistent browser database and compare it with memory.

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DuckDB (experimental)

Analyze data with SQL and reopen tables saved in OPFS VFS.

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EdgeJS (experimental)

Run JavaScript with node:fs and keep files across page reloads.

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Local AI

Run Gemma on your device to create and organize workspace files.

Open demo →