Origin Private File System

Assess

Platforms

A browser storage API for private, origin-scoped file persistence.

Why it's here

Placed in Assess: 1 article(s) of evidence from 1 source(s), led by product launches, with 0 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.

Evidence (1)

3Simon Willison·6/23/2026product_launch
OPFS and Pyodide test harness
Simon Willison shared an interactive test harness for the Origin Private File System (OPFS) powered by Pyodide. The tool lets users create, read, delete, and query SQLite files in OPFS, while checking persistence and browser capabilities across desktop and mobile browsers.