Pyodide
AssessTools
A Python runtime for running Python in the browser via WebAssembly.
Why it's here
Placed in Assess: 3 article(s) of evidence from 2 source(s), led by product launches, with 2 in the last 30 days. Confidence 45%.
Evidence (3)
- 8Cloudflare Blog·8/3/2026framework_updateCloudflare extends Workers RPC across Python and JavaScript
Cloudflare says Workers RPC now works across Python and JavaScript, allowing Workers to call methods, pass objects, and exchange functions between languages without custom APIs or extra dependencies. The feature uses Service bindings and combines Pyodide FFI with a custom conversion layer so calls behave like native function calls with low overhead.
- 4Simon Willison·7/18/2026product_launchSQLite Query Explainer
Simon Willison introduced SQLite Query Explainer, a browser-based tool that runs SQL queries against a SQLite database and annotates the results of both EXPLAIN QUERY PLAN and low-level EXPLAIN output with plain-English explanations. The tool runs SQLite in Python through Pyodide and WebAssembly, aiming to make query planner and virtual machine behavior easier to understand.
- 3Simon Willison·6/23/2026product_launchOPFS 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.