Show HN: Convert.now – File conversion that never uploads your files (all WASM)

> Free, forever. A Pro tier is on the roadmap for batch tools and complex server-side jobs (OCR, video, etc), but the browser tools will always be free.

This seems like a decent take at the "free" version of the freemium product that's planned. I'd probably add a basic history of operations done on the same browser (without needing a login). Along with that, for people who deal with spreadsheets, the amount of resources and time required for processing large files especially.