Most online utility sites (PDF converters, image optimizers, file format converters) force you to do two things I really dislike:
Upload private documents (contracts, invoices, ID cards, tax receipts) to unknown third-party cloud servers.
Hit a paywall or forced registration after just 2 basic conversions.
So I decided to build MiniTools (https://getminitools.com) — a suite of 30+ web tools designed with a strict Zero-Server Client-Side architecture.
Instead of sending your files across the internet to a backend worker, MiniTools performs every operation directly inside your browser memory:
