ConvertSuite Pro is a self‑hosted, offline file conversion engine with 20 built‑in profiles covering CSV, JSON, Excel, YAML, XML, Parquet, PDF, images, Base64, and more. It runs locally with zero external dependencies and exposes a unified /api/convert endpoint plus a clean drag‑and‑drop UI. Designed for internal tools, regulated environments, and teams that need deterministic, audit‑safe transformations.