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Apps that keep focused work quiet.

SubhBits apps are lightweight, private Windows utilities for reading, protecting, and finishing local files without heavyweight workflows.

Markdeck logo

Markdeck

A lightweight Markdown and MDX viewer for Windows

  • Open Markdown and MDX
  • Search rendered documents
  • Browse recent local files
Explore Markdeck
PDF LockSmith logo

PDF LockSmith

Lock, unlock, and control your PDFs — locally

  • Add PDF passwords
  • Remove passwords
  • Process files locally
Explore PDF LockSmith

Built for Windows. Built for focus.

Simple tools that respect your time and your space.