Hollowbit
Download

Download.

Free, with no account. Pick an app and your computer.

Fileshaper

Compress videos for Discord, convert iPhone photos, merge and sign PDFs. One toolbox, fully offline.

v1.2.011 November 2026
MacYour computer

macOS 12 Monterey or newer

Download for Apple Silicon Intel Mac? Get this one instead
WindowsYour computer

Windows 10 or 11, 64-bit

Download for Windows 64-bit installer (.exe)
Opening it for the first time

Fileshaper isn’t signed with a paid Apple or Microsoft certificate yet, so your computer asks once. It’s safe, and every line of code is public.

Mac

  1. Open the .dmg and drag Fileshaper into Applications.
  2. Right-click Fileshaper in Applications and choose Open.
  3. Click Open. If macOS still blocks it, go to System Settings, Privacy & Security, and click Open Anyway.

Windows

  1. Run the installer you downloaded.
  2. If you see “Windows protected your PC”, click More info.
  3. Click Run anyway. You only do this once.
  • About 350 MB once installed
  • 4 GB of memory or more
  • Internet only for the optional update check

Captionshaper

Word-timed subtitles for any video, written by a speech model on your own computer. SRT, VTT or burned in.

v1.1.011 November 2026
MacYour computer

Apple Silicon (M1 or newer), macOS 12 or later

Download for Apple Silicon Apple Silicon only for now
WindowsYour computer

Windows 10 or 11, 64-bit

Download for Windows 64-bit installer (.exe)
Opening it for the first time

Captionshaper isn’t signed with a paid Apple or Microsoft certificate yet, so your computer asks once. It’s safe, and every line of code is public.

Mac

  1. Open the .dmg and drag Captionshaper to Applications.
  2. Right-click Captionshaper and choose Open, then click Open.
  3. If macOS still blocks it, go to System Settings, Privacy & Security, and click Open Anyway.

Windows

  1. Run the installer. If SmartScreen appears, click More info, then Run anyway.
  2. If Windows asks to install the Microsoft Visual C++ runtime, say yes. The speech engine needs it.
  • Speech models download once, then everything runs offline
  • Windows may ask to install the Microsoft Visual C++ runtime