The script library
PowerShell and automation, with the context behind the code.
Turn a folder of CBR comics into CBZ with 7-Zip, and optionally shrink the pages to WebP with cwebp or ImageMagick, testing every file before anything is replaced.
Archive conversion workshop · Note 4 ↗Repack .7z files as plain Deflate ZIPs with UTF-8 file names, including password-protected ones, and test every result before the original goes anywhere.
Archive conversion workshop · Note 2 ↗A quick, safe software inventory from the registry, local or remote, that returns objects you can filter and export instead of a wall of colored text.
Clean old user profiles off shared PCs and servers through Win32_UserProfile, so the folder and the registry entry go together and nobody gets a TEMP profile.
Find the old Outlook .ost files nobody is using any more and reclaim the space, without touching the ones Outlook has open.
Clear old temp files from the usual suspects and run Disk Cleanup unattended, with an age threshold and a -WhatIf that shows how much you'd get back.
When Windows Update is greyed out or just won't run, check all the policy values and services that can block it, and put them back the way Windows shipped.
Hand a list of folders from several drives to robocopy in one go, keep their structure on the new drive, catch name collisions before anything moves, and get a log per folder.
Pull shutdown, startup and crash events from the System log so you can tell a planned restart from a power cut, and see who or what asked for it.
A one-off local admin account done properly, with a hidden password prompt, a language-proof group lookup, and an expiry date for the temporary ones.
Roll out a named local admin account with a random password nobody knows, ready for Windows LAPS to take over, and optionally retire the built-in Administrator.
Empty the Recycle Bin with no prompt, for one user or everyone on the machine, and optionally keep anything deleted recently.