Is it Worth it to Compress Media with xz, bzip2, gz or zip?

In this video I compare command line compression utilities on macOS. I installed many of the utilities using Macports.

I compare compression utilities here: https://youtu.be/PCd7FcZ7h6A

I have a video on installing Macports here:https://youtu.be/N22Ic6ZRPXI

I used these compression utilities:
pixz – multithreaded pixz
lbzip2 – multithreaded bzip2
pigz – multithreaded gzip
zip – standard zip

macOS Command Line Compression Utility Comparison (7z, xz, bz2, gz, lz4, ha, zip)

In this video I compare command line compression utilities on macOS. I installed many of the utilities using Macports. I have a video on installing Macports here:https://youtu.be/N22Ic6ZRPXI

I used these compression utilities:
7z – 7zip
xz – lzma compression
7z – 7zip with “ultra” settings
bzip2 – Burrows–Wheeler algorithm
lzma – lzma compression
pixz – multithreaded pixz
ha – based on arithmetic/Markov coder
lbzip2 – multithreaded bzip2
lz4 – LZ77 compressor
pbzip3 – multithreaded bzip2
pigz – multithreaded gzip
zip – standard zip

Synology Virtual Machine Manager Snapshot How-to

In this video, I demonstrate the usage of snapshots in Synology’s Virtual Machine Manager.

Synology Playlist: https://www.youtube.com/playlist?list=PLErU2HjQZ_ZPL8Yx7FxnY6xKxcMiVWkkJ

Synology DS918+ (Amazon Affiliate)
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* Please verify that you have chosen the WD40EFRX (CMR) model when ordering. Also check that you got the correct drives when your order arrives. Avoid the WD40EFAX SMR models!

Crucial 16GB (8GBx2) RAM CT2K8G3S186DM (Amazon Affiliate)
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Using advpng (AdvanceCOMP) to Losslessly Compress PNG files (on Mac using Macports)

In this video I install advpng (from AdvanceCOMP) and show how to use it to recompress a bunch of png files.

Installing MacPorts on a Mac: https://youtu.be/N22Ic6ZRPXI

Install advancecomp (using Macports)
sudo port install macports
View Size of Current Directory
du -sh
Find png Files in Directory (recursively)
find ./ -iname '*.png'
Count Files
find ./ -iname '*.png' | wc -l
Batch Optimize png Files
find ./ -iname '*.png' -exec advpng -z4 {} \;