Which means of datacompression can I use in TW (for sharing a QR code for an itty.bitty style site build in PHP.)

[Jan Johannpeter]

Hello community.
I am fascinated by the trick http://about.bitty.site/ can do, which was
shared some time ago in this group.

I would like to do a plugin and code a php-backend which can do this
directly from TW.
To make it efficient, the data would have to be compressed before
turning it into a qr-code.
What sort of datacompression is available in TW that can be decompressed
on my server.

PS: I know it would be more practical to use QR to link to a wiki-site.
The Idea ist to provide a method for colleagues which are not able to
save the wiki.

Any elegant shrinking ideas?

Best wishes Jan