sojusnik

@adrinux I'm aware of this option, but the approach suggested by @BigE in his last post is clearly superior, as randomness is key here.

@weavermarquez > I know this project is GPLv3, but I figured I'd ask here for feedback. I love having this breathing app as "Always on Top" and "Always on Visible...

Sounds great, thanks!

If I understood you correctly, indexing only `/storage/emulated/0/Music` wouldn't help as well in this situation, to have a structured folder view? So the other apps with a hierarchical folder view...

That's taken from [unpaper](https://github.com/Flameeyes/unpaper/blob/master/doc/basic-concepts.md#input-and-output-image-files). In my case the double-page layout is not encoded, but the result of a scan. This functionality could be added to the bottom toolbar. To clear...

`pdfimages` (in `poppler-utils`) extracts pdfs losslessly into images and `img2pdf` converts them back. > Also I see other PDF tools implement page splitting. If we can find an open source...

Great! Maybe [this](https://wiki.archlinux.org/index.php/PDF,_PS_and_DjVu#PDF_tools) and [this](https://wiki.archlinux.org/index.php/PDF,_PS_and_DjVu#Libraries) will also be of use to you. For instance with `mutool poster -x 2 file.pdf` you can split a file vertically – useful to turn...

Don't know what pdf library pdfslicer is using, but this one looks very promising: [pikepdf](https://github.com/pikepdf/pikepdf)

After you've selected one, several or all pages, a button in the bottom toolbar could be shown. After clicking on it, a menu pops up where you can decrease the...

The preview would be actually a nice-to-have, because the cropped result would be anyway shown in the thumbnails. Since PDF Slicer already have undo/redo, a preview isn't that obligatory, imho.