General phone procedure⤵️↑
⤵️
↑
- Use autoscan on a good app
- check the quality of images, and rescan the misscanned pages
- transfer the images to desktop, or produce pdf on phone
Camscanner
No OCR - just scanning.
- Auto-scan video .
- No support for generating 2 page images from single photo.
vflat
- android, apple
- Auto-scan video .
- free app - Scanning and exporting images - no restrictions. pdf making restricted to 10 images.
- generates 2 page images from single photo well.
pdf processing
- splitting page image into multiple pages/ columns
- can be done with pdfarranger - but can be laborious if facing page proportions are not uniform
- briss is more automated. Still - makes errors.
pdf compression⤴️↑
⤴️
↑
gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=alt.pdf tirukkural_alt_2.pdf- small pdf or similar online resources