Stack
Local tools.
One rule.
Work happens on the device. Free tools pull search traffic. The converter is what can charge.
01
JPG → PDF
Batch convert. Letter or A4. Fit or fill. Three free, then $7/mo.
02
PDF → JPG
Each page becomes a JPG. Free. Nothing uploaded.
03
Compress JPG
Quality slider. Preview. No quota.
04
PNG → PDF
Screenshots into one document. Same local engine.
05
Image → PDF
The generic search. Same converter.