I have pdfs of my homework assignment written in pencil. I was supposed to write it in pen. I am looking for a software that changes the colour of my handwriting to blue/black colour. Please help, Thanks in advance!
Edit: I wrote my homework assignment in a ruled notebook, then I scanned the images, and
something like this, for example,
Basically, a pencil handwriting can be erased by eraser. It is light.
I found a very useful free PDF colour inverter online: invert-pdf.club (Perfect for printing dark PDFs.)
I found another website: online2pdf.com/pdf-change-color-to-black-and-white I can change the pdf color to grayscale or monochrome.
BUt i am still not able to find a tool that changes color blue/black