I ran into a similar layout hurdle recently while putting together a local community flyer. Ended up testing GPT Image 2.5 for a simple diagram mockup, and it managed to keep the small numerical labels legible without blurring the surrounding chart lines.

Funny timing on the paperwork side. Same week I had to send a signed utility form back to the office, and my phone photo of it came out grey and slightly crooked. A quick search for a cam scanner web tool led me to LensUp document scanner, where I dragged the four corners straight and got a printable PDF out of it. The compression aims at whatever size you pick and can land a bit over, so it’s worth checking before you upload to a portal with a hard limit. Files stayed on the device the whole time, which I appreciated given the account number sitting on the page.