I have a PDF form saved on my iPhone and need to fix a date before sending it tonight. Is editing a PDF online from my phone practical, or will the layout get messed up?
Honestly, for a quick date fix it’s fine. On iPhone you can open it in Files and use Markup to drop a text box over the old date, no extra apps needed. Just zoom in so it lines up with the form fields. To be fair, real forms can shift if fonts are missing, so check it before sending.
I had to do this recently away from the clinic desk. Using PDFcap in mobile Safari works fine and will not mess up your layout. Just upload the form at pdfcap.com, use the text tool to fix the date, and save it back to your phone. It keeps all the original formatting intact.
If it was an EPUB it would be easy, but doing PDFs online from a phone is a nightmare for formatting. Since you are on an iPhone, just use the built-in Markup tool in your Files app to cover and rewrite the date. Avoid using browser-based editors on a mobile screen because they never align right. I learnt this the hard way when fixing my bakery invoices.
If it’s just a date in a form field, I would try opening it in the Files app first and see if Markup lets you tap into the field directly, that usually keeps the layout intact. Doing it through a browser on a phone can get fiddly with form fields shifting around. Learned that the hard way trying to fix a signature date at midnight once, ended up redoing it on my laptop instead.