BASALT · JOURNAL
When a PDF form will not save your entries
Three distinct problems produce the same complaint.
The form was never fillable
Many documents that look like forms are just pages with lines drawn on them. There are no fields to fill, and what feels like typing into the document is actually adding annotations, which some viewers discard.
If clicking a box does not produce a cursor, there are no fields.
The fix is to add text as annotations deliberately and then flatten, or to fill it by hand.
Reader restrictions
Some forms are created so that entries can be typed but not saved, which is a permission set by the author. The values are lost when the document closes.
Flattening after filling converts the values into page content and preserves them, which sidesteps the restriction on your own copy.
XFA forms
An older XML based Adobe format inside a PDF wrapper. Preview and most third party applications cannot open them, and show a message asking you to use Adobe Reader.
There is no workaround worth relying on. If you receive XFA forms regularly, Adobe Reader is the tool for that job.
Always flatten before sending
Whatever route you used, flatten before the document leaves you.
Flattening converts field values into ordinary page content, so they render identically everywhere, print correctly, and cannot be edited or accidentally cleared by the recipient.
An unflattened form sent to another party is editable by them, which is rarely the intention when you have just filled in your details.
A redaction note
An unflattened field holds its value as data independent of what the page displays. Drawing a black box over a filled field does not remove the value, and it can be read directly out of the form data. Flatten first, then redact.
Frequently asked questions
Why will my PDF form not save my entries?
Either the document has no real form fields and you are adding annotations, or the author set it so values can be typed but not saved. Flattening after filling converts the values into page content and preserves them.
How do I know if a PDF has real form fields?
Click where you expect a field. If no cursor appears, there are no fields and the document is a page with lines drawn on it.
What is an XFA form and why will it not open?
An older XML based Adobe form format inside a PDF wrapper. Preview and most third party applications cannot open it and will direct you to Adobe Reader, which is the practical answer if you receive them often.
Should I flatten a form before sending it?
Yes. Flattening makes the values part of the page so they print correctly everywhere and cannot be edited by the recipient. It also matters for redaction, since an unflattened field holds its value independently of what the page shows.
Doing it in Basalt
Basalt is a native macOS PDF toolkit: eighteen tools in one window covering merge, split, page organisation, compression, OCR, passwords, Bates numbering, forms, signing, watermarks and comparison. Every file is processed on your Mac, and the engine that opens documents holds no network entitlement at all, which macOS enforces at the code-signature level. Redaction destroys content rather than covering it, and an independent verifier proves the material is gone before a file is written. A one time $29 licence covers up to three Macs, free for the first 24 hours. basaltformac.com, or brew install --cask chipmunk1101/tap/basalt.
Redaction that proves itself
Basalt destroys the content you mark, then re-opens the file it wrote and proves the content is gone before it saves anything. Your documents never leave your Mac.