filter
Do nothing (the default if <operation> is absent)
Usage
pdftl
<input>[filter]output<file>[<option...>]
Details
This does nothing. Use filter to keep a PDF file
unchanged, before applying output options (such as
encryption, compression, etc). This is the default
operation if no operation is explicitly provided.
Examples
Do nothing
pdftl in.pdf output out.pdf
Do nothing
pdftl in.pdf filter output out.pdf
Uncompress in.pdf
pdftl in.pdf output out.pdf uncompress
Tags: in_place
Source: pdftl.operations.filter
Read online: https://pdftl.readthedocs.io/en/stable/general/filter_mode.html
Type: Operation