#  `generate_fdf`

Generate an FDF file containing PDF form data
## Usage
> pdftl `<input>` `generate_fdf` `[output` `<output>]`

## Details
Generate an FDF file containing PDF form data.
`<output>` can be a filename, or `-` to output on stdout,
or `PROMPT` to prompt for a filename.
## Examples

> Dump FDF data for in.pdf to standard output
```
pdftl in.pdf generate_fdf output -
```


**Tags**: info, forms

*Source: pdftl.operations.generate_fdf*

*Read online: [https://pdftl.readthedocs.io/en/stable/operations/generate_fdf.html](https://pdftl.readthedocs.io/en/stable/operations/generate_fdf.html)*

*Type: Operation*