maxim-puchkov / compress-pdf

Significantly reduce the file size of scanned PDF documents without noticeable loss of quality.

Compress PDF

Significantly reduce the file size of scanned PDF documents without noticeable loss of quality.

Install

To install the compress-pdf

You can quickly run the project with the following command:

swift run compress-pdf [--replace-files] [--suffix <suffix>] [<files> ...]

You can build compress-pdf for release like so:

swift build --configuration release

Usage

• compress-pdf is particullarly effective for documents that were scanned with iPhone.
• Move a scanned PDF document to your computer and run this command in your Terminal:

compress-pdf [--replace-files] [--suffix <suffix>] [<files> ...]

ARGUMENTS:
  <files>                 The PDF files to compress.

OPTIONS:
  -r, --replace-files     Replace original PDF files.
  -s, --suffix <suffix>   Set file suffix added to copied PDF files. (default:  (compressed))
  -h, --help              Show help information.

• This command compresses a copy of the original input.pdf and saves it in the file named input (compressed).pdf.

Examples

• Take a look at the size of three example PDF files and the size of compressed PDF files generated with compress-pdf below:

Original File	Compressed File	Percentage Decrease (Bytes)
01-scanned-document.pdf (9.5 MB)	01-compressed.pdf (329 KB)	96.554%
02-scanned-document.pdf (12.1 MB)	02-compressed.pdf (429 KB)	96.459%
03-scanned-document.pdf (9.1 MB)	03-compressed.pdf (312 KB)	96.552%

Note: all documents were scanned in the Files iPhone app.