Significantly reduce the file size of scanned PDF documents without noticeable loss of quality.
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
compress-pdfis 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.pdfand saves it in the file namedinput (compressed).pdf.
- Take a look at the size of three example PDF files and the size of compressed PDF files generated with
compress-pdfbelow:
| 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.