pdfshaver (deprecated)

Install command: 
brew install --cask pdfshaver

Name: PDFShaver

Shrink PDF files to make them smaller

https://github.com/tparry/PDFShaver.app

Cask JSON API: /api/cask/pdfshaver.json

Cask code: pdfshaver.rb on GitHub

Current version: 1.0

Current version requires: macOS >= 10.11

pdfshaver is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
pdfshaver 3
Installs (90 days)
pdfshaver 22
Installs (365 days)
pdfshaver 93
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