Product Hunt logo dark
  • Launches
    Coming soon
    Upcoming launches to watch
    Launch archive
    Most-loved launches by the community
    Launch Guide
    Checklists and pro tips for launching
  • Products
  • News
    Newsletter
    The best of Product Hunt, every day
    Stories
    Tech news, interviews, and tips from makers
    Changelog
    New Product Hunt features and releases
  • Forums
    Forums
    Ask questions, find support, and connect
    Streaks
    The most active community members
    Events
    Meet others online and in-person
  • Advertise
Subscribe
Sign in
Crunch

Crunch

Insanely good PNG image optimization

•3 reviews•

20 followers

Visit website
  • Overview
  • Launches
  • Forums
  • Reviews
  • Team
  • Awards
  • Alternatives
  • More
  • Blog
  • •
  • Newsletter
  • •
  • Questions
  • •
  • Forums
  • •
  • Product Categories
  • •
  • Apps
  • •
  • About
  • •
  • FAQ
  • •
  • Terms
  • •
  • Privacy and Cookies
  • •
  • X.com
  • •
  • Facebook
  • •
  • Instagram
  • •
  • LinkedIn
  • •
  • YouTube
  • •
  • Advertise
© 2025 Product Hunt
Product status
Unclaimed
Awards
Crunch was ranked #2 of the day for March 25th, 2018
All Awards
Links
github.com/chrissimpkins/CrunchGitHub
Social
X.com
Makers
Chris Simpkins
All Makers

What is Crunch?

Crunch is a free, open source macOS GUI application that is built on pngquant and zopflipng PNG image optimization. It uses a lossy approach to PNG image optimization. The tool is available through Homebrew as a native macOS application. `$ brew cask install crunch` Image examples + compression ratio analysis available on the Github repository README. MIT license.

Do you use Crunch?

Crunch gallery image
Crunch gallery image
Crunch gallery image
Graphic design tools•Design resources

Recent Crunch Launches

Crunch 2.0
Crunch 2.0 Insane PNG image optimization

Launched on May 14th, 2018

Crunch
Crunch Insanely good PNG image optimization

Launched on March 24th, 2018

Crunch was ranked #2 of the day for March 25th, 2018
Crunch was ranked #2 of the day for March 25th, 2018

Forum Threads

Chris Simpkins
Chris Simpkins
•

7yr ago

Crunch - Insanely good PNG image optimization

Crunch is a free, open source macOS GUI application that is built on pngquant and zopflipng PNG image optimization. It uses a lossy approach to PNG image optimization. The tool is available through Homebrew as a native macOS application.

`$ brew cask install crunch`

Image examples + compression ratio analysis available on the Github repository README.

MIT license.

View all

Crunch Alternatives

Promo.com
Promo.com
260 reviews
Video editing
Piio
60 reviews
Website builders
Optimage
Optimage
7 reviews
Photo editing
View all Crunch alternatives

Reviews

Stas Kulesh
Stas Kulesh
UIQuill

UIQuill

•19 reviews

I've been using imageoptim for a while. Crunch takes it to the next level.

Share
Report
7yr ago
Seiichi Ariga
Seiichi Ariga
•1 review
Share
Report
7yr ago
Konstantin Gusev
Konstantin Gusev
•1 review
Share
Report
7yr ago