Whenever you need to crush your file down, especially PNGs I am using compress-or-die. It is very useful when you have to fulfill strict file-size requirements.Elmar Kirschner, Team Lead Digital Campaigns at .NFQ | Digital Creatives
Absolutely amazing compression. Never before have I had so much control over the compression and had such great compression results. Cannot but recommend.Kevin, irritable bowel syndrome coach at AnatomyFix
As a luxury brand, high-quality images are a must in our communications. Nevertheless, low loading time is one of the biggest factors for good UX. That's why we've been using compress or die since the beginning of the year to guarantee both.Tilman Werthschulte, Online Marketing Manager at DEDON GmbH, Luxury Outdoor Furniture
I've been building conservation-oriented websites for over ten years. The difference between this site and all the others I had used is incredible! The bars allow me to fine-tune compression levels and work to find the perfect compression level before hitting that download button. And the quality is incredible!Jon Hakim, Web Developer at wildcolumbia.org
Christoph's image compression tool is just brilliant. I have been using it for many years to reduce the filesize of my web graphics and photos. His knowledge about image compression is absolutely stunning. If you thought your image size is already small give compress-or-die a try. You will be impressed.Timo "Ostrich" Strauß, Creative Online Marketer at dreieck.com
CoD is one of my favorite production tools! The granular controls found in »expert mode« are critical for getting that perfect balance of quality and file size. Thank you SO much, Christoph!Tom Miller, owner of digital production company Creative Ocean, Inc.
COD helps compress hero banner images on our website and blog posts. The size reduction function helps us keep quality image resolution and reduce page loading times, thereby improving UX on our website.Esther, Director at Exodus Beauty
We build HTML5 banner paid media campaigns for video game and movie releases. We use Compress-Or-Die for all of our Jpg compression because the output is the best. Period. Lower file size without lower image quality helps us create better ads.David, owner of digital production company Department 5
During an exchange with an illustrator about another article, he asked me why the JPEG format is so bad at handling the color red. As an explanation, I have already run across several variants. So I simply answered the questions with the variant that seemed most plausible to me.
But was that really the right answer? And if we knew the right answer.... then can't we do something about it?
15 min read
Every now and then I come across tweets where users are upset about the lousy quality of their posted images after Twitter compresses them and doesn't speak well of Twitter.
But is the quality really that bad? Does Twitter really not care about image quality? Is Twitter trying to save storage space on its servers at all costs? Or are the users themselves to blame and have already uploaded their images in poor quality?
I took a closer look at what Twitter actually does with your images in the tweets.
18 min read
There are a lot of articles about online image compression tools in the net, most of them are very superficial. Usually they end with a simple: "It generates smaller pictures, so it's got to be better."
Learn why such statements are most of the time meaningless, understand the technical background, and find out which tool you should use as of today.
18 min read
If you always wanted to know how the JPEG compression works under the hood I want to recommend this article to you. It was important to me to write an article that is reasonable for every level of understanding.
Furthermore it contains 7 valuable tricks to reduce the file size of your JPEGs by exploiting the technical functionality of the JPEG compression algorithm.
22 min read
Ever wondered why some of your PNGs are of large file size while similar PNGs are so small?
Since this question comes up so often, I have written a follow-up to my article "Understanding JPEG" to explain the bare necessities of the PNG compression algorithm in layman's terms.
At the end you will also get 7 tips on how to get your PNGs to a REALLY small file size.
15 min read
Hi! I’m Christoph, working as a programmer/developer in Bielefeld/Germany.
Since I was building an advertising tool, I had to learn a lot about image file formats and compression.
This tool is some kind of a by-product and turned out to be my sweet little baby. So have fun using it! I hope it will help you as much as it does for me.
With their great support, the following patrons ensure that Compress-Or-Die is kept alive.
Have you ever wondered why the JPEG format shows such strong compression artifacts on red areas? Me too... and took a look at it in detail. 🧐 I also show a solution that can achieve better results with some images. compress-or-die.com/The-nasty-red-…
⚡ Important update to my article "Better image quality in your Twitter tweets": It is indeed possible to preserve the original quality of a JPG in a tweet if you follow some specific rules. 😮 Read more here: compress-or-die.com/Better-image-q…
Now and then I come across tweets where users are upset about the lousy quality of their posted images after Twitter compresses them. Does Twitter really not care about image quality? I took a closer look 🧐at what Twitter actually does with your images. compress-or-die.com/Better-image-q…
I assume the Chrome team is preparing a more detailed rationale for their decision on JPEG XL. It would have been better to first collect all the evidence and arguments, involve internal and external experts and the community in general, agree on what the facts are and ... (1/3)