google/guetzli: Perceptual JPEG encoder
Google have released this encoder for JPEGs which promises 20-30% smaller file sizes without any perceptible loss of quality.
Tags: jpeg
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WebPonize - webponize.github.io
A Mac app for converting PNGs and JPEGs to WebP.
Retina revolution
You’ve probably seen this already, but it’s really worth bearing in mind: when you’re scaling up JPGs for retina display you can safely reduce the image quality by quite a lot—to the point of getting the exact same file size as a higher quality image that’s half the size.
JPEGmini - Your Photos on a Diet!
This looks like a really handy tool for reducing the file size of JPEGs without any perceptible loss of quality (in much the same way that ImageOptim works for PNGs)—available as a Mac app or an installable web service.
Squirrel!
Here’s a brainbuster for ya: a single file that renders both as HTML and as a JPEG. As an HTML page, it even contains an img element with a src of …itself!
Compare the “view source” output with the generated source output to see it’s being interpreted.
Responsive image format - blog
An idea for handling responsive images not with a new format, but with an existing one: progressive JPGs.
How I Learned to Stop Worrying and Love Responsive Images — Paul Robert Lloyd
Here’s a great braindump from Paul following the Responsive Summit, detailing multiple ways of potentially tackling the issue of responsive images.