Jump to content

Support for JPEG image + HDR Gain Maps

Recommended Posts


This message is intended for the Squarespace dev team. 

Google Chrome 116 or higher recently released support for JPEG + HDR Gain Maps to show higher dynamic range on capable HDR/XDR displays.

These HDR gain map JPEG files are now supported/exported in Adobe Software (Adobe Camera Raw in Photoshop and Adobe Lightroom).  

I would like to publish these JPEGs to Squarespace and then preview them in Chrome. However, Squarespace strips the JPEG Gain Map metadata from the file and therefore only previews as SDR on an HDR capable monitor. 

Reference files attached: The first file is the JPEG+Gain Map file (which looks great in Chrome!) and then the second file is what Squarespace generates after publishing to my site. 

Please consider supporting JPEG + Gain Maps. 


Barry Young

Senior Director of Engineering for Adobe Lightroom


P.S Here is a primer on HDR and Gain Maps if you are unfamiliar: https://gregbenzphotography.com/hdr-images/jpg-hdr-gain-maps-in-adobe-camera-raw/



Link to comment
  • Replies 4
  • Views 1.9k
  • Created
  • Last Reply

Top Posters In This Topic

Popular Days

Top Posters In This Topic

Posted Images

  • 4 weeks later...
33 minutes ago, Cliffff said:

I would very much be interested in knowing when support for gain maps and this new HDR format will be supported by squarespace websites.

The folks on this forum are users like yourself. We have no inside knowledge about Squarespace's plans.

Given what I've seen of SS's behaviour I wouldn't expect JPEG-HDR to be supported anytime soon. SS doesn't even support webp.

As far as I can tell JPEG-HDR has virtually no use penetration on websites statistically. Certainly less than webp.


Find my contributions useful? Please like, upvote, mark my answer as the best ( solution ), and see my profile. Thanks for your support! I am a Squarespace ( and other technological things ) consultant open for new projects.

Link to comment

Create an account or sign in to comment

You need to be a member in order to leave a comment

  • Create New...

Squarespace Webinars

Free online sessions where you’ll learn the basics and refine your Squarespace skills.

Hire a Designer

Stand out online with the help of an experienced designer or developer.