awesome-browser-hdr
github.com/cmahnke/awesome-browser-hdr ↗A List of Tools for browser HDR
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Add the Context Awesome MCP server to Claude, Cursor, or any MCP client, then ask:
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Installation instructions →What's inside
Tools
- and PythonOpen source image tools
- AppleJPEGGainMapApple HDR
- Applying Apple HDR effect to your photosApple HDR
- demoOpen source image tools
by
- Gainmap CreatorBrowser apps
Online encoder converting
- gainmaps.comBrowser apps
Browser based ISO 21496-1 / Ultra HDR JPEG converter,
Formats
- AVIF (HDR)Images
Supports
- BraveBrowser support
- ChromeBrowser support
Ultra HDR JPEG and HDR AVIF enabled by default, HDR video,
- FirefoxBrowser support
HDR video since Firefox 153, HDR images are not supported yet.
- Gain map specificationImages
The original Adobe specification.
- JPEG XLImages
Showcases and examples
- Avif HDR diagnostic page
- HDR demo gallery by Greg Benz
Gain map JPEG gallery.
- HDRify online demo
Viewer and converter for HDR, EXR and UltraHDR images, running in the browser.
- ICS Media HDR gallery demo
Photo gallery demo using
- JPEG Gain Map test photos
- JPEG XL HDR test page
Test images in JXL, PNG, JPEG and AVIF with different transfer functions.
Resources
- awesome-colourOther HDR awesome lists
A curated list of colour science resources.
- Awesome-Deep-HDROther HDR awesome lists
A collection of deep learning based methods for HDR image synthesis.
- Awesome-HDROther HDR awesome lists
Collect High Dynamic Range Imaging (especially for Multi-exposure Fusion and High Dynamic Range Imaging) Related Papers and Codes.
- Awesome HDR DeghostingOther HDR awesome lists
A curated list of multi-frame HDR deghosting resources.
- awesome-hdr-imagingOther HDR awesome lists
A collection of methods for high dynamic range imaging High dynamic range imaging is an important topic on image processing, especially in mobile photography.
- Greg Benz gain maps in Adobe Camera RawExamples
Blog articles
- Axton: 不止更亮 (Not just brighter): Using HDR in the Web
Deep dive into HDR images in browsers, covering gain map JPEG metadata (legacy UltraHDR XMP vs ISO 21496-1),
- Chrome for Developers: What's New in WebGPU (Chrome 129)
HDR support with the canvas tone mapping mode.
- ICS Media: HDR on the web
Overview of HDR support in browsers, with demos (2026).
- WebKit: Features for Safari 27.0
Improved decoding and rendering of HDR images with gain maps.
- WebKit: Features in Safari 26.0
HDR images on the web in the Safari 26 release.
- WebKit: News from WWDC25
Announcement of HDR images and
Glossary
- Gain map
A secondary image embedded in an otherwise regular file, encoding how much to brighten each pixel of the SDR base image to produce the HDR rendition. Files carry either the
- HDR
High dynamic range describes content with a dynamic range beyond
- Transfer functions
The mapping of signal values to display brightness:
- WCG
Wide color gamut describes color spaces beyond
Browser and JavaScript libraries
- three.js
Built-in three.js addon for loading Ultra HDR images, supports ISO 21496-1 and legacy XMP metadata.
Showing a sample of 56 resources. View the full list on GitHub →