LizardQ Viewer

The LizardQ Viewer is the indispensable tool for viewing panoramic or full spherical HDR images – as well as presenting your work to any audience. It is free software and can be distributed freely.


Viewer screenshot

View, pan, zoom

View panoramic images in RADIANCE (HDR) or JPEG format, look around, zoom in&out and adjust brightness to inspect every detail.
Viewer screenshot

A versatile tool

The viewer can show your images in different projection geometries, tone-map HDR images down to 8 bits per color channel, display selected color channels only and more.

No installation required

Enable your customers to view HDR images with minimum effort! Delivered as a stand-alone application for Windows and Mac OS X that does not require installation or administrator privileges, the LizardQ Viewer is perfect for use in controlled IT environments, where individual users are restricted from installing any software. Also runs directly from USB stick or memory card.

Free (as in beer)

It's free

The viewer is free (as in beer) and may be distributed without limits.

Features in detail

  • Supports RADIANCE (*.hdr) and JPEG images
  • Pan, zoom and adjust brightness with mouse and keyboard controls
  • Full screen display
  • Tone-mapped display of HDR images
  • Auto-rotate for demonstration use
  • Open images by drag&drop
  • Open images via command line argument, useful for embedding into 3rd party applications
  • Different projection geometries
  • Stand-alone application, installation not required, runs from USB stick
  • Did we mention it's free to download and distribute?

Hardware requirements

  • Windows or Mac OS X
  • OpenGL 2.0 capable graphics hardware

License and disclaimer

Permission is hereby granted, free of charge, to any person or organization obtaining a copy of the LizardQ Viewer covered by this license (the "Software") to use, reproduce, display, distribute, execute, and transmit the Software, and to permit third-parties to whom the Software is furnished to do so, all subject to the following:

The copyright notices in the Software and this entire statement, including the above license grant, this restriction and the following disclaimer, must be included in all copies of the Software, in whole or in part.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

This software is based in part on the work of the Independent JPEG Group.