I am using Adobe Fireworks CS6, and the maximum width I can set of my image is 5900 pixels.

Attempting to resize it larger than this results in no action.

The PC I am on is high-spec.

Does Fireworks have a built-in maximum image size?

I think I will try Illustrator to get the image up to the required 10000px width.

  • Last time I heard, FW max size was 6000px.
    – Joonas
    Sep 11, 2012 at 8:10

1 Answer 1


There is a quite old thread on Adobe forums where speculation is made that it's because Fireworks is a screen-specific tool and this behavior might change in the future.

However, you can change the limit.

Make sure that Fireworks is closed, open Fireworks CS6 Preferences.txt file located in:

  • Windows 7/Vista: C:\Users\USERNAME\AppData\Roaming\Adobe\Fireworks CS6\English\
  • Windows XP: C:\Documents and Settings\USERNAME\AppData\Roaming\Adobe\Fireworks CS6\English\
  • MacOS X: Library/Preferences/Adobe Fireworks CS6/en/

and change




or adjust this number as needed.

  • Just as additional information, I recently tried to increase this value > 10,000 and I get a series of 'An invalid value was entered' errors in the application. I think 10,000 may be a hard limit. Oct 21, 2013 at 13:25
  • Doh, just came back to my own comment 6 months later...anyone know how to open files over 10000 pixels? Apr 10, 2014 at 8:55
  • WIndows 10, Fireworks CS5 - this still works.
    – mbowles
    May 7, 2019 at 17:14
  • Thanks so much, this was the only "good" answer I found online, everyone else just copped out by saying use Illustrator, which I love already and use a lot, but I needed ultra high resolution for a specific "raster" project (multiple sheet grid, which fireworks handles great). It worked fantastically on CS6 (though "Image Size" specifically has a hard limit of 10000, which is fine) and even let me set it to 12000 pixels. You are a life saver!!!
    – jacktrader
    Feb 27, 2021 at 10:35

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