Fix HiediSQL blurry in Windows 10

Tested with Windows 10 and Heidi V 11.0.0.

  1. Locate your .exe , probably in C:\Program Files\HeidiSQL
  2. Right click and Select ‘Properties’
  3. Go to ‘Compatibility’ tab
  4. Check ‘High DPI scaling Override, Override high DPI scaling Behaviour.
    Scaling performed by “Application”
  5. Click Ok
  6. Click Apply.


If there are further scaling issues hiding text etc and with fonts these can be reduced in size or changed under Session Manager > More > Preferences > General

There’s also delicious dark mode in the most recent versions


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