Articles on: Troubleshooting

How to Enable WebGL in Major Browsers

How to Enable WebGL in Major Browsers


Our slicer uses WebGL to render advanced 2D and 3D graphics in your browser using your computer’s GPU. If you’re encountering WebGL-related errors or performance issues, this guide walks you through enabling WebGL across popular browsers.



Google Chrome (and Chromium-based browsers like Edge)


Steps to Enable WebGL:


  1. Go to Settings → System (or visit chrome://settings/system).
  2. Enable Use hardware acceleration when available, then Relaunch the browser.
  3. Visit chrome://flags, search for WebGL, and enable WebGL Draft Extensions. Relaunch again.
  4. (Optional) Enable Override software rendering list via flags if needed.
  5. To verify, go to chrome://gpu and check if WebGL appears as Hardware accelerated.


Official Help:




Mozilla Firefox


Steps to Enable WebGL:


  1. Navigate to about:config.
  2. Search and verify settings:
  • webgl.disabled should be set to false
  • (Optional) Set webgl.force-enabled to true
  1. (Optional) Start Firefox in Safe Mode to rule out extension conflicts.
  2. Visit about:support and review the Graphics section to check your WebGL status.


Official Help:




Apple Safari (macOS & iOS)


macOS Safari (Desktop):


  1. Open Preferences → Advanced and check Show Develop menu in menu bar.
  2. From the Develop menu → Experimental Features, enable WebGL or WebGL 2.0.
  3. (Optional) In some cases, enable via Terminal:


   defaults write com.apple.Safari WebKitPreferences.webGLEnabled 1


Then restart Safari.


iOS Safari (iPhone/iPad):


  • Navigate to Settings → Safari → Advanced → Experimental Features → toggle WebGL 2.0 if available.


Official Help:




Microsoft Edge (Chromium-based)


Steps to Enable WebGL:


  1. Go to Settings → System (or edge://settings/system) and toggle Use hardware acceleration when available, then relaunch.
  2. Open edge://flags, search for WebGL, enable WebGL Draft Extensions, and relaunch again.
  3. Use edge://gpu to check if WebGL is Hardware accelerated.
  4. If issues persist, reset flags to default or update graphics drivers.


Official Help:




Further Resources


  • Test your setup: get.webgl.org
  • Troubleshooting: Update graphics drivers and ensure no conflicting extensions are blocking GPU access.


Updated on: 12/08/2025

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