• For first time installation

  • Drag the Zip file into Blender and click OK
  • Search for Shapekey Tools in Preferences > Add-ons
  • Make sure Shapekey Tools is enabled
  • Press shortcut key N in viewport to open the N-Panel

• For update from previous version to 1.3.0 and later

  • Drag the Zip file into Blender and click OK
  • Restart Blender to complete the update

• For update from version 1.3.0

  • Press Update button to update the addon online
  • In case it's not working, please manually Download Latest Version
  • Press Install button and select Zip file to update the addon

This is a Blender add-on for one-click to split or merge L/R shapekeys, and create new shapekey below the selected

• Author: namakoshiro
• Version: 1.3.1
• Last Updated: 2025/3/17

• New Empty Shapekey

  • Add a new empty shapekey below the selected

• New Shapekey from Mix

  • Capture the current mix as a new shapekey below the selected

• Delete All Except Locked

  • Delete all shapekeys except basis and locked ones

• Mirror Shapekey

  • Generate a mirrored version of the selected shapekey below the selected

• Split Shapekey L/R

  • Split a shapekey into L/R versions below the selected

• Smoothly Split Mouth L/R

  • Smoothly split mouth shapekey into L/R with weighted transition
  • Animations of teeth and tongue will be scaled down but won't be tilted like lips

• Select All Affected Vertices

  • Select all vertices affected of the selected shapekey in Edit Mode

• 1.3.1 (2025/3/17)

  • New feature: Select All Affected Vertices

• 1.3.0 (2025/3/14)

  • Convert to multi-file system
  • New feature: Update from online/local

• 1.2.2 (2025/1/16)

  • Change info name to "Shapekey Tools"
  • Change info category to "Rigging"

• 1.2.1 (2025/1/16)

  • Feature: Delete All Except Locked only available on Blender ≥ 4.2
  • Enhance functions

• 1.2.0 (2025/1/15)

  • New Feature: Delete All Except Locked
  • New Feature: Smoothly Split Mouth L/R
  • Enhance functions
  • Fix problems

• 1.1.2 (2025/1/14)

  • New Feature: Smoothly Split Mouth L/R (Experimental)
  • Fix problems

• 1.1.0 (2025/1/13)

  • Add support for Blender version from 2.80 to 4.3
  • Enhance UI
  • Enhance functions

• 1.0.0 (2025/1/12)

  • Public release