diff --git a/README.md b/README.md
index c9cb69fb..6e556887 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ This is **not** an addon-pack like [ShaguUI](http://shagu.org/ShaguUI/), however
     /castfocus    Same as /cast but for focus frame
     /clearfocus   Clears the Focus-Frame
     /swapfocus    Toggle Focus and Target-Frame
+    /pftest       Toggle pfUI Unitframe Test Mode
     /abp          Addon Button Panel
 
 ## Languages
diff --git a/api/unitframes.lua b/api/unitframes.lua
index dca423d8..7a1eaecf 100644
--- a/api/unitframes.lua
+++ b/api/unitframes.lua
@@ -14,6 +14,12 @@ end)
 pfUI.uf.frames = {}
 pfUI.uf.delayed = {}
 
+-- slash command to toggle unitframe test mode
+_G.SLASH_PFTEST1, _G.SLASH_PFTEST2 = "/pftest", "/pfuftest"
+_G.SlashCmdList.PFTEST = function()
+  pfUI.uf.showall = not pfUI.uf.showall
+end
+
 local scanner
 local glow = {
   edgeFile = pfUI.media["img:glow"], edgeSize = 8,