diff --git a/plugins/tiddlywiki/katex/katex-logo.tid b/plugins/tiddlywiki/katex/katex-logo.tid
new file mode 100644
index 000000000..994e0f0b8
--- /dev/null
+++ b/plugins/tiddlywiki/katex/katex-logo.tid
@@ -0,0 +1,3 @@
+title: $:/plugins/tiddlywiki/katex/katex-logo
+
+$$\KaTeX$$
diff --git a/plugins/tiddlywiki/katex/snippets/logo.tid b/plugins/tiddlywiki/katex/snippets/logo.tid
new file mode 100644
index 000000000..1e634a139
--- /dev/null
+++ b/plugins/tiddlywiki/katex/snippets/logo.tid
@@ -0,0 +1,4 @@
+title: $:/plugins/tiddlywiki/katex/snippets/logo
+tags: $:/tags/KaTeX/Snippet
+
+$$\KaTeX$$
diff --git a/plugins/tiddlywiki/katex/ui/EditorToolbar/katex-dropdown.tid b/plugins/tiddlywiki/katex/ui/EditorToolbar/katex-dropdown.tid
new file mode 100644
index 000000000..16349b45c
--- /dev/null
+++ b/plugins/tiddlywiki/katex/ui/EditorToolbar/katex-dropdown.tid
@@ -0,0 +1,53 @@
+title: $:/plugins/tiddlywiki/katex/ui/EditorToolbar/katex-dropdown
+
+\define toolbar-button-stamp-inner()
+<$button tag="a">
+
+<$action-sendmessage
+	$message="tm-edit-text-operation"
+	$param="replace-selection"
+	text={{$(snippetTitle)$}}
+/>
+
+<$action-deletetiddler
+	$tiddler=<<dropdown-state>>
+/>
+
+<$view tiddler=<<snippetTitle>> field="caption" mode="inline">
+
+<$transclude tiddler=<<snippetTitle>> mode="inline"/>
+
+</$view>
+
+</$button>
+\end
+
+<$list filter="[all[shadows+tiddlers]tag[$:/tags/KaTeX/Snippet]!has[draft.of]sort[caption]]" variable="snippetTitle">
+
+<<toolbar-button-stamp-inner>>
+
+</$list>
+
+----
+
+<$button tag="a">
+
+<$action-sendmessage
+	$message="tm-new-tiddler"
+	tags="$:/tags/KaTeX/Snippet"
+	text="""$$snippet$$"""
+/>
+
+<$action-deletetiddler
+	$tiddler=<<dropdown-state>>
+/>
+
+<em>
+
+<$text text={{$:/language/Buttons/Stamp/Caption/New}}/>
+
+</em>
+
+</$button>
+
+[ext[KaTeX functions catalogue|https://khan.github.io/KaTeX/function-support.html]]
diff --git a/plugins/tiddlywiki/katex/ui/EditorToolbar/katex.tid b/plugins/tiddlywiki/katex/ui/EditorToolbar/katex.tid
new file mode 100644
index 000000000..3720257d5
--- /dev/null
+++ b/plugins/tiddlywiki/katex/ui/EditorToolbar/katex.tid
@@ -0,0 +1,8 @@
+title: $:/plugins/tiddlywiki/katex/ui/EditorToolbar/katex
+tags: $:/tags/EditorToolbar
+icon: $:/plugins/tiddlywiki/katex/katex-logo
+caption: katex
+description: create and insert preconfigured KaTeX snippets
+condition: [<targetTiddler>!is[image]]
+dropdown: $:/plugins/tiddlywiki/katex/ui/EditorToolbar/katex-dropdown
+text: