diff --git a/Demo.html b/Demo.html
index 6c5095e..d778e88 100644
--- a/Demo.html
+++ b/Demo.html
@@ -85,6 +85,7 @@
   <span id="makeLink" class="prompt">Link</span>
   </p>
   <p>
+    <span id="makeHeader">Make Header</span>
     <span id="increaseQuoteLevel">Quote</span>
     <span id="decreaseQuoteLevel">Dequote</span>
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
@@ -114,6 +115,18 @@
           a: {'target': '_blank'}
       }
   });
+  Squire.prototype.makeHeader = function() {
+    return this.modifyBlocks( function( frag ) {
+      var output = this._doc.createDocumentFragment();
+      var block = frag;
+      while ( block = Squire.getNextBlock( block ) ) {
+        output.appendChild(
+          this.createElement( 'h2', [ Squire.empty( block ) ] )
+        );
+      }
+      return output;
+    });
+  };
 
   document.addEventListener( 'click', function ( e ) {
     var id = e.target.id,
diff --git a/build/squire-raw.js b/build/squire-raw.js
index 8896e2e..a26a065 100644
--- a/build/squire-raw.js
+++ b/build/squire-raw.js
@@ -4481,6 +4481,21 @@ proto.removeList = command( 'modifyBlocks', removeList );
 proto.increaseListLevel = command( 'modifyBlocks', increaseListLevel );
 proto.decreaseListLevel = command( 'modifyBlocks', decreaseListLevel );
 
+// Node.js exports
+Squire.isInline = isInline;
+Squire.isBlock = isBlock;
+Squire.isContainer = isContainer;
+Squire.getBlockWalker = getBlockWalker;
+Squire.getPreviousBlock = getPreviousBlock;
+Squire.getNextBlock = getNextBlock;
+Squire.areAlike = areAlike;
+Squire.hasTagAttributes = hasTagAttributes;
+Squire.getNearest = getNearest;
+Squire.isOrContains = isOrContains;
+Squire.detach = detach;
+Squire.replaceWith = replaceWith;
+Squire.empty = empty;
+
 // Range.js exports
 Squire.getNodeBefore = getNodeBefore;
 Squire.getNodeAfter = getNodeAfter;
diff --git a/build/squire.js b/build/squire.js
index bf1b8a0..7cb6b31 100644
--- a/build/squire.js
+++ b/build/squire.js
@@ -1,2 +1,2 @@
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if(!e.querySelector("BR"))for(n=S(s,"BR");(o=e.lastElementChild)&&!a(o);)e=o;if(n)try{e.appendChild(n)}catch(l){r.didError({name:"Squire: fixCursor – "+l,message:"Parent: "+e.nodeName+"/"+e.innerHTML+" appendChild: "+n.nodeName})}return d}function T(e,t){var n,o,i,r,s=e.childNodes,l=e.ownerDocument,c=null,h=t.__squire__._config;for(n=0,o=s.length;o>n;n+=1)i=s[n],r="BR"===i.nodeName,!r&&a(i)?(c||(c=S(l,h.blockTag,h.blockAttributes)),c.appendChild(i),n-=1,o-=1):(r||c)&&(c||(c=S(l,h.blockTag,h.blockAttributes)),y(c,t),r?e.replaceChild(c,i):(e.insertBefore(c,i),n+=1,o+=1),c=null),d(i)&&T(i,t);return c&&e.appendChild(y(c,t)),e}function b(e,t,n,o){var i,r,a,s=e.nodeType;if(s===F&&e!==n)return b(e.parentNode,e.splitText(t),n,o);if(s===w){if("number"==typeof t&&(t=t<e.childNodes.length?e.childNodes[t]:null),e===n)return 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\ No newline at end of file
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this},hn.hasFormat=function(e,t,o){if(e=e.toUpperCase(),t||(t={}),!o&&!(o=this.getSelection()))return!1;!o.collapsed&&o.startContainer.nodeType===F&&o.startOffset===o.startContainer.length&&o.startContainer.nextSibling&&o.setStartBefore(o.startContainer.nextSibling),!o.collapsed&&o.endContainer.nodeType===F&&0===o.endOffset&&o.endContainer.previousSibling&&o.setEndAfter(o.endContainer.previousSibling);var i,r,a=this._root,s=o.commonAncestorContainer;if(p(s,a,e,t))return!0;if(s.nodeType===F)return!1;i=new n(s,W,function(e){return Ot(o,e,!0)},!1);for(var d=!1;r=i.nextNode();){if(!p(r,a,e,t))return!1;d=!0}return d},hn.getFontInfo=function(e){var n,o,i,r={color:t,backgroundColor:t,family:t,size:t},a=0;if(!e&&!(e=this.getSelection()))return r;if(n=e.commonAncestorContainer,e.collapsed||n.nodeType===F)for(n.nodeType===F&&(n=n.parentNode);4>a&&n;)(o=n.style)&&(!r.color&&(i=o.color)&&(r.color=i,a+=1),!r.backgroundColor&&(i=o.backgroundColor)&&(r.backgroundColor=i,a+=1),!r.family&&(i=o.fontFamily)&&(r.family=i,a+=1),!r.size&&(i=o.fontSize)&&(r.size=i,a+=1)),n=n.parentNode;return r},hn._addFormat=function(e,t,o){var i,r,s,d,l,c,h,u,f,g=this._root;if(o.collapsed){for(i=y(this.createElement(e,t),g),Bt(o,i),o.setStart(i.firstChild,i.firstChild.length),o.collapse(!0),f=i;a(f);)f=f.parentNode;gn(f,i)}else{if(r=new n(o.commonAncestorContainer,W|z,function(e){return(e.nodeType===F||"BR"===e.nodeName||"IMG"===e.nodeName)&&Ot(o,e,!0)},!1),s=o.startContainer,l=o.startOffset,d=o.endContainer,c=o.endOffset,r.currentNode=s,r.filter(s)||(s=r.nextNode(),l=0),!s)return o;do h=r.currentNode,u=!p(h,g,e,t),u&&(h===d&&h.length>c&&h.splitText(c),h===s&&l&&(h=h.splitText(l),d===s&&(d=h,c-=l),s=h,l=0),i=this.createElement(e,t),C(h,i),i.appendChild(h));while(r.nextNode());d.nodeType!==F&&(h.nodeType===F?(d=h,c=h.length):(d=h.parentNode,c=1)),o=this._createRange(s,l,d,c)}return o},hn._removeFormat=function(e,t,n,o){this._saveRangeToBookmark(n);var i,r=this._doc;n.collapsed&&(ht?(i=r.createTextNode(Y),this._didAddZWS()):i=r.createTextNode(""),Bt(n,i));for(var s=n.commonAncestorContainer;a(s);)s=s.parentNode;var d=n.startContainer,l=n.startOffset,c=n.endContainer,h=n.endOffset,u=[],p=function(e,t){if(!Ot(n,e,!1)){var o,i,r=e.nodeType===F;if(!Ot(n,e,!0))return void("INPUT"===e.nodeName||r&&!e.data||u.push([t,e]));if(r)e===c&&h!==e.length&&u.push([t,e.splitText(h)]),e===d&&l&&(e.splitText(l),u.push([t,e]));else for(o=e.firstChild;o;o=i)i=o.nextSibling,p(o,t)}},g=Array.prototype.filter.call(s.getElementsByTagName(e),function(o){return Ot(n,o,!0)&&f(o,e,t)});return 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t&&(this.setSelection(n),this._updatePath(n,!0),ft||this._docWasChanged()),this},hn.modifyBlocks=function(e,t){if(!t&&!(t=this.getSelection()))return this;this._isInUndoState?this._saveRangeToBookmark(t):this._recordUndoState(t);var n,o=this._root;return Mt(t,o),Rt(t,o),n=xt(t,o,o),Bt(t,e.call(this,n)),t.endOffset<t.endContainer.childNodes.length&&x(t.endContainer.childNodes[t.endOffset],o),x(t.startContainer.childNodes[t.startOffset],o),this._getRangeAndRemoveBookmark(t),this.setSelection(t),this._updatePath(t,!0),ft||this._docWasChanged(),this};var Nn=function(e){return this.createElement("BLOCKQUOTE",this._config.tagAttributes.blockquote,[e])},Sn=function(e){var t=this._root,n=e.querySelectorAll("blockquote");return Array.prototype.filter.call(n,function(e){return!p(e.parentNode,t,"BLOCKQUOTE")}).forEach(function(e){C(e,N(e))}),e},yn=function(){return this.createDefaultBlock([this.createElement("INPUT",{id:mn,type:"hidden"}),this.createElement("INPUT",{id:vn,type:"hidden"})])},Tn=function(e,t,n){for(var o,i,r,a,s=l(t,e._root),d=e._config.tagAttributes,c=d[n.toLowerCase()],h=d.li;o=s.nextNode();)"LI"===o.parentNode.nodeName&&(o=o.parentNode,s.currentNode=o.lastChild),"LI"!==o.nodeName?(a=e.createElement("LI",h),o.dir&&(a.dir=o.dir),(r=o.previousSibling)&&r.nodeName===n?(r.appendChild(a),_(o)):C(o,e.createElement(n,c,[a])),a.appendChild(N(o)),s.currentNode=a):(o=o.parentNode,i=o.nodeName,i!==n&&/^[OU]L$/.test(i)&&C(o,e.createElement(n,c,[N(o)])))},bn=function(e){return Tn(this,e,"UL"),e},En=function(e){return Tn(this,e,"OL"),e},kn=function(e){var t,n,o,i,r,a=e.querySelectorAll("UL, OL"),d=e.querySelectorAll("LI"),l=this._root;for(t=0,n=a.length;n>t;t+=1)o=a[t],i=N(o),T(i,l),C(o,i);for(t=0,n=d.length;n>t;t+=1)r=d[t],s(r)?C(r,this.createDefaultBlock([N(r)])):(T(r,l),C(r,N(r)));return e},Bn=function(e){var t,n,o,i,r,a,s=e.querySelectorAll("LI"),l=this._config.tagAttributes;for(t=0,n=s.length;n>t;t+=1)o=s[t],d(o.firstChild)||(i=o.parentNode.nodeName,r=o.previousSibling,r&&(r=r.lastChild)&&r.nodeName===i||(a=l[i.toLowerCase()],r=this.createElement(i,a),C(o,r)),r.appendChild(o));return e},xn=function(e){var t=this._root,n=e.querySelectorAll("LI");return Array.prototype.filter.call(n,function(e){return!d(e.firstChild)}).forEach(function(n){var o,i=n.parentNode,r=i.parentNode,a=n.firstChild,s=a;if(n.previousSibling&&(i=b(i,n,r,t)),/^[OU]L$/.test(r.nodeName))r.insertBefore(n,i),i.firstChild||r.removeChild(i);else for(;s&&(o=s.nextSibling,!d(s));)r.insertBefore(s,i),s=o;for("LI"===r.nodeName&&a.previousSibling&&b(r,a,r.parentNode,t);n!==e&&!n.childNodes.length;)i=n.parentNode,i.removeChild(n),n=i},this),T(e,t),e};hn._ensureBottomLine=function(){var e=this._root,t=e.lastElementChild;t&&t.nodeName===this._config.blockTag&&s(t)||e.appendChild(this.createDefaultBlock())},hn.setKeyHandler=function(e,t){return this._keyHandlers[e]=t,this},hn._getHTML=function(){return this._root.innerHTML},hn._setHTML=function(e){var t=this._root,n=t;n.innerHTML=e;do y(n,t);while(n=h(n,t));this._ignoreChange=!0},hn.getHTML=function(e){var t,n,o,i,r,a,s=[];if(e&&(a=this.getSelection())&&this._saveRangeToBookmark(a),ct)for(t=this._root,n=t;n=h(n,t);)n.textContent||n.querySelector("BR")||(o=this.createElement("BR"),n.appendChild(o),s.push(o));if(i=this._getHTML().replace(/\u200B/g,""),ct)for(r=s.length;r--;)_(s[r]);return a&&this._getRangeAndRemoveBookmark(a),i},hn.setHTML=function(e){var t,n,o,i=this._config,r=i.isSetHTMLSanitized?i.sanitizeToDOMFragment:null,a=this._root;"function"==typeof r?n=r(e,!1):(t=this.createElement("DIV"),t.innerHTML=e,n=this._doc.createDocumentFragment(),n.appendChild(N(t))),en(n),rn(n,a),T(n,a);for(var s=n;s=h(s,a);)y(s,a);for(this._ignoreChange=!0;o=a.lastChild;)a.removeChild(o);a.appendChild(n),y(a,a),this._undoIndex=-1,this._undoStack.length=0,this._undoStackLength=0,this._isInUndoState=!1;var d=this._getRangeAndRemoveBookmark()||this._createRange(a.firstChild,0);return this.saveUndoState(d),this._lastSelection=d,D.call(this),this._updatePath(d,!0),this},hn.insertElement=function(e,t){if(t||(t=this.getSelection()),t.collapse(!0),a(e))Bt(t,e),t.setStartAfter(e);else{for(var n,o,i=this._root,r=Ut(t,i)||i;r!==i&&!r.nextSibling;)r=r.parentNode;r!==i&&(n=r.parentNode,o=b(n,r.nextSibling,i,i)),o?i.insertBefore(e,o):(i.appendChild(e),o=this.createDefaultBlock(),i.appendChild(o)),t.setStart(o,0),t.setEnd(o,0),Dt(t)}return this.focus(),this.setSelection(t),this._updatePath(t),ft||this._docWasChanged(),this},hn.insertImage=function(e,t){var n=this.createElement("IMG",A({src:e},t,!0));return this.insertElement(n),n};var Ln=/\b((?:(?:ht|f)tps?:\/\/|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,}\/)(?:[^\s()<>]+|\([^\s()<>]+\))+(?:\((?:[^\s()<>]+|(?:\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))|([\w\-.%+]+@(?:[\w\-]+\.)+[A-Z]{2,}\b)/i,An=function(e,t,o){for(var i,r,a,s,d,l,c,h=e.ownerDocument,u=new n(e,W,function(e){return!p(e,t,"A")},!1),f=o._config.tagAttributes.a;i=u.nextNode();)for(r=i.data,a=i.parentNode;s=Ln.exec(r);)d=s.index,l=d+s[0].length,d&&(c=h.createTextNode(r.slice(0,d)),a.insertBefore(c,i)),c=o.createElement("A",A({href:s[1]?/^(?:ht|f)tps?:/.test(s[1])?s[1]:"http://"+s[1]:"mailto:"+s[2]},f,!1)),c.textContent=r.slice(d,l),a.insertBefore(c,i),i.data=r=r.slice(l)};hn.insertHTML=function(e,t){var n,o,i,r,a,s,d,l=this._config,c=l.isInsertedHTMLSanitized?l.sanitizeToDOMFragment:null,u=this.getSelection(),f=this._doc;"function"==typeof c?r=c(e,t):(t&&(n=e.indexOf("<!--StartFragment-->"),o=e.lastIndexOf("<!--EndFragment-->"),n>-1&&o>-1&&(e=e.slice(n+20,o))),i=this.createElement("DIV"),i.innerHTML=e,r=f.createDocumentFragment(),r.appendChild(N(i))),this.saveUndoState(u);try{for(a=this._root,s=r,d={fragment:r,preventDefault:function(){this.defaultPrevented=!0},defaultPrevented:!1},An(r,r,this),en(r),rn(r,null),tn(r),r.normalize();s=h(s,r);)y(s,null);t&&this.fireEvent("willPaste",d),d.defaultPrevented||(At(u,d.fragment,a),ft||this._docWasChanged(),u.collapse(!1),this._ensureBottomLine()),this.setSelection(u),this._updatePath(u,!0),t&&this.focus()}catch(p){this.didError(p)}return this};var On=function(e){return e.split("&").join("&amp;").split("<").join("&lt;").split(">").join("&gt;").split('"').join("&quot;")};hn.insertPlainText=function(e,t){var n,o,i,r,a=e.split("\n"),s=this._config,d=s.blockTag,l=s.blockAttributes,c="</"+d+">",h="<"+d;for(n in l)h+=" "+n+'="'+On(l[n])+'"';for(h+=">",o=0,i=a.length;i>o;o+=1)r=a[o],r=On(r).replace(/ (?= )/g,"&nbsp;"),o&&i>o+1&&(r=h+(r||"<BR>")+c),a[o]=r;return this.insertHTML(a.join(""),t)};var Dn=function(e,t,n){return function(){return this[e](t,n),this.focus()}};hn.addStyles=function(e){if(e){var t=this._doc.documentElement.firstChild,n=this.createElement("STYLE",{type:"text/css"});n.appendChild(this._doc.createTextNode(e)),t.appendChild(n)}return this},hn.bold=Dn("changeFormat",{tag:"B"}),hn.italic=Dn("changeFormat",{tag:"I"}),hn.underline=Dn("changeFormat",{tag:"U"}),hn.strikethrough=Dn("changeFormat",{tag:"S"}),hn.subscript=Dn("changeFormat",{tag:"SUB"},{tag:"SUP"}),hn.superscript=Dn("changeFormat",{tag:"SUP"},{tag:"SUB"}),hn.removeBold=Dn("changeFormat",null,{tag:"B"}),hn.removeItalic=Dn("changeFormat",null,{tag:"I"}),hn.removeUnderline=Dn("changeFormat",null,{tag:"U"}),hn.removeStrikethrough=Dn("changeFormat",null,{tag:"S"}),hn.removeSubscript=Dn("changeFormat",null,{tag:"SUB"}),hn.removeSuperscript=Dn("changeFormat",null,{tag:"SUP"}),hn.makeLink=function(e,t){var n=this.getSelection();if(n.collapsed){var o=e.indexOf(":")+1;if(o)for(;"/"===e[o];)o+=1;Bt(n,this._doc.createTextNode(e.slice(o)))}return t=A(A({href:e},t,!0),this._config.tagAttributes.a,!1),this.changeFormat({tag:"A",attributes:t},{tag:"A"},n),this.focus()},hn.removeLink=function(){return this.changeFormat(null,{tag:"A"},this.getSelection(),!0),this.focus()},hn.setFontFace=function(e){return this.changeFormat(e?{tag:"SPAN",attributes:{"class":"font",style:"font-family: "+e+", sans-serif;"}}:null,{tag:"SPAN",attributes:{"class":"font"}}),this.focus()},hn.setFontSize=function(e){return this.changeFormat(e?{tag:"SPAN",attributes:{"class":"size",style:"font-size: "+("number"==typeof e?e+"px":e)}}:null,{tag:"SPAN",attributes:{"class":"size"}}),this.focus()},hn.setTextColour=function(e){return this.changeFormat(e?{tag:"SPAN",attributes:{"class":"colour",style:"color:"+e}}:null,{tag:"SPAN",attributes:{"class":"colour"}}),this.focus()},hn.setHighlightColour=function(e){return this.changeFormat(e?{tag:"SPAN",attributes:{"class":"highlight",style:"background-color:"+e}}:e,{tag:"SPAN",attributes:{"class":"highlight"}}),this.focus()},hn.setTextAlignment=function(e){return this.forEachBlock(function(t){t.className=(t.className.split(/\s+/).filter(function(e){return!/align/.test(e)}).join(" ")+" align-"+e).trim(),t.style.textAlign=e},!0),this.focus()},hn.setTextDirection=function(e){return this.forEachBlock(function(t){t.dir=e},!0),this.focus()},hn.removeAllFormatting=function(e){if(!e&&!(e=this.getSelection())||e.collapsed)return this;for(var t=this._root,n=e.commonAncestorContainer;n&&!s(n);)n=n.parentNode;if(n||(Mt(e,t),n=t),n.nodeType===F)return this;this.saveUndoState(e),Rt(e,n);for(var o,i,r=n.ownerDocument,a=e.startContainer,d=e.startOffset,l=e.endContainer,c=e.endOffset,h=r.createDocumentFragment(),u=r.createDocumentFragment(),f=b(l,c,n,t),p=b(a,d,n,t);p!==f;)o=p.nextSibling,h.appendChild(p),p=o;return P(this,h,u),u.normalize(),p=u.firstChild,o=u.lastChild,i=n.childNodes,p?(n.insertBefore(u,f),d=mt.call(i,p),c=mt.call(i,o)+1):(d=mt.call(i,f),c=d),e.setStart(n,d),e.setEnd(n,c),k(n,e),Dt(e),this.setSelection(e),this._updatePath(e,!0),this.focus()},hn.increaseQuoteLevel=Dn("modifyBlocks",Nn),hn.decreaseQuoteLevel=Dn("modifyBlocks",Sn),hn.makeUnorderedList=Dn("modifyBlocks",bn),hn.makeOrderedList=Dn("modifyBlocks",En),hn.removeList=Dn("modifyBlocks",kn),hn.increaseListLevel=Dn("modifyBlocks",Bn),hn.decreaseListLevel=Dn("modifyBlocks",xn),O.isInline=a,O.isBlock=s,O.isContainer=d,O.getBlockWalker=l,O.getPreviousBlock=c,O.getNextBlock=h,O.areAlike=u,O.hasTagAttributes=f,O.getNearest=p,O.isOrContains=g,O.detach=_,O.replaceWith=C,O.empty=N,O.getNodeBefore=Et,O.getNodeAfter=kt,O.insertNodeInRange=Bt,O.extractContentsOfRange=xt,O.deleteContentsOfRange=Lt,O.insertTreeFragmentIntoRange=At,O.isNodeContainedInRange=Ot,O.moveRangeBoundariesDownTree=Dt,O.moveRangeBoundariesUpTree=Rt,O.getStartBlockOfRange=Ut,O.getEndBlockOfRange=Pt,O.contentWalker=It,O.rangeDoesStartAtBlockBoundary=wt,O.rangeDoesEndAtBlockBoundary=Ft,O.expandRangeToBlockBoundaries=Mt,O.onPaste=ln,O.addLinks=An,O.splitBlock=Cn,O.startSelectionId=mn,O.endSelectionId=vn,"object"==typeof exports?module.exports=O:"function"==typeof define&&define.amd?define(function(){return O}):(X.Squire=O,top!==X&&"true"===e.documentElement.getAttribute("data-squireinit")&&(X.editor=new O(e),X.onEditorLoad&&(X.onEditorLoad(X.editor),X.onEditorLoad=null)))}(document);
\ No newline at end of file
diff --git a/source/exports.js b/source/exports.js
index 5681f2b..a71c9d8 100644
--- a/source/exports.js
+++ b/source/exports.js
@@ -1,5 +1,20 @@
 /*jshint ignore:start */
 
+// Node.js exports
+Squire.isInline = isInline;
+Squire.isBlock = isBlock;
+Squire.isContainer = isContainer;
+Squire.getBlockWalker = getBlockWalker;
+Squire.getPreviousBlock = getPreviousBlock;
+Squire.getNextBlock = getNextBlock;
+Squire.areAlike = areAlike;
+Squire.hasTagAttributes = hasTagAttributes;
+Squire.getNearest = getNearest;
+Squire.isOrContains = isOrContains;
+Squire.detach = detach;
+Squire.replaceWith = replaceWith;
+Squire.empty = empty;
+
 // Range.js exports
 Squire.getNodeBefore = getNodeBefore;
 Squire.getNodeAfter = getNodeAfter;