diff --git a/README.md b/README.md
index d5dfab8..5669232 100644
--- a/README.md
+++ b/README.md
@@ -1688,6 +1688,7 @@ produces CSV output.  The function takes an options argument:
 | dateNF      |  fmt 14  | Use specified date format in string output          |
 | strip       |  false   | Remove trailing field separators in each record **  |
 | blankrows   |  true    | Include blank lines in the CSV output               |
+| skipHidden  |  false   | Skips hidden rows/columns in the CSV output         |
 
 - `strip` will remove trailing commas from each line under default `FS/RS`
 - blankrows must be set to `false` to skip blank lines.
@@ -2313,5 +2314,3 @@ granted by the Apache 2.0 License are reserved by the Original Author.
 - ISO/IEC 29500:2012(E) "Information technology — Document description and processing languages — Office Open XML File Formats"
 - Open Document Format for Office Applications Version 1.2 (29 September 2011)
 - Worksheet File Format (From Lotus) December 1984
-
-
diff --git a/bits/90_utils.js b/bits/90_utils.js
index 0082cbe..0e773be 100644
--- a/bits/90_utils.js
+++ b/bits/90_utils.js
@@ -81,8 +81,9 @@ function sheet_to_json(sheet/*:Worksheet*/, opts/*:?Sheet2JSONOpts*/){
 var qreg = /"/g;
 function make_csv_row(sheet/*:Worksheet*/, r/*:Range*/, R/*:number*/, cols/*:Array<string>*/, fs/*:number*/, rs/*:number*/, FS/*:string*/, o/*:Sheet2CSVOpts*/)/*:?string*/ {
 	var isempty = true;
-	var row = "", txt = "", rr = encode_row(R);
+	var row = [], txt = "", rr = encode_row(R);
 	for(var C = r.s.c; C <= r.e.c; ++C) {
+		if (!cols[C]) continue;
 		var val = o.dense ? (sheet[R]||[])[C]: sheet[cols[C] + rr];
 		if(val == null) txt = "";
 		else if(val.v != null) {
@@ -95,10 +96,10 @@ function make_csv_row(sheet/*:Worksheet*/, r/*:Range*/, R/*:number*/, cols/*:Arr
 			txt = '=' + val.f; if(txt.indexOf(",") >= 0) txt = '"' + txt.replace(qreg, '""') + '"';
 		} else txt = "";
 		/* NOTE: Excel CSV does not support array formulae */
-		row += (C === r.s.c ? "" : FS) + txt;
+		row.push(txt);
 	}
 	if(o.blankrows === false && isempty) return null;
-	return row;
+	return row.join(FS);
 }
 
 function sheet_to_csv(sheet/*:Worksheet*/, opts/*:?Sheet2CSVOpts*/)/*:string*/ {
@@ -111,8 +112,11 @@ function sheet_to_csv(sheet/*:Worksheet*/, opts/*:?Sheet2CSVOpts*/)/*:string*/ {
 	var endregex = new RegExp((FS=="|" ? "\\|" : FS)+"+$");
 	var row = "", cols = [];
 	o.dense = Array.isArray(sheet);
-	for(var C = r.s.c; C <= r.e.c; ++C) cols[C] = encode_col(C);
+	var colInfos = o.skipHidden ? sheet["!cols"] : undefined;
+	var rowInfos = o.skipHidden ? sheet["!rows"] : undefined;
+	for(var C = r.s.c; C <= r.e.c; ++C) if (!colInfos || !colInfos[C] || !colInfos[C].hidden) cols[C] = encode_col(C);
 	for(var R = r.s.r; R <= r.e.r; ++R) {
+		if (rowInfos && rowInfos[R] && rowInfos[R].hidden) continue;
 		row = make_csv_row(sheet, r, R, cols, fs, rs, FS, o);
 		if(row == null) { continue; }
 		if(o.strip) row = row.replace(endregex,"");
diff --git a/docbits/82_util.md b/docbits/82_util.md
index b619542..d4787ee 100644
--- a/docbits/82_util.md
+++ b/docbits/82_util.md
@@ -123,6 +123,7 @@ produces CSV output.  The function takes an options argument:
 | dateNF      |  fmt 14  | Use specified date format in string output          |
 | strip       |  false   | Remove trailing field separators in each record **  |
 | blankrows   |  true    | Include blank lines in the CSV output               |
+| skipHidden  |  false   | Skips hidden rows/columns in the CSV output         |
 
 - `strip` will remove trailing commas from each line under default `FS/RS`
 - blankrows must be set to `false` to skip blank lines.
diff --git a/test.js b/test.js
index 537e23c..abdcd72 100644
--- a/test.js
+++ b/test.js
@@ -1780,6 +1780,24 @@ describe('csv', function() {
 				assert.equal(wb.Sheets.Sheet1['!ref'], "A1:B3");
 			});
 		});
+		it('should handle skipHidden for rows if requested', function() {
+			var baseline = "1,2,3,\nTRUE,FALSE,,sheetjs\nfoo,bar,2/19/14,0.3\n,,,\nbaz,,qux,\n";
+			assert.equal(X.utils.sheet_to_csv(ws), baseline);
+			ws["!rows"] = [null,{hidden:true},null,null];
+			assert.equal(X.utils.sheet_to_csv(ws), baseline);
+			assert.equal(X.utils.sheet_to_csv(ws, {skipHidden:true}), "1,2,3,\nfoo,bar,2/19/14,0.3\n,,,\nbaz,,qux,\n");
+			delete ws["!rows"];
+		});
+		it('should handle skipHidden for columns if requested', function() {
+			var baseline = "1,2,3,\nTRUE,FALSE,,sheetjs\nfoo,bar,2/19/14,0.3\n,,,\nbaz,,qux,\n";
+			assert.equal(X.utils.sheet_to_csv(ws), baseline);
+			ws["!cols"] = [null,{hidden:true},null,null];
+			assert.equal(X.utils.sheet_to_csv(ws), baseline);
+			assert.equal(X.utils.sheet_to_csv(ws, {skipHidden:true}), "1,3,\nTRUE,,sheetjs\nfoo,2/19/14,0.3\n,,\nbaz,qux,\n");
+			ws["!cols"] = [{hidden:true},null,null,null];
+			assert.equal(X.utils.sheet_to_csv(ws, {skipHidden:true}), "2,3,\nFALSE,,sheetjs\nbar,2/19/14,0.3\n,,\n,qux,\n");
+			delete ws["!cols"];
+		});
 	});
 });
 
diff --git a/tests/core.js b/tests/core.js
index 681936c..4e8ac02 100644
--- a/tests/core.js
+++ b/tests/core.js
@@ -1791,6 +1791,24 @@ describe('csv', function() {
 				assert.equal(wb.Sheets.Sheet1['!ref'], "A1:B3");
 			});
 		});
+		it('should handle skipHidden for rows if requested', function() {
+			var baseline = "1,2,3,\nTRUE,FALSE,,sheetjs\nfoo,bar,2/19/14,0.3\n,,,\nbaz,,qux,\n";
+			assert.equal(X.utils.sheet_to_csv(ws), baseline);
+			ws["!rows"] = [null,{hidden:true},null,null];
+			assert.equal(X.utils.sheet_to_csv(ws), baseline);
+			assert.equal(X.utils.sheet_to_csv(ws, {skipHidden:true}), "1,2,3,\nfoo,bar,2/19/14,0.3\n,,,\nbaz,,qux,\n");
+			delete ws["!rows"];
+		});
+		it('should handle skipHidden for columns if requested', function() {
+			var baseline = "1,2,3,\nTRUE,FALSE,,sheetjs\nfoo,bar,2/19/14,0.3\n,,,\nbaz,,qux,\n";
+			assert.equal(X.utils.sheet_to_csv(ws), baseline);
+			ws["!cols"] = [null,{hidden:true},null,null];
+			assert.equal(X.utils.sheet_to_csv(ws), baseline);
+			assert.equal(X.utils.sheet_to_csv(ws, {skipHidden:true}), "1,3,\nTRUE,,sheetjs\nfoo,2/19/14,0.3\n,,\nbaz,qux,\n");
+			ws["!cols"] = [{hidden:true},null,null,null];
+			assert.equal(X.utils.sheet_to_csv(ws, {skipHidden:true}), "2,3,\nFALSE,,sheetjs\nbar,2/19/14,0.3\n,,\n,qux,\n");
+			delete ws["!cols"];
+		});
 	});
 });
 
diff --git a/xlsx.flow.js b/xlsx.flow.js
index 03da3ad..ac5032c 100644
--- a/xlsx.flow.js
+++ b/xlsx.flow.js
@@ -17817,8 +17817,9 @@ function sheet_to_json(sheet/*:Worksheet*/, opts/*:?Sheet2JSONOpts*/){
 var qreg = /"/g;
 function make_csv_row(sheet/*:Worksheet*/, r/*:Range*/, R/*:number*/, cols/*:Array<string>*/, fs/*:number*/, rs/*:number*/, FS/*:string*/, o/*:Sheet2CSVOpts*/)/*:?string*/ {
 	var isempty = true;
-	var row = "", txt = "", rr = encode_row(R);
+	var row = [], txt = "", rr = encode_row(R);
 	for(var C = r.s.c; C <= r.e.c; ++C) {
+		if (!cols[C]) continue;
 		var val = o.dense ? (sheet[R]||[])[C]: sheet[cols[C] + rr];
 		if(val == null) txt = "";
 		else if(val.v != null) {
@@ -17831,10 +17832,10 @@ function make_csv_row(sheet/*:Worksheet*/, r/*:Range*/, R/*:number*/, cols/*:Arr
 			txt = '=' + val.f; if(txt.indexOf(",") >= 0) txt = '"' + txt.replace(qreg, '""') + '"';
 		} else txt = "";
 		/* NOTE: Excel CSV does not support array formulae */
-		row += (C === r.s.c ? "" : FS) + txt;
+		row.push(txt);
 	}
 	if(o.blankrows === false && isempty) return null;
-	return row;
+	return row.join(FS);
 }
 
 function sheet_to_csv(sheet/*:Worksheet*/, opts/*:?Sheet2CSVOpts*/)/*:string*/ {
@@ -17847,8 +17848,11 @@ function sheet_to_csv(sheet/*:Worksheet*/, opts/*:?Sheet2CSVOpts*/)/*:string*/ {
 	var endregex = new RegExp((FS=="|" ? "\\|" : FS)+"+$");
 	var row = "", cols = [];
 	o.dense = Array.isArray(sheet);
-	for(var C = r.s.c; C <= r.e.c; ++C) cols[C] = encode_col(C);
+	var colInfos = o.skipHidden ? sheet["!cols"] : undefined;
+	var rowInfos = o.skipHidden ? sheet["!rows"] : undefined;
+	for(var C = r.s.c; C <= r.e.c; ++C) if (!colInfos || !colInfos[C] || !colInfos[C].hidden) cols[C] = encode_col(C);
 	for(var R = r.s.r; R <= r.e.r; ++R) {
+		if (rowInfos && rowInfos[R] && rowInfos[R].hidden) continue;
 		row = make_csv_row(sheet, r, R, cols, fs, rs, FS, o);
 		if(row == null) { continue; }
 		if(o.strip) row = row.replace(endregex,"");
diff --git a/xlsx.js b/xlsx.js
index 55cf361..a0f075b 100644
--- a/xlsx.js
+++ b/xlsx.js
@@ -17727,8 +17727,9 @@ function sheet_to_json(sheet, opts){
 var qreg = /"/g;
 function make_csv_row(sheet, r, R, cols, fs, rs, FS, o) {
 	var isempty = true;
-	var row = "", txt = "", rr = encode_row(R);
+	var row = [], txt = "", rr = encode_row(R);
 	for(var C = r.s.c; C <= r.e.c; ++C) {
+		if (!cols[C]) continue;
 		var val = o.dense ? (sheet[R]||[])[C]: sheet[cols[C] + rr];
 		if(val == null) txt = "";
 		else if(val.v != null) {
@@ -17741,10 +17742,10 @@ function make_csv_row(sheet, r, R, cols, fs, rs, FS, o) {
 			txt = '=' + val.f; if(txt.indexOf(",") >= 0) txt = '"' + txt.replace(qreg, '""') + '"';
 		} else txt = "";
 		/* NOTE: Excel CSV does not support array formulae */
-		row += (C === r.s.c ? "" : FS) + txt;
+		row.push(txt);
 	}
 	if(o.blankrows === false && isempty) return null;
-	return row;
+	return row.join(FS);
 }
 
 function sheet_to_csv(sheet, opts) {
@@ -17757,8 +17758,11 @@ function sheet_to_csv(sheet, opts) {
 	var endregex = new RegExp((FS=="|" ? "\\|" : FS)+"+$");
 	var row = "", cols = [];
 	o.dense = Array.isArray(sheet);
-	for(var C = r.s.c; C <= r.e.c; ++C) cols[C] = encode_col(C);
+	var colInfos = o.skipHidden ? sheet["!cols"] : undefined;
+	var rowInfos = o.skipHidden ? sheet["!rows"] : undefined;
+	for(var C = r.s.c; C <= r.e.c; ++C) if (!colInfos || !colInfos[C] || !colInfos[C].hidden) cols[C] = encode_col(C);
 	for(var R = r.s.r; R <= r.e.r; ++R) {
+		if (rowInfos && rowInfos[R] && rowInfos[R].hidden) continue;
 		row = make_csv_row(sheet, r, R, cols, fs, rs, FS, o);
 		if(row == null) { continue; }
 		if(o.strip) row = row.replace(endregex,"");