diff --git a/packages/datalib/src/runMacro.ts b/packages/datalib/src/runMacro.ts
index a5b266dda..0e45bc4a1 100644
--- a/packages/datalib/src/runMacro.ts
+++ b/packages/datalib/src/runMacro.ts
@@ -10,6 +10,11 @@ const getMacroFunction = {
 (value, args, modules, rowIndex, row, columnName) => {
     ${code}
 }
+`,
+  transformRows: (code) => `
+(rows, args, modules, selectedCells, cols) => {
+  ${code}
+}
 `,
 };
 
@@ -20,6 +25,96 @@ const modules = {
   moment,
 };
 
+function runTramsformValue(
+  func,
+  macroArgs: {},
+  data: FreeTableModel,
+  preview: boolean,
+  selectedCells: MacroSelectedCell[],
+  errors: string[] = []
+) {
+  const selectedRows = _.groupBy(selectedCells, 'row');
+  const rows = data.rows.map((row, rowIndex) => {
+    const selectedRow = selectedRows[rowIndex];
+    if (selectedRow) {
+      const modifiedFields = [];
+      let res = null;
+      for (const cell of selectedRow) {
+        const { column } = cell;
+        const oldValue = row[column];
+        let newValue = oldValue;
+        try {
+          newValue = func(oldValue, macroArgs, modules, rowIndex, row, column);
+        } catch (err) {
+          errors.push(`Error processing column ${column} on row ${rowIndex}: ${err.message}`);
+        }
+        if (newValue != oldValue) {
+          if (res == null) {
+            res = { ...row };
+          }
+          res[column] = newValue;
+          if (preview) modifiedFields.push(column);
+        }
+      }
+      if (res) {
+        if (modifiedFields.length > 0) {
+          return {
+            ...res,
+            __modifiedFields: new Set(modifiedFields),
+          };
+        }
+        return res;
+      }
+      return row;
+    } else {
+      return row;
+    }
+  });
+
+  return {
+    structure: data.structure,
+    rows,
+  };
+}
+
+function removePreviewRowFlags(rows) {
+  rows = rows.filter((row) => row.__rowStatus != 'deleted');
+  rows = rows.map((row) => {
+    if (row.__rowStatus || row.__modifiedFields) return _.omit(row, ['__rowStatus', '__modifiedFields']);
+    return row;
+  });
+  return rows;
+}
+
+function runTramsformRows(
+  func,
+  macroArgs: {},
+  data: FreeTableModel,
+  preview: boolean,
+  selectedCells: MacroSelectedCell[],
+  errors: string[] = []
+) {
+  let rows = data.rows;
+  try {
+    rows = func(
+      data.rows,
+      macroArgs,
+      modules,
+      selectedCells,
+      data.structure.columns.map((x) => x.columnName)
+    );
+    if (!preview) {
+      rows = removePreviewRowFlags(rows);
+    }
+  } catch (err) {
+    errors.push(`Error processing rows: ${err.message}`);
+  }
+  return {
+    structure: data.structure,
+    rows,
+  };
+}
+
 export function runMacro(
   macro: MacroDefinition,
   macroArgs: {},
@@ -36,48 +131,10 @@ export function runMacro(
     return data;
   }
   if (macro.type == 'transformValue') {
-    const selectedRows = _.groupBy(selectedCells, 'row');
-    const rows = data.rows.map((row, rowIndex) => {
-      const selectedRow = selectedRows[rowIndex];
-      if (selectedRow) {
-        const modifiedFields = [];
-        let res = null;
-        for (const cell of selectedRow) {
-          const { column } = cell;
-          const oldValue = row[column];
-          let newValue = oldValue;
-          try {
-            newValue = func(oldValue, macroArgs, modules, rowIndex, row, column);
-          } catch (err) {
-            errors.push(`Error processing column ${column} on row ${rowIndex}: ${err.message}`);
-          }
-          if (newValue != oldValue) {
-            if (res == null) {
-              res = { ...row };
-            }
-            res[column] = newValue;
-            if (preview) modifiedFields.push(column);
-          }
-        }
-        if (res) {
-          if (modifiedFields.length > 0) {
-            return {
-              ...res,
-              __modifiedFields: new Set(modifiedFields),
-            };
-          }
-          return res;
-        }
-        return row;
-      } else {
-        return row;
-      }
-    });
-
-    return {
-      structure: data.structure,
-      rows,
-    };
+    return runTramsformValue(func, macroArgs, data, preview, selectedCells, errors);
+  }
+  if (macro.type == 'transformRows') {
+    return runTramsformRows(func, macroArgs, data, preview, selectedCells, errors);
   }
   return data;
 }
diff --git a/packages/web/src/freetable/MacroPreviewGrider.ts b/packages/web/src/freetable/MacroPreviewGrider.ts
index 1c3081715..6a42b8794 100644
--- a/packages/web/src/freetable/MacroPreviewGrider.ts
+++ b/packages/web/src/freetable/MacroPreviewGrider.ts
@@ -16,7 +16,7 @@ export default class MacroPreviewGrider extends Grider {
   getRowStatus(index): GriderRowStatus {
     const row = this.model.rows[index];
     return {
-      status: 'regular',
+      status: (row && row.__rowStatus) || 'regular',
       modifiedFields: row ? row.__modifiedFields : null,
     };
   }
diff --git a/packages/web/src/freetable/macros.js b/packages/web/src/freetable/macros.js
index 9e80cec38..e357dc8ef 100644
--- a/packages/web/src/freetable/macros.js
+++ b/packages/web/src/freetable/macros.js
@@ -36,9 +36,9 @@ const macros = [
       },
     ],
     code: `
-    const rtext = args.isRegex ? args.find : modules.lodash.escapeRegExp(args.find);
-    const rflags = args.caseSensitive ? 'g' : 'ig';
-    return value ? value.toString().replace(new RegExp(rtext, rflags), args.replace || '') : value
+const rtext = args.isRegex ? args.find : modules.lodash.escapeRegExp(args.find);
+const rflags = args.caseSensitive ? 'g' : 'ig';
+return value ? value.toString().replace(new RegExp(rtext, rflags), args.replace || '') : value
     `,
   },
   {
@@ -102,6 +102,41 @@ const macros = [
     ],
     code: `return modules.moment().format(args.format)`,
   },
+  {
+    title: 'Duplicate rows',
+    name: 'duplicateRows',
+    group: 'Tools',
+    description: 'Duplicate selected rows',
+    type: 'transformRows',
+    code: `
+const selectedRowIndexes = modules.lodash.uniq(selectedCells.map(x => x.row));
+const selectedRows = modules.lodash.groupBy(selectedCells, 'row');
+const maxIndex = _.max(selectedRowIndexes);
+return [
+  ...rows.slice(0, maxIndex + 1),
+  ...selectedRowIndexes.map(index => ({
+    ..._.pick(rows[index], selectedRows[index].map(x=>x.column)),
+    __rowStatus: 'inserted',
+  })),
+  ...rows.slice(maxIndex + 1),
+]
+    `,
+  },
+  {
+    title: 'Delete empty rows',
+    name: 'deleteEmptyRows',
+    group: 'Tools',
+    description: 'Delete empty rows - rows with all values null or empty string',
+    type: 'transformRows',
+    code: `
+return rows.map(row => {
+  if (cols.find(col => row[col])) return row;
+  return {
+    ...row,
+    __rowStatus: 'deleted',
+  };
+})
+`}
 ];
 
 export default macros;