diff --git a/README.md b/README.md
index fa5714d7..869fa0a6 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ To create your own, you have to understand a few key features first. You can als
     {
       "type": "extract",
       "values": {
-        "pagesToExtractArray": [0, 2]
+        "pageIndexes": [0, 2]
       },
       "operations": []
     }
@@ -46,7 +46,7 @@ You can also nest workflows like this:
     {
       "type": "extract",
       "values": {
-        "pagesToExtractArray": [0, 2]
+        "pageIndexes": [0, 2]
       },
       "operations": [
         {
diff --git a/client-ionic/src/utils/pdf-operations.ts b/client-ionic/src/utils/pdf-operations.ts
index 0751d88a..560819b0 100644
--- a/client-ionic/src/utils/pdf-operations.ts
+++ b/client-ionic/src/utils/pdf-operations.ts
@@ -13,8 +13,8 @@ export async function editMetadata(snapshot: string | Uint8Array | ArrayBuffer,
     return dependantEditMetadata(snapshot, metadata);
 }
 
-export async function extractPages(snapshot: string | Uint8Array | ArrayBuffer, pagesToExtractArray: number[]) {
-    return dependantExtractPages(snapshot, pagesToExtractArray);
+export async function extractPages(snapshot: string | Uint8Array | ArrayBuffer, pageIndexes: number[]) {
+    return dependantExtractPages(snapshot, pageIndexes);
 }
 
 export async function mergePDFs(snapshots: (string | Uint8Array | ArrayBuffer)[]) {
diff --git a/client-vanilla/public/exampleWorkflows.js b/client-vanilla/public/exampleWorkflows.js
index 15cbefc1..f7dc33e0 100644
--- a/client-vanilla/public/exampleWorkflows.js
+++ b/client-vanilla/public/exampleWorkflows.js
@@ -90,7 +90,7 @@ export const extractOnly = {
     operations: [
         {
             type: "extract",
-            values: { "pagesToExtractArray": [0, 2] },
+            values: { "pageIndexes": [0, 2] },
             operations: []
         }
     ]
diff --git a/client-vanilla/public/functions.js b/client-vanilla/public/functions.js
index be7bf914..eb80f9c3 100644
--- a/client-vanilla/public/functions.js
+++ b/client-vanilla/public/functions.js
@@ -20,8 +20,8 @@ import { splitOn as dependantSplitOn } from "./functions/splitOn.js";
 
 // TODO: Dynamic loading & undloading of libraries.
 
-export async function extractPages(snapshot, pagesToExtractArray) {
-    return dependantExtractPages(snapshot, pagesToExtractArray, PDFLib);
+export async function extractPages(snapshot, pageIndexes) {
+    return dependantExtractPages(snapshot, pageIndexes, PDFLib);
 }
 
 export async function impose(snapshot, nup, format) {
@@ -52,8 +52,8 @@ export async function editMetadata(snapshot, metadata) {
     return dependantEditMetadata(snapshot, metadata, PDFLib);
 }
 
-export async function sortPagesWithPreset(snapshot, operation, fancyPageSelector) {
-    return dependantSortPagesWithPreset(snapshot, operation, fancyPageSelector, PDFLib);
+export async function sortPagesWithPreset(snapshot, operation) {
+    return dependantSortPagesWithPreset(snapshot, operation, PDFLib);
 }
 
 export async function removeBlankPages(snapshot, whiteThreashold) {
diff --git a/shared-operations/src/functions/common/getPagesByIndex.ts b/shared-operations/src/functions/common/getPagesByIndex.ts
new file mode 100644
index 00000000..d7498d8f
--- /dev/null
+++ b/shared-operations/src/functions/common/getPagesByIndex.ts
@@ -0,0 +1,21 @@
+
+import { PdfFile, RepresentationType } from '../../wrappers/PdfFile.js';
+import { PDFDocument } from 'pdf-lib';
+
+export async function getPages(file: PdfFile, pageIndexes: number[]): Promise<PdfFile> {
+    const pdfLibDocument = await file.pdfLibDocument;
+    const subDocument = await PDFDocument.create();
+
+    // Check that array max number is not larger pdf pages number
+    if(Math.max(...pageIndexes) >= pdfLibDocument.getPageCount()) {
+        throw new Error(`The PDF document only has ${pdfLibDocument.getPageCount()} pages and you tried to extract page ${Math.max(...pageIndexes)}`);
+    }
+
+    const copiedPages = await subDocument.copyPages(pdfLibDocument, pageIndexes);
+
+    for (let i = 0; i < copiedPages.length; i++) {
+        subDocument.addPage(copiedPages[i]);
+    }
+
+    return new PdfFile(file.originalFilename, subDocument, RepresentationType.PDFLibDocument, file.filename);
+}
diff --git a/shared-operations/src/functions/common/pageIndexesSorting.ts b/shared-operations/src/functions/common/pageIndexesSorting.ts
new file mode 100644
index 00000000..2ef73a93
--- /dev/null
+++ b/shared-operations/src/functions/common/pageIndexesSorting.ts
@@ -0,0 +1,121 @@
+
+/**
+ * @param pages A list of page indexes, or the number of total pages in the document (which will be converted into a list of page indexes).
+ * @returns A reversed list of page indexes.
+ */
+function reverseSort(pages: number|number[]): number[] {
+    const indexes = Array.isArray(pages) ? pages : [...Array(pages).keys()];
+    return indexes.reverse();
+}
+
+/**
+ * Sorts page indexes as if all fronts were scanned then all backs in reverse (1, n, 2, n-1, ...).
+ * @param pages A list of page indexes, or the number of total pages in the document (which will be converted into a list of page indexes).
+ * @returns A duplex-sorted list of page indexes.
+ */
+function duplexSort(pages: number|number[]): number[] {
+    const indexes = Array.isArray(pages) ? pages : [...Array(pages).keys()];
+
+    // Translated to JS from the original Java function
+    const newPageOrder: number[] = [];
+    const half = Math.floor((indexes.length + 1) / 2); // This ensures proper behavior with odd numbers of pages
+
+    for (let i = 1; i <= half; i++) {
+        newPageOrder.push(indexes[i - 1]);
+        if (i <= indexes.length - half) {
+            // Avoid going out of bounds
+            newPageOrder.push(indexes[indexes.length - i]);
+        }
+    }
+
+    return newPageOrder;
+}
+
+/**
+ * Arranges pages for booklet printing (last, first, second, second last, ...).
+ * @param pages A list of page indexes, or the number of total pages in the document (which will be converted into a list of page indexes).
+ * @returns A booklet-sorted list of page indexes.
+ */
+function bookletSort(totalPages: number): number[] {
+    const newPageOrder: number[] = [];
+    for (let i = 0; i < totalPages / 2; i++) {
+        newPageOrder.push(i);
+        newPageOrder.push(totalPages - i - 1);
+    }
+    return newPageOrder;
+}
+
+/**
+ * TODO: find out what this does
+ * @param pages 
+ * @returns 
+ */
+function sideStitchBooklet(totalPages: number): number[] {
+    const newPageOrder: number[] = [];
+    for (let i = 0; i < (totalPages + 3) / 4; i++) {
+      const begin = i * 4;
+      newPageOrder.push(Math.min(begin + 3, totalPages - 1));
+      newPageOrder.push(Math.min(begin, totalPages - 1));
+      newPageOrder.push(Math.min(begin + 1, totalPages - 1));
+      newPageOrder.push(Math.min(begin + 2, totalPages - 1));
+    }
+    return newPageOrder;
+}
+
+/**
+ * Splits and arranges pages into odd and even numbered pages.
+ * @param pages A list of page indexes, or the number of total pages in the document (which will be converted into a list of page indexes).
+ * @returns An odd-even split list of page indexes.
+ */
+function oddEvenSplit(totalPages: number): number[] {
+    const newPageOrder: number[] = [];
+    for (let i = 1; i <= totalPages; i += 2) {
+      newPageOrder.push(i - 1);
+    }
+    for (let i = 2; i <= totalPages; i += 2) {
+      newPageOrder.push(i - 1);
+    }
+    return newPageOrder;
+}
+
+/**
+ * Removes the first page from the list of index selections.
+ * @param pages A list of page indexes, or the number of total pages in the document (which will be converted into a list of page indexes).
+ * @returns The list of page indexes, without the first page.
+ */
+function removeFirst(totalPages: number): number[] {
+    return [...Array(totalPages-1).keys()].map(i => i+1);
+}
+
+/**
+ * Removes the last page from the list of index selections.
+ * @param pages A list of page indexes, or the number of total pages in the document (which will be converted into a list of page indexes).
+ * @returns The list of page indexes, without the last page.
+ */
+function removeLast(totalPages: number): number[] {
+    return [...Array(totalPages-1).keys()];
+}
+
+/**
+ * Removes the first and last pages from the list of index selections.
+ * @param pages A list of page indexes, or the number of total pages in the document (which will be converted into a list of page indexes).
+ * @returns The list of page indexes, without the first and last pages.
+ */
+function removeFirstAndLast(totalPages: number): number[] {
+    return [...Array(totalPages-2).keys()].map(i => i+1);
+}
+
+export type SortFunction = (totalPages: number) => number[];
+type Sorts = {
+    [key: string]: SortFunction;
+};
+export const sorts: Sorts = Object.freeze({
+    "REVERSE_ORDER": reverseSort,
+    "DUPLEX_SORT": duplexSort,
+    "BOOKLET_SORT": bookletSort,
+    "SIDE_STITCH_BOOKLET_SORT": sideStitchBooklet,
+    "ODD_EVEN_SPLIT": oddEvenSplit,
+    "REMOVE_FIRST": removeFirst,
+    "REMOVE_LAST": removeLast,
+    "REMOVE_FIRST_AND_LAST": removeFirstAndLast,
+});
diff --git a/shared-operations/src/functions/common/pageIndexesUtils.ts b/shared-operations/src/functions/common/pageIndexesUtils.ts
new file mode 100644
index 00000000..6a60f850
--- /dev/null
+++ b/shared-operations/src/functions/common/pageIndexesUtils.ts
@@ -0,0 +1,84 @@
+
+/**
+ * @param selection An array of page indexes already selected.
+ * @param pages A list of page indexes, or the number of total pages in the document (which will be converted into a list of page indexes).
+ * @returns An inverted selection array of page indexes.
+ */
+function invertSelection(selection: number[], pages: number|number[]): number[] {
+    const indexes = Array.isArray(pages) ? pages : [...Array(pages).keys()];
+    const pageIndexesCopy = [...indexes];
+    return pageIndexesCopy.filter(x => !selection.includes(x));
+}
+
+/**
+ * Parse the page selector string used in the 'PDF Page Organizer'
+ * @param specification 
+ * @param totalPages 
+ * @returns 
+ */
+function parsePageIndexSpecification(specification: string, totalPages: number): number[] {
+    // Translated to JS from the original Java function
+    const pageOrderArr = specification.split(",")
+    const newPageOrder: number[] = [];
+
+    // loop through the page order array
+    pageOrderArr.forEach(element => {
+        if (element.toLocaleLowerCase() === "all") {
+            for (var i = 0; i < totalPages; i++) {
+                newPageOrder.push(i);
+            }
+            // As all pages are already added, no need to check further
+            return;
+        }
+        else if (element.match("\\d*n\\+?-?\\d*|\\d*\\+?n")) {
+            // Handle page order as a function
+            var coefficient = 0;
+            var constant = 0;
+            var coefficientExists = false;
+            var constantExists = false;
+
+            if (element.includes("n")) {
+                var parts = element.split("n");
+                if (!parts[0]) {
+                    coefficient = parseInt(parts[0]);
+                    coefficientExists = true;
+                }
+                if (parts.length > 1 && parts[1]) {
+                    constant = parseInt(parts[1]);
+                    constantExists = true;
+                }
+            } else if (element.includes("+")) {
+                constant = parseInt(element.replace("+", ""));
+                constantExists = true;
+            }
+
+            for (var i = 1; i <= totalPages; i++) {
+                var pageNum = coefficientExists ? coefficient * i : i;
+                pageNum += constantExists ? constant : 0;
+
+                if (pageNum <= totalPages && pageNum > 0) {
+                    newPageOrder.push(pageNum - 1);
+                }
+            }
+        } else if (element.includes("-")) {
+            // split the range into start and end page
+            const range = element.split("-");
+            const start = parseInt(range[0]);
+            var end = parseInt(range[1]);
+            // check if the end page is greater than total pages
+            if (end > totalPages) {
+                end = totalPages;
+            }
+            // loop through the range of pages
+            for (var j = start; j <= end; j++) {
+                // print the current index
+                newPageOrder.push(j - 1);
+            }
+        } else {
+            // if the element is a single page
+            newPageOrder.push(parseInt(element) - 1);
+        }
+    });
+
+    return newPageOrder;
+}
diff --git a/shared-operations/src/functions/extractPages.ts b/shared-operations/src/functions/extractPages.ts
new file mode 100644
index 00000000..eeeadbbb
--- /dev/null
+++ b/shared-operations/src/functions/extractPages.ts
@@ -0,0 +1,20 @@
+
+import { PdfFile } from '../wrappers/PdfFile.js';
+import { getPages } from './common/getPagesByIndex.js';
+
+export type ExtractPagesParamsType = {
+    file: PdfFile;
+    pageIndexes: string | number[];
+}
+export async function extractPages(params: ExtractPagesParamsType) {
+    const { file, pageIndexes } = params;
+    const pdfLibDocument = await file.pdfLibDocument;
+
+    var indexes = pageIndexes;
+
+    if (!Array.isArray(indexes)) {
+        indexes = parsePageIndexSpecification(indexes, pdfLibDocument.getPageCount());
+    }
+
+    return getPages(file, indexes);
+}
diff --git a/shared-operations/src/functions/removeBlankPages.ts b/shared-operations/src/functions/removeBlankPages.ts
new file mode 100644
index 00000000..d8242769
--- /dev/null
+++ b/shared-operations/src/functions/removeBlankPages.ts
@@ -0,0 +1,18 @@
+
+import { PdfFile } from '../wrappers/PdfFile.js';
+import { detectEmptyPages } from './common/detectEmptyPages.js';
+import { getPages } from './common/getPagesByIndex.js';
+
+export type RemoveBlankPagesParamsType = {
+    file: PdfFile;
+    whiteThreashold: number;
+}
+export async function removeBlankPages(params: RemoveBlankPagesParamsType) {
+    const { file, whiteThreashold } = params;
+    const pageCount = await file.pdfLibDocument;
+
+    const emptyPages = await detectEmptyPages(file, whiteThreashold);
+    console.debug("Empty Pages: ", emptyPages);
+    const pagesToKeep = invertSelection(emptyPages, pageCount.getPageCount())
+    return getPages(file, pagesToKeep);
+}
\ No newline at end of file
diff --git a/shared-operations/src/functions/sortPagesWithPreset.ts b/shared-operations/src/functions/sortPagesWithPreset.ts
new file mode 100644
index 00000000..d32ac943
--- /dev/null
+++ b/shared-operations/src/functions/sortPagesWithPreset.ts
@@ -0,0 +1,22 @@
+
+import { PdfFile } from '../wrappers/PdfFile.js';
+import { sorts } from './common/pageIndexesSorting.js';
+import { getPages } from './common/getPagesByIndex.js';
+
+export type SortPagesWithPresetParamsType = {
+    file: PdfFile;
+    sortPreset: string;
+}
+export async function sortPagesWithPreset(params: SortPagesWithPresetParamsType) {
+    const { file, sortPreset } = params;
+    const pdfLibDocument = await file.pdfLibDocument;
+
+    if (!(sortPreset in sorts)) {
+        throw new Error("Supplied parameters not supported");
+    }
+
+    const sortFunction = sorts[sortPreset];
+    const pageCount = pdfLibDocument.getPageCount();
+    const sortIndexes = sortFunction(pageCount);
+    return getPages(file, sortIndexes);
+}
diff --git a/shared-operations/src/functions/splitOn.ts b/shared-operations/src/functions/splitOn.ts
index e300911f..5f79c09d 100644
--- a/shared-operations/src/functions/splitOn.ts
+++ b/shared-operations/src/functions/splitOn.ts
@@ -3,7 +3,7 @@ import jsQR from "jsqr";
 
 import { detectEmptyPages } from "./common/detectEmptyPages.js";
 import { getImagesOnPage } from "./common/getImagesOnPage.js";
-import { selectPages } from "./subDocumentFunctions";
+import { getPages } from "./common/getPagesByIndex.js";
 import { PdfFile } from '../wrappers/PdfFile.js';
 
 export type SplitOnParamsType = {
@@ -52,7 +52,7 @@ export async function splitOn(params: SplitOnParamsType) {
         console.log(i);
         if(i == splitAfter) {
             if(pagesArray.length > 0) {
-                subDocuments.push(await selectPages({file, pagesToExtractArray:pagesArray}));
+                subDocuments.push(await getPages(file, pagesArray));
                 pagesArray = [];
             }
             splitAfter = splitAtPages.shift();
@@ -63,7 +63,7 @@ export async function splitOn(params: SplitOnParamsType) {
         }
     }
     if(pagesArray.length > 0) {
-        subDocuments.push(await selectPages({file, pagesToExtractArray:pagesArray}));
+        subDocuments.push(await getPages(file, pagesArray));
     }
     pagesArray = [];
 
diff --git a/shared-operations/src/functions/splitPDF.ts b/shared-operations/src/functions/splitPDF.ts
index d24cdf37..d5dfe948 100644
--- a/shared-operations/src/functions/splitPDF.ts
+++ b/shared-operations/src/functions/splitPDF.ts
@@ -1,5 +1,5 @@
 
-import { selectPages } from "./subDocumentFunctions";
+import { getPages } from "./common/getPagesByIndex";
 import { PdfFile } from '../wrappers/PdfFile';
 
 export type SplitPdfParamsType = {
@@ -20,13 +20,13 @@ export async function splitPDF(params: SplitPdfParamsType): Promise<PdfFile[]> {
 
     for (let i = 0; i < numberOfPages; i++) {
         if(splitAfter && i > splitAfter && pagesArray.length > 0) {
-            subDocuments.push(await selectPages({file, pagesToExtractArray:pagesArray}));
+            subDocuments.push(await getPages(file, pagesArray));
             splitAfter = splitAfterPageArray.shift();
             pagesArray = [];
         }
         pagesArray.push(i);
     }
-    subDocuments.push(await selectPages({file, pagesToExtractArray:pagesArray}));
+    subDocuments.push(await getPages(file, pagesArray));
     pagesArray = [];
 
     return subDocuments;
diff --git a/shared-operations/src/functions/subDocumentFunctions.ts b/shared-operations/src/functions/subDocumentFunctions.ts
deleted file mode 100644
index d9292081..00000000
--- a/shared-operations/src/functions/subDocumentFunctions.ts
+++ /dev/null
@@ -1,255 +0,0 @@
-
-import { PDFDocument } from 'pdf-lib';
-import { PdfFile, RepresentationType } from '../wrappers/PdfFile.js';
-import { detectEmptyPages } from "./common/detectEmptyPages.js";
-
-
-export type SortPagesWithPresetParamsType = {
-    file: PdfFile;
-    sortPreset: string;
-    fancyPageSelector: string;
-}
-export async function sortPagesWithPreset(params: SortPagesWithPresetParamsType) {
-    const { file, sortPreset } = params;
-
-    if (sortPreset === "CUSTOM_PAGE_ORDER") {
-        return rearrangePages(params); // fancyPageSelector passed down with params
-    }
-
-    const sortFunction = sorts[sortPreset];
-    if (!sortFunction) {
-        throw new Error("Operation not supported");
-    }
-
-    const pdfLibDocument = await file.pdfLibDocument;
-    
-    const pageCount = pdfLibDocument.getPageCount();
-    const sortIndecies = sortFunction(pageCount);
-    return selectPages({file: file, pagesToExtractArray: sortIndecies});
-}
-
-export type RearrangePagesParamsType = {
-    file: PdfFile;
-    sortPreset: string;
-    fancyPageSelector: string;
-}
-export async function rearrangePages(params: RearrangePagesParamsType): Promise<PdfFile> {
-    const { file, fancyPageSelector } = params;
-
-    const pdfLibDocument = await file.pdfLibDocument;
-
-    const pagesToExtractArray = parseFancyPageSelector(fancyPageSelector, pdfLibDocument.getPageCount());
-    const newDocument = selectPages({file: file, pagesToExtractArray});
-    return newDocument;
-};
-
-export type SelectPagesParamsType = {
-    file: PdfFile;
-    pagesToExtractArray: number[];
-}
-export async function selectPages(params: SelectPagesParamsType): Promise<PdfFile> {
-    const { file, pagesToExtractArray } = params;
-
-    const pdfLibDocument = await file.pdfLibDocument;
-
-    const subDocument = await PDFDocument.create();
-
-    // Check that array max number is not larger pdf pages number
-    if(Math.max(...pagesToExtractArray) >= pdfLibDocument.getPageCount()) {
-        throw new Error(`The PDF document only has ${pdfLibDocument.getPageCount()} pages and you tried to extract page ${Math.max(...pagesToExtractArray)}`);
-    }
-
-    const copiedPages = await subDocument.copyPages(pdfLibDocument, pagesToExtractArray);
-
-    for (let i = 0; i < copiedPages.length; i++) {
-        subDocument.addPage(copiedPages[i]);
-    }
-
-    return new PdfFile(file.originalFilename, subDocument, RepresentationType.PDFLibDocument, file.filename);
-}
-
-export type RemovePagesParamsType = {
-    file: PdfFile;
-    pagesToRemoveArray: number[];
-}
-export async function removePages(params: RemovePagesParamsType): Promise<PdfFile> {
-    const { file, pagesToRemoveArray } = params;
-
-    const pdfLibDocument = await file.pdfLibDocument;
-
-    const pagesToExtractArray = invertSelection(pagesToRemoveArray, pdfLibDocument.getPageIndices())
-    return selectPages({file: file, pagesToExtractArray});
-}
-
-export type RemoveBlankPagesParamsType = {
-    file: PdfFile;
-    whiteThreashold: number;
-}
-export async function removeBlankPages(params: RemoveBlankPagesParamsType) {
-    const { file, whiteThreashold } = params;
-
-    const emptyPages = await detectEmptyPages(file, whiteThreashold);
-    console.log("Empty Pages: ", emptyPages);
-    return removePages({file, pagesToRemoveArray:emptyPages});
-}
-
-
-/**
- * Parse the page selector string used in the 'PDF Page Organizer'
- * @param pageOrderArr 
- * @param totalPages 
- * @returns 
- */
-function parseFancyPageSelector(pageNumbers: string, totalPages: number): number[] {
-    // Translated to JS from the original Java function
-    const pageOrderArr = pageNumbers.split(",")
-    const newPageOrder: number[] = [];
-
-    // loop through the page order array
-    pageOrderArr.forEach(element => {
-        if (element.toLocaleLowerCase() === "all") {
-            for (var i = 0; i < totalPages; i++) {
-                newPageOrder.push(i);
-            }
-            // As all pages are already added, no need to check further
-            return;
-        }
-        else if (element.match("\\d*n\\+?-?\\d*|\\d*\\+?n")) {
-            // Handle page order as a function
-            var coefficient = 0;
-            var constant = 0;
-            var coefficientExists = false;
-            var constantExists = false;
-
-            if (element.includes("n")) {
-                var parts = element.split("n");
-                if (!parts[0]) {
-                    coefficient = parseInt(parts[0]);
-                    coefficientExists = true;
-                }
-                if (parts.length > 1 && parts[1]) {
-                    constant = parseInt(parts[1]);
-                    constantExists = true;
-                }
-            } else if (element.includes("+")) {
-                constant = parseInt(element.replace("+", ""));
-                constantExists = true;
-            }
-
-            for (var i = 1; i <= totalPages; i++) {
-                var pageNum = coefficientExists ? coefficient * i : i;
-                pageNum += constantExists ? constant : 0;
-
-                if (pageNum <= totalPages && pageNum > 0) {
-                    newPageOrder.push(pageNum - 1);
-                }
-            }
-        } else if (element.includes("-")) {
-            // split the range into start and end page
-            const range = element.split("-");
-            const start = parseInt(range[0]);
-            var end = parseInt(range[1]);
-            // check if the end page is greater than total pages
-            if (end > totalPages) {
-                end = totalPages;
-            }
-            // loop through the range of pages
-            for (var j = start; j <= end; j++) {
-                // print the current index
-                newPageOrder.push(j - 1);
-            }
-        } else {
-            // if the element is a single page
-            newPageOrder.push(parseInt(element) - 1);
-        }
-    });
-
-    return newPageOrder;
-}
-
-function invertSelection(selection: number[], pageIndecies: number[]): number[] {
-    const pageIndeciesCopy = [...pageIndecies];
-    return pageIndeciesCopy.filter(x => !selection.includes(x));
-}
-
-//////////////////
-// Page Sorters //
-//////////////////
-function reverseSort(totalPages: number): number[] {
-    return [...Array(totalPages).keys()].reverse();
-}
-
-function duplexSort(totalPages: number): number[] {
-    // Translated to JS from the original Java function
-    const newPageOrder: number[] = [];
-    const half = Math.floor((totalPages + 1) / 2); // This ensures proper behavior with odd numbers of pages
-
-    for (let i = 1; i <= half; i++) {
-        newPageOrder.push(i - 1);
-        if (i <= totalPages - half) {
-            // Avoid going out of bounds
-            newPageOrder.push(totalPages - i);
-        }
-    }
-
-    return newPageOrder;
-}
-
-function bookletSort(totalPages: number): number[] {
-    const newPageOrder: number[] = [];
-    for (let i = 0; i < totalPages / 2; i++) {
-        newPageOrder.push(i);
-        newPageOrder.push(totalPages - i - 1);
-    }
-    return newPageOrder;
-}
-
-function sideStitchBooklet(totalPages: number): number[] {
-    const newPageOrder: number[] = [];
-    for (let i = 0; i < (totalPages + 3) / 4; i++) {
-      const begin = i * 4;
-      newPageOrder.push(Math.min(begin + 3, totalPages - 1));
-      newPageOrder.push(Math.min(begin, totalPages - 1));
-      newPageOrder.push(Math.min(begin + 1, totalPages - 1));
-      newPageOrder.push(Math.min(begin + 2, totalPages - 1));
-    }
-    return newPageOrder;
-}
-
-function oddEvenSplit(totalPages: number): number[] {
-    const newPageOrder: number[] = [];
-    for (let i = 1; i <= totalPages; i += 2) {
-      newPageOrder.push(i - 1);
-    }
-    for (let i = 2; i <= totalPages; i += 2) {
-      newPageOrder.push(i - 1);
-    }
-    return newPageOrder;
-}
-
-function removeFirst(totalPages: number): number[] {
-    return [...Array(totalPages-1).keys()].map(i => i+1);
-}
-
-function removeLast(totalPages: number): number[] {
-    return [...Array(totalPages-1).keys()];
-}
-
-function removeFirstAndLast(totalPages: number): number[] {
-    return [...Array(totalPages-2).keys()].map(i => i+1);
-}
-
-export type SortFunction = (totalPages: number) => number[];
-type Sorts = {
-    [key: string]: SortFunction;
-};
-export const sorts: Sorts = Object.freeze({
-    "REVERSE_ORDER": reverseSort,
-    "DUPLEX_SORT": duplexSort,
-    "BOOKLET_SORT": bookletSort,
-    "SIDE_STITCH_BOOKLET_SORT": sideStitchBooklet,
-    "ODD_EVEN_SPLIT": oddEvenSplit,
-    "REMOVE_FIRST": removeFirst,
-    "REMOVE_LAST": removeLast,
-    "REMOVE_FIRST_AND_LAST": removeFirstAndLast,
-});
diff --git a/shared-operations/src/index.ts b/shared-operations/src/index.ts
index f2e8acd1..abde097c 100644
--- a/shared-operations/src/index.ts
+++ b/shared-operations/src/index.ts
@@ -1,16 +1,12 @@
 
-import { 
-    sortPagesWithPreset, SortPagesWithPresetParamsType,
-    rearrangePages, RearrangePagesParamsType,
-    selectPages, SelectPagesParamsType,
-    removePages, RemovePagesParamsType,
-    removeBlankPages, RemoveBlankPagesParamsType
-} from "./functions/subDocumentFunctions";
+import { extractPages, ExtractPagesParamsType } from "./functions/extractPages";
 import { impose, ImposeParamsBaseType, ImposeParamsType } from "./functions/impose";
 import { mergePDFs, MergeParamsType } from './functions/mergePDFs';
+import { removeBlankPages, RemoveBlankPagesParamsType } from "./functions/removeBlankPages";
 import { rotatePages, RotateParamsType } from './functions/rotatePages';
 import { scaleContent, ScaleContentParamsType} from './functions/scaleContent';
 import { scalePage, ScalePageParamsType } from './functions/scalePage';
+import { sortPagesWithPreset, SortPagesWithPresetParamsType } from './functions/sortPagesWithPreset'
 import { splitOn, SplitOnParamsType } from './functions/splitOn';
 import { splitPDF, SplitPdfParamsType } from './functions/splitPDF';
 import { updateMetadata, UpdateMetadataParams } from "./functions/updateMetadata";
@@ -21,12 +17,14 @@ import { Override } from '../declarations/TypeScriptUtils'
 // Import injected libraries here!
 
 const toExport = {
-    sortPagesWithPreset, rearrangePages, selectPages, removePages, removeBlankPages,
+    extractPages,
     impose,
     mergePDFs,
+    removeBlankPages,
     rotatePages,
     scaleContent,
     scalePage,
+    sortPagesWithPreset,
     splitOn,
     splitPDF,
     updateMetadata,
@@ -34,16 +32,14 @@ const toExport = {
 export default toExport;
 
 export type OperationsParametersBaseType = {
-    sortPagesWithPreset: SortPagesWithPresetParamsType;
-    rearrangePages: RearrangePagesParamsType;
-    selectPages: SelectPagesParamsType;
-    removePages: RemovePagesParamsType;
-    removeBlankPages: RemoveBlankPagesParamsType;
+    extractPages: ExtractPagesParamsType;
     impose: ImposeParamsBaseType;
     mergePDFs: MergeParamsType;
+    removeBlankPages: RemoveBlankPagesParamsType;
     rotatePages: RotateParamsType;
     scaleContent: ScaleContentParamsType;
     scalePage: ScalePageParamsType;
+    sortPagesWithPreset: SortPagesWithPresetParamsType;
     splitOn: SplitOnParamsType;
     splitPDF: SplitPdfParamsType;
     updateMetadata: UpdateMetadataParams;
diff --git a/shared-operations/src/workflow/traverseOperations.ts b/shared-operations/src/workflow/traverseOperations.ts
index 004d53ad..612e7118 100644
--- a/shared-operations/src/workflow/traverseOperations.ts
+++ b/shared-operations/src/workflow/traverseOperations.ts
@@ -54,7 +54,7 @@ export async function * traverseOperations(operations: Action[], input: PdfFile[
                 break;
             case "extract":
                 yield* nToN(input, action, async (input) => {
-                    const newPdf = await Operations.selectPages({file: input, pagesToExtractArray: action.values["pagesToExtractArray"]});
+                    const newPdf = await Operations.extractPages({file: input, pageIndexes: action.values["pageIndexes"]});
                     newPdf.filename += "_extractedPages";
                     return newPdf;
                 });
@@ -96,7 +96,7 @@ export async function * traverseOperations(operations: Action[], input: PdfFile[
                 break;
             case "sortPagesWithPreset":
                 yield* nToN(input, action, async (input) => {
-                    const newPdf = await Operations.sortPagesWithPreset({file: input, sortPreset: action.values["sortPreset"], fancyPageSelector: action.values["fancyPageSelector"]});
+                    const newPdf = await Operations.sortPagesWithPreset({file: input, sortPreset: action.values["sortPreset"]});
                     newPdf.filename += "_pagesOrganized";
                     return newPdf;
                 });