---
title: "PDF document editor toolbar | Nutrient"
canonical_url: "https://www.nutrient.io/guides/web/samples/customized-document-editor-toolbar/"
md_url: "https://www.nutrient.io/guides/web/samples/customized-document-editor-toolbar.md"
last_updated: "2026-06-08T09:14:14.477Z"
description: "Learn how to personalize your document editor's toolbar and footer using a simple API. Enhance user experience with our easy-to-follow example!"
---

Customize the document editor toolbar and footer items with an easy-to-use API.

[Get Started](https://www.nutrient.io/sdk/web/getting-started.md)

[All Samples](https://www.nutrient.io/guides/web/samples.md)

[Download](https://www.nutrient.io/guides/web/downloads.md)

[Launch Demo](https://www.nutrient.io/demo/)

---

```js

import PSPDFKit from "@nutrient-sdk/viewer";

import { flattenAnnotationsHandler } from "./static/index";

let instance;

export function load(defaultConfiguration) {
  const _toolbarItems = PSPDFKit.defaultDocumentEditorToolbarItems.filter(
      (item) =>
        item.type === "add" ||
        item.type === "remove" ||
        item.type === "duplicate"
    ).map((item) => {
      if (item.type === "add") {
        return {...item, className: "add-page" };
      } else if (item.type === "remove") {
        return {...item, className: "remove-page" };
      } else return item;
    });

  const customShowTotalPagesCountToolbarItem = {
    type: "custom",
    title: "Show total pages count",
    onPress: () => {
      alert(instance.totalPageCount);
    },
  };

  const additionalToolbarItems = [
    {
      type: "custom",
      title: "Flatten annotations",
      id: "flatten-annotations",
      onPress: (_, editorHandler) => {
        flattenAnnotationsHandler({
          instance,
          editorHandler,
          defaultConfiguration,
        });
      },
    },
  ];

  return PSPDFKit.load({...defaultConfiguration,
    documentEditorToolbarItems: [..._toolbarItems,
      customShowTotalPagesCountToolbarItem,
      { type: "spacer" },...additionalToolbarItems,
    ],
    documentEditorFooterItems: PSPDFKit.defaultDocumentEditorFooterItems.filter((item) => item.type!== "save-as").map((item) => {
        if (item.type === "cancel") return {...item, className: "cancel" };

        return item;
      }),
    styleSheets: ["/customized-document-editor/static/styles.css"],
  }).then((_instance) => {
    instance = _instance;
    console.log("Nutrient Web SDK successfully loaded!!", instance);

    return instance;
  });
}

```

This code sample is an example that illustrates how to use our SDK. Please adapt it to your specific use case.

---

## Related pages

- [Add watermarks to PDFs using JavaScript example](/guides/web/samples/add-watermarks-to-pdf-javascript.md)
- [Customize PDF annotation permissions using JavaScript](/guides/web/samples/custom-annotation-permissions.md)
- [PDF Collaboration permissions using JavaScript](/guides/web/samples/collaboration-permissions.md)
- [Customize the UI for PDF annotations using JavaScript](/guides/web/samples/annotations-inspector.md)
- [JavaScript PDF magazine viewer](/guides/web/samples/javascript-magazine-viewer.md)
- [Add electronic signature images to PDFs using JavaScript](/guides/web/samples/adding-image-electronic-signatures.md)
- [Hide or reveal area on PDFs using JavaScript](/guides/web/samples/hide-reveal-area-in-pdf.md)
- [Customize PDF annotation tooltips using JavaScript](/guides/web/samples/custom-annotation-tooltip.md)
- [PDF annotation in JavaScript](/guides/web/samples/javascript-pdf-annotations.md)
- [Redact PDFs using JavaScript](/guides/web/samples/javascript-pdf-redaction.md)
- [Open PDFs using JavaScript](/guides/web/samples/open-pdf-using-javascript.md)
- [PDF presentation mode using JavaScript](/guides/web/samples/presentation-mode.md)
- [View PDFs in dark mode using JavaScript](/guides/web/samples/dark-mode-pdf-viewer.md)
- [Customizing JavaScript PDF printing modes](/guides/web/samples/pdf-printing-modes.md)
- [PDF text selection using JavaScript](/guides/web/samples/pdf-text-selection-javascript.md)
- [Drag-and-drop UI in our JavaScript PDF viewer](/guides/web/samples/drag-and-drop.md)
- [Zoom example for our JavaScript PDF viewer](/guides/web/samples/zooming.md)
- [Open, view, and annotate on images using JavaScript](/guides/web/samples/annotating-images.md)
- [Handling password-protected PDFs in our JavaScript viewer](/guides/web/samples/password-protected-pdf.md)
- [Collaborate on PDFs using JavaScript](/guides/web/samples/instant-pdf-collaboration.md)
- [PDF form support using JavaScript](/guides/web/samples/javascript-pdf-form.md)
- [Create custom overlays on PDFs using JavaScript](/guides/web/samples/custom-overlay-items.md)
- [Custom HTML PDF annotations using JavaScript](/guides/web/samples/custom-annotations.md)
- [Add electronic signatures to PDFs using JavaScript](/guides/web/samples/electronic-signatures-in-pdf.md)
- [Customize the PDF toolbar using JavaScript](/guides/web/samples/customized-pdf-toolbar.md)
- [Customizing PDF text search using JavaScript](/guides/web/samples/customized-pdf-search.md)
- [Flipbook PDF viewer using JavaScript](/guides/web/samples/flipbook.md)
- [Disable PDF editing and annotations](/guides/web/samples/open-read-only-pdf.md)
- [Digitally sign a PDF using JavaScript](/guides/web/samples/javascript-digital-signatures.md)
- [Edit PDFs using JavaScript](/guides/web/samples/edit-pdf-javascript.md)
- [Storing electronic signatures in the browser using JavaScript](/guides/web/samples/stored-electronic-signatures.md)