> For the complete documentation index, see [llms.txt](https://docs.apryse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.apryse.com/salesforce/open-save/load-tiff-documents-salesforce.md).

# Open TIFF documents in Salesforce

Learn how to use config.js with Webviewer, load .tiff files, and convert them to PDF. Explore a sample project on Salesforce PDF App and try the live demo. Salesforce WebViewer adds accurate, reliable

## Getting Started

We recommend the [Overview](/salesforce/get-started/readme.md) page to learn how to correctly use a `config.js` before getting started with using Webviewer.

<a href="https://github.com/ApryseSDK/salesforce-webviewer-tiff-viewer" class="button primary">Sample Project</a>

## Open Document

To view and load `.tiff` files first will be different than loading a standard document file. First you'll need to configure the lwc component `pdftronWvInstance` to divert any tiff files uploaded or selected files and create another `iframeWindow.postMessage` to the config file and transport the tiff file payload.

{% tabs %}
{% tab title="JavaScript" %}
{% code lineNumbers="true" %}

```js
handleBlobSelected(record) {
    const blobby = new Blob([_base64ToArrayBuffer(record.body)], {
      type: mimeTypes[record.FileExtension]
    });

    const payload = {
      blob: blobby,
      extension: record.cv.FileExtension,
      filename: record.cv.Title + "." + record.cv.FileExtension,
      documentId: record.cv.Id
    };

    switch (payload.extension){
      case 'tiff':
        this.iframeWindow.postMessage({ type: 'OPEN_TIFF_BLOB', payload }, '*');
        break;
      default:
        this.iframeWindow.postMessage({ type: 'OPEN_DOCUMENT_BLOB', payload }, '*');
        break;
    }
  }
```

{% endcode %}
{% endtab %}
{% endtabs %}

### Recieve Message

In your config file, `recieveMessage` method would receive the tiff file payload. You can then use the full API to manually create a document, add the TIFF image to the document and load the document in WebViewer:

{% tabs %}
{% tab title="JavaScript" %}
{% code lineNumbers="true" %}

```js
window.addEventListener("message", receiveMessage, false);

function receiveMessage(event) {
  if (event.isTrusted && typeof event.data === 'object') {
    switch (event.data.type) {
      case 'OPEN_TIFF_BLOB':
        loadTIFF(event.data.payload)
        break;
      default:
        break;
    }
  }
}

async function loadTIFF(payload){
  var blob = payload.blob;
  
  await PDFNet.runWithoutCleanup(async () => {
    var newDoc = await PDFNet.PDFDoc.create();
    newDoc.initSecurityHandler();
    newDoc.lock();

    let bufferTiff = await blob.arrayBuffer();
    const tiffFile = await PDFNet.Filter.createFromMemory(bufferTiff);
    await PDFNet.Convert.fromTiff(newDoc, tiffFile);
    const buffer = await newDoc.saveMemoryBuffer(PDFNet.SDFDoc.SaveOptions.e_linearized);
    newDoc.unlock();
    instance.loadDocument(newDoc);
  });
}
```

{% endcode %}
{% endtab %}
{% endtabs %}

If you want to download from the Webviewer instance, it would be converted to a `pdf` file.

## Sample project

You can review the Salesforce PDF App to showcase an end-to-end example of search, and how you can leverage it for redaction and content replacing on our [Github repository](https://github.com/ApryseSDK/salesforce-webviewer-tiff-viewer/).

## Live demo

Check out this live [Demo](https://showcase.apryse.com) (hosted outside of Salesforce).


---

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