![]() Great article Joe! As usual, your explanation and instructions are straightforward and easy to follow. This lets me know what is valuable for EE members and provides direction for future articles. If you find this article to be helpful, please click the thumbs-up icon below. Happy document signing – without having to print it, sign it in ink, and then scan it back in. If you are wondering how to create a Custom Stamp with your signature in Adobe Acrobat, this EE article explains it: To show how this works, here is a screenshot of the transparent signature placed on a document, using the same PDF file and the same Custom Stamp feature in Adobe Acrobat that were used with the non-transparent signature at the beginning of this article: The PNG file saved in the step above now has your signature with transparent background. ![]() After you click the white area, it will be transparent! So click the mouse on the white background (this assumes, of course, that your scanned signature is dark ink on white paper). Now the critical step occurs – it will ask you to click in the image to set the transparent color: (7) Click Save in the main Save Picture As window. Also, I've had success using the transparent signature in more products when Save Transparency as Alpha channel is ticked. no compression, results in a very large file). In particular, Compression level 1, which makes the file larger (but still a reasonable size) and the quality higher, is a good idea for a signature ( Compression level 0, i.e. (6) I have experimented with various settings in the PNG section of the save options dialog, and I recommend the settings shown in the screenshot above. (5) You will see a separate window with the PNG/PNM/ICO save options, like this: (4) In the Save as type drop-down, select PNG: At the bottom of the Save Picture As dialog, tick the Show options dialog box: (3) Now save the image as a PNG file, which supports transparency. At that point, you'll have something like this: (2) I recommend cropping the signature by dragging the mouse from the upper left to the lower right and selecting the Edit menu, then Crop selection. (1) Run IrfanView and open the file that has your scanned signature. Here are the steps for making your signature background transparent after installing IrfanView: For this situation, you don't need them, unless your scanned signature is in a PDF file, in which case you do need them. Although I recommend adding the PlugIns to get PDF support, that's for general, future usage. ![]() Install IrfanView first, then install the PlugIns. Installing the PlugIns is optional – required only if you want PDF support (and the other features that come with the PlugIns). The solution described in this article requires a product called IrfanView, excellent (and free!) imaging software:Īt the URL above, click the Download link on the left to download IrfanView and click the PlugIns link on the left to download the PlugIns, which are needed to give you PDF capability. Here's an example of the problem, showing how the surrounding document is overlaid when the non-transparent signature is placed on a PDF (in this case, via the Custom Stamp feature in Adobe Acrobat): The Original Poster has a scanned signature and wants to make the background transparent so that the signature may be placed on documents without obliterating the surrounding text. ![]() This article is in response to a question here at Experts Exchange. ![]()
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