Cách chèn chữ ký vào file PDF đơn giản, nhanh chóng

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The use of electronic signatures in online procedures or on Word and PDF documents is now no stranger. Inserting a signature into a PDF file is also being searched a lot by you, so what are the ways to insert a signature into a PDF file, how to do it to insert a signature into a PDF file as quickly as possible. So, please refer to the simple and fast way to insert a signature into a PDF file that Trung Tâm Đào Tạo Việt Á shares below.

  • 1. How to insert a signature into a PDF file with Foxit Reader
  • 2. How to insert a signature into a PDF file with Adobe Reader
  • 3. How to insert a signature into a PDF file online at PDF24
  • 4. How to insert signatures into PDF files on iOS phones
  • 5. How to insert signatures into PDF files on Android phones

1. How to insert a signature into a PDF file with Foxit Reader

If you are using Foxit Reader to read PDF, you can insert signature into PDF file directly using Foxit Reader by following steps:

Step 1: Open the folder containing the PDF file you want to insert the signature, right-click and select Open with Foxit Reader.

Select Open with Foxit Reader

Or you open Foxit Reader, then select the Open icon and select the PDF file to insert the signature.

Step 2: On the Foxit Reader interface, select Protect -> PDF Sign to open the PDF Sign section.

Select PDF Sign

Step 3: In the Sign section, select the + symbol of Create Signature.

Select the + symbol of Create Signature

Step 4: Create a signature in the Create Signature window.

There are 5 ways to insert signatures into PDF files: Draw Signature – hand-drawn signatures; Import File – import the signature file; Paste from Clipboard – paste signature from Clipboard; Type Signature – machine-written signature; Online Signature – online signature.

Create a signature in the Create Signature window

  • Draw Signature

If you select Draw Signature, Draw Signature appears, you use the mouse pointer to write your signature. If wrong, select Clear to delete and rewrite. After you have written the signature as desired, select OK.

Use your mouse pointer to write your signature

So you have a signature in the Preview section.

You already have a signature in Preview

  • Import File

If you want to use an existing image signature, select Import File.

Select Import File

The Open window appears, select the image you want to use as a signature and select Open.

Select the image you want to use as a signature and select Open

Now the Create Signature window will appear the image you selected in the Preview section.

The Create Signature window will appear the image you selected in the Preview section

  • Paste from Clipboard

Add an option to create your signature if you copied it to the Clipboard, choose Paste from Clipboard.

Select Paste from Clipboard

Immediately the image in the Clipboard will be pasted into the Preview section.

The image in the Clipboard will be pasted into the Preview section

  • Type Signature

If you want to create a signature inserted into the PDF file by writing on your computer, choose Type Signature. The Type signature window appears, enter the signature you want to create in the Type signature section, select the font in the Choose font section. You will see the signature in the Preview section. Click OK once done.

Enter the signature you want to create in the Type signature section, select the font in the Choose font section

Thus the signature will also be displayed in the Preview section of the Create Signature window.

The signature is displayed in the Preview section of the Create Signature window

  • Online Signature

You can also find signatures online on the Internet by selecting the Online Signature section. Then log in to your Foxit Reader account and find the online signature then the signature will also be displayed in the Preview section.

Select Online Signature

Step 5: After you have the signature you need to insert into the PDF file in the Preview section, install the signature with 4 options in Options.

  • Convert signature to black and white: Convert signature to black and white.
  • Keep original size: Keep the original size.
  • Discard this signature when program closes: Discard this signature when program closes.
  • Require password to use this signature: Require password to use this signature.

After completing the signature, select Save.

After you have completed the signature, select Save

Step 6: The newly created signature section appears, move the signature to where you want to insert the signature into the PDF file. Then hold down the mouse and drag the area containing the signature, if the area you drag is large, the signature is large, if the area is small, the signature is small. So you have inserted the signature into the PDF file quickly.

Move the signature to where you want to insert the signature in the PDF file

2. How to insert a signature into a PDF file with Adobe Reader

If you are using Adobe Reader to read and edit PDF files, then to insert signatures into PDF files right on Adobe Reader, do the following:

Step 1: Open the PDF file that needs to be signed with Adobe Reader PDF reader software.

Open PDF file to insert signature with PDF reader software Adobe Reader

Step 2: In the All tools section, select Fill & Sign.

Select Fill & Sign

Step 3: The Sign section appears, in the Fill and Sign yourself section select Add Signature.

Select Add Signature

Step 4: A window will appear with 3 options for you Type – enter a signature, Draw – draw a signature, Image – a signature with an image.

  • Type

If you choose Type, just enter your signature in the Type your name here section. Change the font style in the Change style section.

Enter your signature in the Type your name here section

  • Draw

If you choose a hand-drawn signature Draw, you use the mouse pointer to write your handwritten signature, the signature will be displayed right on the window. If the drawing is wrong, select Clear to erase and redraw.

When you select Draw, you use the mouse pointer to write your handwritten signature

  • Image

To use the image as a signature to insert into the PDF file, choose Image -> Select Image.

Select Select Image

The Select Image window appears, select the signature image and select Open.

The Select Image window appears, select the signature image and select Open

Step 5: After creating the signature, select Apply to apply the signature to the PDF file.

Select Apply to apply the signature to the PDF file

Move the mouse pointer and select the position you want to insert. So you have inserted the signature into the PDF file, you can enlarge, reduce the signature or delete the signature.

Move the mouse pointer and select the position you want to insert

3. How to insert a signature into a PDF file online at PDF24

You can also insert a signature into a PDF file online right on the PDF24.org website without going through any third-party software on your computer.

Step 1: First you access https://tools.pdf24.org/en/ky-ten-pdf.

Step 2: On the website, click Choose file and select the PDF file to insert the signature, or you can drag and drop the PDF file directly into the file selection box.

Click Choose file and select the PDF file to insert the signature

Step 3: After the website processes the PDF file and displays the content of the PDF file right on the website, select the Add pen-shaped signature icon.

Select the Add pen-shaped signature icon

Step 4: Create a signature for the PDF file. The website supports you with 3 options to create a signature: Draw – draw the signature directly into the space, Upload – upload an image signature, Camera – use the camera to get an image signature.

Create signatures for PDF files

Step 5: After creating the signature, select the blue check icon.

Select the blue check icon

Next insert the signature at the position you want on the PDF file.

Insert the signature where you want on the PDF file

Step 6: Select the Save icon to save the file.

Select the Save icon to save the file

After the web has finished saving the PDF file, you select Download to download the signed PDF file to your computer.

Select Download to download the signed PDF file to your computer

4. How to insert signatures into PDF files on iOS phones

If the PDF document is sent by mail, you can insert the signature into the PDF file directly at the mail on your iOS device.

Step 1: At Gmail, choose to open the PDF file to insert the signature, then select the pen icon.

Choose to open the PDF file to insert the signature, then select the pen icon

Step 2: Next, select the + sign and select Signature.

Select the + and select Signature

Step 3: In the New Signature section, draw the signature directly on the screen, then select Done.

You draw the signature directly on the screen

Step 4: You just need to drag the signature to the position where you want to insert the signature into the PDF file, zoom in and out by dragging the four corners of the signature. Then press Done -> Save to File to finish.

You just need to drag the signature to the position where you want to insert the signature into the PDF file

5. How to insert signatures into PDF files on Android phones

On phones using the Android operating system, there are many applications that help you insert signatures into PDF files, you can immediately use the free Adobe Acrobat Reader application.

Step 1: If your phone does not have Adobe Reader application, you need to download and install the application on your phone.

Download and install Adobe Reader

Step 2: Open the Adobe Reader application, select Files -> On This Device -> select the PDF file you want to insert the signature.

Select the PDF file you want to insert the signature

Step 3: On the PDF file that needs to be signed, select Fill & Sign.

Select Fill & Sign

Step 4: Select the pen icon and select Add signature to start creating a signature.

Select the pen icon and select Add signature to start creating a signature

Step 5: Here, you also have 3 signature creation options that are Draw, Image and Camera, you create the signature as desired. Then press Done.

Make your signature then press Done

Step 6: Select the location where you want to insert the signature into the PDF file, then click the check icon on the upper left to save the PDF file after inserting the signature.

Select the location where you want to insert the signature into the PDF file

Thus, above Trung Tâm Đào Tạo Việt Á shared with you the simplest and fastest ways to insert signatures into PDF files. You can insert a signature into a PDF file with a PDF reader software on your computer, or insert a signature into a PDF file online, if working by phone, you can also easily insert a signature into a PDF file. on iOS or Android phones. Hopefully after this article you will have a better understanding and know how to insert signatures into PDF files. Thank you for your interest in and following this article.

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