From the All tools menu, select Add a stamp > Custom stamps > Create.
Last updated on
Sep 23, 2025
Learn how to create custom dynamic stamps that automatically update with information like date, time, and user details. By consistently marking documents with real-time data, you can ensure workflow accuracy and efficiency.
Before you begin
Identify or create the image you want to use for your stamp and save it in a supported format, such as PDF, JPEG, or PNG. The image could be a company logo, signature, or graphic.
Windows
In the dialog box that opens, select Browse to locate and choose the image file, and then select Open.
Once the image loads, select OK.
In the Create Custom Stamp dialog box, select Dynamic in the Category field, enter a name for the stamp, and then select OK.
Navigate to the following directory and open the newly created PDF stamp file:
C:\Users\<username>\AppData\Roaming\Adobe\Acrobat\DC\Stamps
Select All tools > Prepare a form > Create form.
Select Text field, place it on the stamp, switch to the Select tool, and then double-click the text field.
In the Text Field Properties dialog box, select Calculate > Custom calculation script, and then select Edit.
In the JavaScript Editor, type the following script and select OK:
event.value = util.printd("h:MM tt, mmm dd yyyy", new Date)
Select Close in the Text Field Properties dialog box and save the modified stamp file.
Open the PDF you want to stamp and go to All tools > Add a stamp > Custom stamps.
Select your dynamic stamp and click on the desired spot in the document to place it.
The configured stamp appears automatically.
macOS
From the All tools menu, select Add a stamp > Custom stamps > Create.
In the dialog box that opens, select Browse to locate and choose the image file, and then select Open.
Once the image loads, select OK.
In the Create Custom Stamp dialog box, select Dynamic in the Category field, enter a name for the stamp, and then select OK.
Navigate to the following directory and open the newly created PDF stamp file:
/Users/<username>/Library/Application Support/Adobe/Acrobat/DC/Stamps
Select All tools > Prepare a form > Create form.
Select Text field, place it on the stamp, switch to the Select tool, and then double-click the text field.
In the Text Field Properties dialog box, select Calculate > Custom calculation script, and then select Edit.
In the JavaScript Editor, type the following script and select OK:
event.value = util.printd("h:MM tt, mmm dd yyyy", new Date)
Select Close in the Text Field Properties dialog box and save the modified stamp file.
Open the PDF you want to stamp and go to All tools > Add a stamp > Custom stamps.
Select your dynamic stamp and click on the desired spot in the document to place it.
The configured stamp appears automatically.
