I am using Foxit Reader version and “Manage Signatures” only allows me to add a signature, not delete a signature.


I finally figured it out. The manual says

To manage the signature, do the following: Choose PROTECT tab > Protect > PDF Sign > Manage Signature. In the Manage Signature dialog box, click Create to create a signature. Select a signature you created, click Edit and you can change your signature. You can preview the signature after you edit it. To delete a signature, select the signature and click Delete.

I couldn't figure out how to select because the various signatures I had created weren't in a dropdown list, or separated by anything. Nevertheless, it turns out they are selectable:

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  • This is exactly what I thought it should be like, but my copy of Foxit Reader didn't have "Manage Signatures" in Protect > PDF Sign. Adolfo's answer worked for me. – 3D1T0R Jul 24 '18 at 20:36
  • @3D1T0R - What version were you using? Was it an older version? – aparente001 Jul 26 '18 at 3:35
  • I had been on an older version previously, but since this option wasn't available to me, I ran the built in updater (I'm now on Version: and it still isn't there. – 3D1T0R Jul 26 '18 at 17:59

In Windows first find the file with the signature you want to delete. For this you need to open a command prompt (black screen):

dir %SystemDrive%\ /b /s | find /i "InstaSign" | find /i "UserSign"

Then open that directory and delete the signature file. Signatures are PDF documents that you can open with Foxit itself. Just delete what you want.

If you want to search only within your account use this version:

dir %HOMEPATH%\ /b /s | find /i "InstaSign" | find /i "UserSign"
  • They're saved in %APPDATA%\Foxit Software\Foxit Reader\InstaSign\UserSign. – 3D1T0R Jul 24 '18 at 20:41

As far as I know, for advanced editing you need FoxitPhantomPDF.

  • 1
    I'm just trying to manage my collection of signatures, not edit the document. – aparente001 Sep 20 '15 at 13:16

I have phantom standard and had a signature I no longer have the password for. It took me forever to find the "manage signature" spot, but to delete it I still needed the password. I found the file in appdata>roaming>foxit software>foxit PhantomPDF>Instasign>UserSign. From here I could delete it without a password. Of course, this is windows based directions, but I imagine Mac has a similar user file that probably very very hidden because they don't trust their users at all. Maybe something to do with dragging the harddrive to the trash.

  • So, do you have an answer to the question of how to delete a signature in Foxit Reader?  If so, please explain it. – Scott Sep 8 '17 at 1:24

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