How to Edit a Fillable PDF After It Has Been Digitally Signed
Question details
The user needs to know if and how they can edit fillable fields in a PDF document after it has already been electronically signed.
- Product
- Device & OS
- not provided
- Scenario
- A supervisor has reviewed and digitally signed a PDF form, but additional edits need to be entered into the fillable fields after the signature was applied.
- Observed behavior
- Depending on the signature settings, the fillable fields may remain editable or become locked, preventing any further modifications to the document.
Verify whether the digital signature was configured with a 'lock document after signing' option, as this determines if direct edits are still possible without clearing the signature first.
Check Signature Permissions and Edit Fields Directly
Use this method if the signer did not restrict or lock the document upon applying their digital signature.
A digital signature does not inherently lock a PDF unless the signer specifically chooses to restrict further edits. If the document was certified to allow form fill-in or if the locking option was unchecked, you can simply open it and continue typing.
Launch your PDF editor and open the digitally signed file you need to modify.
Click into the fillable form field you wish to edit. If a text cursor appears, the field is unlocked.
Type your new information into the fields and save the document. Be aware that the PDF viewer may display a banner indicating that changes were made after the signature was applied.
Clear the Digital Signature to Unlock the PDF
If the fillable fields are locked by the signature, the signature must be removed before any edits can be made.
Edit and Manage Signed PDFs Easily with WPS Office
WPS Office offers a comprehensive PDF toolkit that allows you to manage fillable forms, check digital signature permissions, and clear or apply new signatures effortlessly.
- 1. Open Your PDF: Download and install WPS Office, then open your signed PDF document in the WPS PDF viewer.
- 2. Check Permissions: Navigate to the 'Protect' tab to view signature details and determine if the document is locked for editing.
- 3. Edit and Sign: Click on any active fillable field to make your edits. If needed, use the signature tools to clear an old signature and apply a new one securely.
Frequently Asked Questions
Why can't I edit my PDF form after someone signed it?
When applying a digital signature, the signer has the option to check a box that says 'Lock document after signing.' If this setting is enabled, all form fields and text are permanently locked to prevent unauthorized tampering.
Does editing a signed PDF invalidate the existing signature?
In most PDF viewers, making allowed changes (like filling in unlocked form fields) won't completely invalidate the signature, but it will trigger a warning stating that the document contains changes made after it was signed. Modifying locked content or core text will invalidate the signature entirely.
Can anyone clear or remove a digital signature from a PDF?
Generally, only the person who originally placed the digital signature can clear it. They must be logged into the same computer or have the corresponding digital ID (certificate) installed on their device to authenticate the removal.
