Best Free Software to Fill, Save, Print, and Email PDF Forms
Question details
The user is looking for the most affordable or free software to successfully fill out, save, print, and email interactive PDF forms, specifically addressing issues with complex government documents.

- Product
- PDF Reader
- Device & OS
- not provided
- Scenario
- Filling out interactive PDF forms and securely sharing the completed documents via email.
- Observed behavior
- Users often struggle to save filled data or open complex government forms properly inside standard mobile web browsers, requiring dedicated local software instead.
Always download the blank PDF form directly to your device's local storage instead of trying to open or fill it out inside a web browser, as browsers often lack full interactive form support.
Use a Free Local PDF Reader
Download a reliable, free PDF reader app and open the form from your local storage to ensure all interactive fields work properly.
Many interactive forms, especially government forms like the IMM5257E, contain specialized scripts that will not render correctly in a mobile or desktop web browser. Opening them locally in a dedicated PDF application ensures compatibility.
Right-click the form link and select 'Save link as...' or 'Download linked file' to save the PDF directly to your computer or mobile device.
Ensure you have a free desktop or mobile app capable of reading interactive PDFs, such as WPS Office or Adobe Acrobat Reader, installed on your device.
Launch your PDF application, navigate to 'File' > 'Open', select your downloaded file, and click on the interactive fields to type your information.
Go to 'File' > 'Save As' to save the completed version of the form. Open your email client and attach this newly saved PDF to send it.

Use 'Print to PDF' for Restricted Forms
Use this method if the PDF form's security settings do not allow you to save the typed data directly.
Fill and Manage PDF Forms Easily with WPS Office
WPS Office provides a comprehensive, free-to-use PDF toolkit that lets you effortlessly fill out interactive forms, add digital signatures, print, and email documents directly from a single lightweight application.
- 1. Open the PDF Form: Launch WPS Office, click on 'Open', and select the downloaded PDF form from your local drive.
- 2. Fill in the Fields: Click on the highlighted interactive text fields or checkboxes to input your personal information securely.
- 3. Save and Share: Click the 'Save' icon in the top toolbar to keep your changes, then use the 'Share' or 'Email' button to attach the document directly to a new email draft.

Frequently Asked Questions
Why can't I open government PDF forms properly on my mobile phone browser?
Many complex government forms use proprietary form field scripts that standard mobile web browsers cannot render. You must download the file to your device storage and open it in a dedicated local PDF reader app.
How do I save a PDF form if the 'Save' button is greyed out?
If the form creator restricted the saving permissions, you can use the 'Print to PDF' workaround. Simply select 'Print' from the file menu, choose 'Save as PDF' as your designated printer, and save the flattened document.
Is it safe to use free online PDF fillers for my sensitive forms?
It is highly discouraged to upload forms containing sensitive personal information (such as Social Security Numbers, financial details, or passport numbers) to unknown online services. Always fill out sensitive forms locally using trusted desktop software.




