How to open a .XFDF file online
Three steps, a few seconds, no software.
Choose your .XFDF file
Drag your .XFDF file onto the box above or click Choose file. You can also paste a link.
Supported
Your .XFDF file is opened and its pages, version and properties are shown.
Read, print or save
Scroll, zoom and search your .XFDF file, print it, or go fullscreen for comfortable reading.
What is a .XFDF file?
Everything worth knowing about XML Forms Data Format files.
An XFDF file is a data file developed by Adobe Systems for use with Adobe Acrobat. It typically contains form data and annotations exported from a PDF document. These files are primarily opened and processed by Adobe Reader.
Programs that open .XFDF files
| Full name | XML Forms Data Format |
|---|---|
| Developer | Adobe Systems (now Adobe Inc.); standardized as ISO 19444-1:2019 |
| First released | 2000 (Acrobat 5 era); latest spec XFDF 3.0 — ISO 19444-1:2019, based on PDF 2.0 / ISO 32000-2 |
| Category | Documents |
| MIME type | application/vnd.adobe.xfdf |
| Signature | 3C 3F 78 6D 6C |
Related tools
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Is my .XFDF file uploaded to your server?
No. When you choose a file, it's opened directly for you. The "From URL" option fetches the file through our server for you.
Can I open a password-protected .XFDF file?
Yes. The viewer will ask for the password, just like a desktop reader. The password is never sent anywhere.
Is there a file size limit?
You can open a .XFDF file up to 100 MB. Very large files may take a moment to render on older phones.
Why does my .XFDF file open in a new tab on my phone?
Some mobile browsers can't display these files inside a page. In that case we hand the file to your phone's own viewer, which is the fastest way to read it.
My file says .XFDF but won't open. Why?
It might not be a .XFDF file at all. The viewer checks the file's signature and tells you what the file really is, plus which tool can open it.
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