cancel Show PDF JavaScript Code

Yes, our online PDF show JavaScript and detect malicious code tool is free to use permanently, no registration, subscription or software download is required. We are committed to providing secure and reliable document analysis services.

This tool parses the PDF file structure and looks for JavaScript code that may exist in the following locations:

• AcroForm form field events (such as button clicks)
• Automatically executed scripts when the document is opened/closed
• Scripts embedded in annotations, links, and action objects

All found JavaScript will be extracted and displayed to the user.

Yes, this tool will not only list all JavaScript code, but also intelligently analyze the script content and mark the following types of risky behaviors:

• Attempt to access the local file system (<code>app.launchURL()</code>)
• Attempt to execute Shell commands (<code>util.shell()</code>)
• Load content from a remote URL (potential phishing or download attacks)
• Modify PDF self-content or metadata

The system will generate asecurity scorefor each script to help you determine its risk level.

Your file security is our top priority. All uploaded PDF files will beimmediately deleted from the serverafter the operation is completed. We do not store or access any of your personal data or document content. The entire operation process is encrypted to ensure your privacy and security.

Yes, our online tool isfully compatible with various devices and operating systems. Whether you use a computer, mobile phone, or tablet, as long as you have an internet connection, you can easily analyze JavaScript and potential risks in PDF files anytime, anywhere.

Currently, this tool supportsprocessing one PDF file at a time, to ensure the best operating experience and output quality. For batch processing needs, we are actively developing relevant functions, so please stay tuned for subsequent updates!

This tool supports most standard PDF formats, includingPDF/A, PDF/X, PDF/UAand other common types. As long as the file is not protected by DRM or special encryption, JavaScript analysis and security detection can be performed normally.