Is it safe to sign a PDF online?
Yes. ProPDF uses SSL/TLS encryption to protect all uploads and downloads. Your signed document is processed privately and deleted from our servers after a few hours. Nothing is stored.
Related Articles
Is my file secure when using ProPDF?
Yes. Files are encrypted during transfer (SSL/TLS), processed in an isolated environment, and automatically deleted from the servers a few hours after processing. In addition, we never store, reuse, or view your files.
Is ProPDF a safe PDF compressor?
Yes. All files are encrypted, processed securely, and deleted automatically after compression.
How do I merge PDF files for free?
Follow the steps below to merge your PDF files for free: Open the Merge PDF page. Upload your files (from device, URL, Dropbox, Google Drive, or OneDrive). Arrange them in the order you want. Click the "Merge Files" button. It's free and requires no ...
How do I compress a PDF for free?
Follow the steps below to compress your PDF for free: Open the Compress PDF page. Upload your file (from device, URL, Dropbox, Google Drive, or OneDrive). Choose a compression level: High, Medium, or Low. Click the Compress Files button. It's free ...
How do I resize a PDF online for free?
Follow the steps below to resize your PDF online for free: Open the Resize PDF page. Upload your file from device, URL, Dropbox, Google Drive, or OneDrive. Select a standard page size (i.e. A4, Letter, or Legal) or set a custom page size. Adjust DPI ...