Is ProPDF a safe PDF compressor?
Yes. All files are encrypted, processed securely, and deleted automatically after compression.
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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.
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 ...
Does ProPDF work for scanned PDFs?
Yes. Our engine efficiently compresses scanned documents, reducing their size without compromising readability.
How do I combine two PDFs?
Follow the steps below to combine two PDFs: Open the Merge PDF page. Upload both PDFs (from device, URL, Dropbox, Google Drive, or OneDrive). Arrange them in the order you want. Click the "Merge Files" button. Hope that helps.