Fortify your documents natively with AES-128 encryption. Assign strict passwords to seamlessly block unauthorized viewing, printing, or structural editing.
Modify files instantly in your browser. Update pages, insert images, add signatures, and alter layouts without watermarks. Zero software installation needed.
Convert Excel (.xlsx), CSV, and ODS spreadsheets entirely into professional PDFs. Flawlessly preserve merged cells and complex multi-sheet data structures.
Combine JPG, PNG, TIFF, and WebP files into a single document instantly. Compress output under 200KB — reorder pages securely within your browser, no signup.
Shrink documents instantly within your browser — zero upload needed. Adjust DPI and quality for specific targets. Lossless text, no signup, completely private.
Combine multiple files into one single page securely in your browser. Rearrange sheets, join scanned pages — no registration, upload limits, or watermarks.
Modify files instantly in your browser. Update pages, insert images, add signatures, and alter layouts without watermarks. Zero software installation needed.
Convert Excel (.xlsx), CSV, and ODS spreadsheets entirely into professional PDFs. Flawlessly preserve merged cells and complex multi-sheet data structures.
Combine JPG, PNG, TIFF, and WebP files into a single document instantly. Compress output under 200KB — reorder pages securely within your browser, no signup.
Shrink documents instantly within your browser — zero upload needed. Adjust DPI and quality for specific targets. Lossless text, no signup, completely private.
Combine multiple files into one single page securely in your browser. Rearrange sheets, join scanned pages — no registration, upload limits, or watermarks.
Modify files instantly in your browser. Update pages, insert images, add signatures, and alter layouts without watermarks. Zero software installation needed.
Convert Excel (.xlsx), CSV, and ODS spreadsheets entirely into professional PDFs. Flawlessly preserve merged cells and complex multi-sheet data structures.
Combine JPG, PNG, TIFF, and WebP files into a single document instantly. Compress output under 200KB — reorder pages securely within your browser, no signup.
Shrink documents instantly within your browser — zero upload needed. Adjust DPI and quality for specific targets. Lossless text, no signup, completely private.
Combine multiple files into one single page securely in your browser. Rearrange sheets, join scanned pages — no registration, upload limits, or watermarks.
Follow these simple steps to get results in seconds — no account, no downloads, no fuss.
Choose the PDF file you wish to lock down.
Define an open/user password. Optionally, toggle owner restrictions like disallowing printing or unauthorized modifications.
Execute the encryption protocol to wrap your document in highly secure cryptography before downloading.
100% Browser-Based Utility
No installation required. Works seamlessly on all mobile & desktop devices.
Everything you need to know about PDF Password Protector – Encrypt & Lock PDF. Can't find your answer? All questions are answered in detail below.
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