LockPDF Alternatives

LockPDF is described as 'free online tool to encrypt and lock PDF files. Password protect your PDF's with a strong encryption in just a few seconds. With our easy-to-use online PDF protection tool, simply upload your PDF, set your password, and download the secured PDF ready for sharing' and is an website. There are more than 10 alternatives to LockPDF, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best LockPDF alternative is PDFTK Builder, which is both free and Open Source. Other great sites and apps similar to LockPDF are PDFEncrypt, QPDF, PDF Architect and PDFTools.

LockPDF alternatives are mainly PDF Editors but may also be Document Managers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of LockPDF.

LockPDF

Free • Proprietary

LockPDF is a free online tool to encrypt and lock PDF files. Password protect your PDF's with a strong encryption in...

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PDFTK Builder
Is this is a good alternative?
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No
Free • Open Source
PDF Editor
Windows
PortableApps.com
79 PDFTK Builder alternatives
PDFTK Builder is a free graphical interface to for PDFtk, making it much easier to use. It is a easy to use tool to collate (merge), split, encrypt, decrypt, stamp and rotate (only 90°, 180° or 270°) pdf documents.
- - PDFTK Builder is the most popular Windows alternative to LockPDF.
- - PDFTK Builder is the most popular Open Source & free alternative to LockPDF.
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PDFTK Builder Features
1. LightweightPDFTK Builder consumes less device resources compared to similar apps.
2. Combine PDFCombine, merge and arrange PDF files into one document.
3. PortablePDFTK Builder can be used from a USB stick or similar with no prior installation.
Split and merge PDF files
Password protection
Reorder pages
Create PDF files
PDFEncrypt
Is this is a good alternative?
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No
Free • Open Source
Windows
13 PDFEncrypt alternatives
PDFEncrypt is a free, open-source utility for Windows that encrypts any PDF file using industry-standard encryption algorithms. Simply select the unencrypted file, enter a password, and the encrypted file is generated.
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PDFEncrypt Features
1. PDF encryptionPDFEncrypt can encrypt and decrypt PDF documents.
AES Encryption
Create PDF files
Add Password to PDF
QPDF
Is this is a good alternative?
Yes
No
Free • Open Source
Windows
Linux
BSD
23 QPDF alternatives
It could have been called something like pdf-to-pdf. It also provides many useful capabilities to developers of PDF-producing software or for people who just want to look at the innards of a PDF file to learn more about how they work.
- - QPDF is the most popular Linux alternative to LockPDF.
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QPDF Features
1. Command line interfaceQPDF either have CLI support or is a CLI-only app.
C++
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PDF Architect
Is this is a good alternative?
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No
Freemium • Proprietary
PDF Editor
Windows
78 PDF Architect alternatives
PDF Architect is a PDF Editor with free functions like rotate, delete and move pages and even more like editing text, PDF to Word, 256 Bit AES Encryption and more.
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PDF Architect Features
1. Combine PDFCombine, merge and arrange PDF files into one document.
2. Sign PDF filesPDF Architect support signing a PDF document digitally on a touch screen etc.
3. PDF encryptionPDF Architect can encrypt and decrypt PDF documents.
Edit PDF
Convert PDF to Excel document
Create PDF files
Convert PDF to Word document
Convert PDF to Text
Convert PDF to image
PDFTools
Is this is a good alternative?
Yes
No
Free • Proprietary
Windows
100 PDFTools alternatives
PDFTools is a PDF management application. It can encrypt, decrypt, join, split, stamp, create and rearrange a PDF file.
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PDFTools Features
1. PDF encryptionPDFTools can encrypt and decrypt PDF documents.
2. Sign PDF filesPDFTools support signing a PDF document digitally on a touch screen etc.
3. Combine PDFCombine, merge and arrange PDF files into one document.
Edit PDF
PDF OCR
Create PDF files
Interface Overlay
Discontinued
Last version, 1.3, was released on August 2007. It is still downloadable from the official website.
PyPDF2
Is this is a good alternative?
Yes
No
Free • Open Source
PDF Editor
Mac
Windows
Linux
61 PyPDF2 alternatives
PyPDF2 - A utility to read and write pdfs with Python.
- - PyPDF2 is the most popular Mac alternative to LockPDF.
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PyPDF2 Features
1. Combine PDFCombine, merge and arrange PDF files into one document.
2. Split PDF filesPyPDF2 can split PDF files into multiple documents.
3. PDF encryptionPyPDF2 can encrypt and decrypt PDF documents.
iSafePDF
Is this is a good alternative?
Yes
No
Free • Open Source
Windows
19 iSafePDF alternatives
iSafePDF is a free open source PDF protection software.

It allows you to encrypt PDF document, sign them using a certificate and timestamp the signature.

All those features are PDF standards so your document will be readable/editable with all standard PDF programs.
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iSafePDF Features
1. PDF encryptioniSafePDF can encrypt and decrypt PDF documents.
Pdf protection
CapLinked FileProtect
Is this is a good alternative?
Yes
No
Paid • Proprietary
Document Manager
Mac
Windows
12 CapLinked FileProtect alternatives
FileProtect provides a secure digital rights management (DRM) wrapper around all your sensitive files, including Adobe PDF and Microsoft Office (Word, Excel, Powerpoint). With FileProtect, there are no plugins to install or update — it all just works.
- - CapLinked FileProtect is the most popular commercial alternative to LockPDF.
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CapLinked FileProtect Features
Document sharing
Digital rights management
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Locklizard Safeguard PDF Security
Is this is a good alternative?
Yes
No
Paid • Proprietary
Document Manager
Mac
Windows
Android
iPhone
Android Tablet
iPad
21 Locklizard Safeguard PDF Security alternatives
Locklizard Safeguard PDF Security provides total PDF DRM protection and control over your documents through a multi-layered protection mechanism that does not rely on passwords.
- - Locklizard Safeguard PDF Security is the most popular Android, iPhone, iPad & Android Tablet alternative to LockPDF.
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Locklizard Safeguard PDF Security Features
Digital rights management
Ignissta PDF Lock Unlock
Is this is a good alternative?
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No
Paid • Proprietary
Windows
49 Ignissta PDF Lock Unlock alternatives
IGnissta PDF Lock Unlock Tool is a quick and easy to lock your personal PDF files with passwords and unlock PDF copy, print, edit securities, which offered you in free PDF unlocker demo version. Our efficient secured PDF unlock tool helps you to remove PDF restrictions.
Ignissta PDF Lock Unlock has no features, suggest some!
FileOpen RightsManager
Is this is a good alternative?
Yes
No
Paid • Proprietary
Document Manager
Windows
10 FileOpen RightsManager alternatives
FileOpen RightsManager is a client/server solution for encrypting and managing access to documents from your desktop. With RightsManager, you encrypt your documents locally, so there is no need to upload unencrypted documents to an unknown server.
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FileOpen RightsManager Features
Offline data access
Watermarking
Server Authentication
Time-Limited Offline Access
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Secret PDF
Is this is a good alternative?
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No
Free • Proprietary
Windows
20 Secret PDF alternatives
Secret PDF is capable of preventing unauthorized distribution and protect the PDF document from editing, copying, printing and converting. Keep your PDF in safe situation.
Secret PDF has no features, suggest some!
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