18.1
Smallpdf is a PDF service for editing, converting, compressing, organizing, sharing, protecting, and scanning documents.
Free planAndroidiOSWeb
Best PDF Password Protectors in 2026
PDF password protectors add or change a password on a PDF. Use this list to compare tools before choosing one for your files. If you work on a Xiaomi, Redmi or POCO phone, check for an Android app first. Also compare web, Windows, macOS, iOS or Linux support, plus free plans, trials and licence terms.
27.8
Foxit PDF Editor is a document tool for editing text, annotating and converting PDFs, creating forms, signing documents, and using OCR.
AndroidiOSWeb
36.8
iLovePDF provides tools for editing PDF text, adding annotations, running OCR, converting files, and creating forms.
AndroidiOSWeb
- 4
UPDF
Free planAndroidiOSmacOSWindows6.8Free plan - 5
PDFescape
PDFescape is a PDF editor for the web and Windows, with tools to edit text, annotate documents, convert PDFs, and create forms.
Free planWebWindows6.6From $2.99 a month - 6
Soda PDF
Soda PDF provides tools to create, edit, convert, merge, compress, and manage PDF files.
AndroidiOSWebLinux6.6 - 7
Ashampoo PDF Pro 5
Windows6.5$40 one-time - 8
Wondershare PDFelement
Wondershare PDFelement is paid PDF software from Wondershare, available on Windows, macOS, iOS, Android, and the web.
AndroidiOSWebmacOS6.3 - 96.2From €71 a year
- 10
Master PDF Editor
Master PDF Editor is a PDF application from a Hong Kong-based maker that combines text editing, annotation, OCR, conversion, and form creation.
LinuxmacOSWindows5.8From $79.95 a month - 11
Adobe Acrobat Pro
AndroidiOSWebmacOS5.7 - 12
PDF24 Creator
Free planWindows5.7Free plan - 13
PDFsam Enhanced
Windows5.7From $69 a year - 145.5
Choosing well
Check Android support
An Android app can suit password work on a Xiaomi, Redmi or POCO phone. Confirm Android support on the product page before signing up or buying.
Web access can help when an Android app is not available, while Windows, macOS, iOS and Linux support may fit other devices.
Match your devices
Compare the platforms listed for a tool with the devices where you open or edit PDFs. Adobe Acrobat Pro is listed for Android, iOS, macOS, the web and Windows.
Sejda PDF Desktop is listed for Windows and Linux; Kofax Power PDF is listed for Windows.
Compare free options
A free plan can let you begin without purchasing a licence. PDF24 Creator is listed as free, while Master PDF Editor, PDFescape, PDFsam Enhanced and Sejda PDF Desktop use freemium pricing.
Adobe Acrobat Pro and Kofax Power PDF appear as paid products without free plans. Soda PDF has a free plan, and its pricing note mentions a 7-day trial.
Read trial terms
Trying a product may let you assess its password-protection workflow before payment. Check its length, renewal terms and what happens when the trial ends.
If you need to read or change the code later, check the licence and platform terms before choosing a tool.
Questions people ask
Is there an Android PDF password protector here?
Adobe Acrobat Pro is among the products listed with Android support. Confirm the product page's current Android availability before choosing a tool.
Can I use a web PDF password protector?
Web is one of the platforms represented in this category. Check the individual product page for its current platform list.
Do any listed PDF password protectors have free options?
Free plans, free pricing and freemium models are options in this category. Compare the terms before relying on a free option.
Which listed tool has a 7-day trial?
Soda PDF's pricing note mentions a free plan and a 7-day trial. Check its current terms before starting.
Is Kofax Power PDF available for Mac or Android?
The listed platform for Kofax Power PDF is Windows. Check the maker's page for any later platform changes.