Best SysTools PDF Unlocker Alternatives in 2026
Updated
20 platforms from PDF editors ranked against SysTools PDF Unlocker on the same published basis.
- 1SysTools PDF Unlocker vs ONLYOFFICE PDF Editor
- 2SysTools PDF Unlocker vs LightPDF
- 3SysTools PDF Unlocker vs pdfFiller
- 4SysTools PDF Unlocker vs HiPDF
- 5SysTools PDF Unlocker vs Smallpdf
- 6SysTools PDF Unlocker vs WPS PDF Editor
- 7SysTools PDF Unlocker vs PDFgear
- 8SysTools PDF Unlocker vs DocHub
- 9SysTools PDF Unlocker vs Adobe Acrobat Sign
- 10SysTools PDF Unlocker vs iLovePDF
- 11SysTools PDF Unlocker vs Sejda PDF Editor
- 12SysTools PDF Unlocker vs PDF Candy
- 13SysTools PDF Unlocker vs KDAN PDF
- 14SysTools PDF Unlocker vs Foxit PDF Editor
- 15SysTools PDF Unlocker vs UPDF
- 16SysTools PDF Unlocker vs PDFescape
- 17SysTools PDF Unlocker vs Stirling PDF
- 18SysTools PDF Unlocker vs PDF-XChange Editor
- 19SysTools PDF Unlocker vs PDF Architect
- 20SysTools PDF Unlocker vs PDF Agile
SysTools PDF Unlocker alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | ONLYOFFICE PDF Editor | 8.8 | Free plan | — | Android, API, iOS, Linux, Mac, self-hosted, Web, Windows |
| 2 | LightPDF | 8.3 | Free plan | $1.33/mo | Android, API, Browser, iOS, Mac, Web, Windows |
| 3 | pdfFiller | 7.8 | No | $8/mo | API |
| 4 | HiPDF | 7.7 | Free plan | $3.33/mo | Android, API, Browser, iOS, Linux, Mac, Web, Windows |
| 5 | Smallpdf | 7.5 | Free plan | $10/mo | Android, iOS, Web, Windows |
| 6 | WPS PDF Editor | 7.5 | Free plan | — | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 7 | PDFgear | 7.2 | Free plan | Free | Android, iOS, Mac, Web, Windows |
| 8 | DocHub | 7.2 | Free plan | Free | Android, iOS, Web |
| 9 | Adobe Acrobat Sign | 7.2 | No | — | API, Web |
| 10 | iLovePDF | 7.1 | No | — | Android, iOS, Mac, Web, Windows |
| 11 | Sejda PDF Editor | 7.1 | Free plan | Free | Linux, Mac, Web, Windows |
| 12 | PDF Candy | 7.1 | Free plan | $0.33/mo | Android, iOS, Linux, Mac, Web, Windows |
| 13 | KDAN PDF | 7.1 | Free plan | $5/mo | Android, iOS, Mac, Windows |
| 14 | Foxit PDF Editor | 7.0 | No | $4.17/mo | Android, iOS, Mac, Web, Windows |
| 15 | UPDF | 7.0 | Free plan | Free | Android, iOS, Mac, Windows |
| 16 | PDFescape | 7.0 | Free plan | $2.99/mo | Web, Windows |
| 17 | Stirling PDF | 7.0 | Free plan | $99/mo | Linux, Mac, self-hosted, Web, Windows |
| 18 | PDF-XChange Editor | 6.8 | No | $62/mo | Windows |
| 19 | PDF Architect | 6.8 | Free plan | Free | Windows |
| 20 | PDF Agile | 6.8 | Free plan | $39/mo | Mac, Web, Windows |
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Questions about SysTools PDF Unlocker alternatives
What is the best alternative to SysTools PDF Unlocker?
ONLYOFFICE PDF Editor, number 1 in PDF editors with a score of 8.8 out of 10. The others here: LightPDF, pdfFiller, HiPDF and 16 more.
What is the best free alternative to SysTools PDF Unlocker?
ONLYOFFICE PDF Editor is the best-ranked alternative with a free plan. 15 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.