Best PDF Merger Software in 2026
Updated
36 PDF merger software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
36ranked
0free plans on this page
5 Oct 2026last checked
PDF Merger Software, one module each. A lit port is something its maker publishes; 0 of the 11 on this page have a public API.
- 26 Paperforge API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 27 PDFinery API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 28 PDFMerged API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 29 PDFOptim API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 30 PDFtk API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 31 Secure-Merge API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 32 SysTools PDF Merge Tool API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 33 PDF Combine API not on recordOSS not on recordFREE not on recordDOCS 4.9
- 34 A-PDF Merger API not on recordOSS not on recordFREE not on recordDOCS 4.8
- 35 PDF Pilot API not on recordOSS not on recordFREE not on recordDOCS 4.8
- 36 PDFMerge API not on recordOSS not on recordFREE not on recordDOCS 4.8
Compare all 11 in a table
| # | Platform | Score | Free plan | Free plan | Paid from | Batch merging | Page selection |
|---|---|---|---|---|---|---|---|
| 26 | Paperforge | 5.0 | No | Yes | — | — | Yes |
| 27 | PDFinery | 5.0 | No | Yes | — | — | Yes |
| 28 | PDFMerged | 5.0 | No | Yes | — | — | Yes |
| 29 | PDFOptim | 5.0 | No | Yes | — | Yes | — |
| 30 | PDFtk | 5.0 | No | Yes | — | — | Yes |
| 31 | Secure-Merge | 5.0 | No | Yes | — | — | Yes |
| 32 | SysTools PDF Merge Tool | 5.0 | No | No | — | Yes | Yes |
| 33 | PDF Combine | 4.9 | No | No | — | Yes | No |
| 34 | A-PDF Merger | 4.8 | No | No | — | — | Yes |
| 35 | PDF Pilot | 4.8 | No | No | — | — | — |
| 36 | PDFMerge | 4.8 | No | No | — | — | — |