Best PDF Merger Software in 2026
Updated
In short: HiPDF is ranked #1 of 36 as of 3 October 2026, ahead of PDF Candy and PDF24 Compare PDF. The best-ranked option with a free plan is PDF Candy. The lowest first paid tier on this page is PDF Candy at $0.33/mo.
Combining PDFs can mean joining whole files or choosing particular pages, with limits that matter as jobs grow. Compare batch merging, files per merge, maximum file size, and page selection against the documents you handle. Cloud storage support and primary platform can help establish workflow fit, while free-plan availability and paid-from pricing provide cost context. HiPDF, PDF Candy, and PDF24 Compare PDF are among the options shown. Use the listed capabilities and limits to judge which approaches suit your document tasks.
36 PDF merger software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
12 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | HiPDFWeb · Windows · Mac · Linux · Android · iPhone · API · Extension | Three bars | — | 6 of 6 | $3.33/mo | 6.8 | |
| 2 | PDF CandyWeb · Windows · Mac · Linux · Android · iPhone | Three bars | — | 6 of 6 | $0.33/mo | 6.8 | |
| 3 | PDF24 Compare PDFWeb · Windows · Mac · Linux · Android · iPhone | Three bars | — | 6 of 6 | Free | 6.8 | |
| 4 | LightPDFWeb · Windows · Mac · Android · iPhone · API · Extension | Three bars | — | 5 of 6 | $1.33/mo | 6.7 | |
| 5 | SmallpdfWeb · Windows · Android · iPhone | Three bars | — | 4 of 6 | $10/mo | 6.7 | |
| 6 | AvePDFWeb · Linux · Android · iPhone | Three bars | — | 4 of 6 | $3.75/mo | 6.6 | |
| 7 | PDFgearWeb · Windows · Mac · Android · iPhone | Three bars | — | 5 of 6 | Free | 6.6 | |
| 8 | Sejda PDF EditorWeb · Windows · Mac · Linux | Three bars | — | 4 of 6 | Free | 6.6 | |
| 9 | DoKitWeb | Two bars | — | 1 of 6 | Free | 6.4 | |
| 10 | PDF4me Merge & SplitWeb · API · Extension | Two bars | — | 1 of 6 | Free | 6.4 | |
| 11 | Online2PDFWeb | Two bars | — | 1 of 6 | Free | 6.3 | |
| 12 | iLovePDFWeb · Windows · Mac · Android · iPhone | Two bars | — | — | 5 of 6 | — | 5.8 |
| 13 | CoolUtils Online PDF MergerWeb · Windows · Mac · Linux · Android · iPhone | One bar | — | — | 6 of 6 | — | 5.5 |
| 14 | Icecream PDF Split & MergeWindows · Mac | No signal | — | — | 2 of 6 | — | 5.3 |
| 15 | PaperforgeWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 16 | PDF ArrangerWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 17 | PDFsam BasicWindows · Mac · Linux | Two bars | — | 3 of 6 | Free | 5.3 | |
| 18 | PDFtkWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 19 | ZonePDFWeb · Windows | One bar | — | — | 2 of 6 | $59.88/mo | 5.3 |
| 20 | Falcon MergeWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 21 | Mergram PDF Merger & SplitterWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 22 | PDFOptimWindows · Mac | No signal | — | — | 2 of 6 | — | 5.2 |
| 23 | PDFVizWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 24 | CombinePDFWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 25 | Online PDF MergerWeb | No signal | — | — | 1 of 6 | — | 5.1 |
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which PDF merger software is ranked first on Freedom251?
HiPDF is ranked #1 of 36 with a score of 6.8. PDF Candy is second and PDF24 Compare PDF third.
How many of these have a free plan?
12 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, PDF Candy has the lowest first paid tier we found: $0.33/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.