PDFs are everywhere — job applications, invoices, scanned notes, eBooks, and contracts. Sooner or later, you will need to combine several PDF files into one document or pull a few pages out of a large file. The good news is that you do not need expensive software for this. The best free PDF merger and splitter software in 2026 covers both jobs well, and most of it works right in your browser or as a small offline desktop app. Below are seven genuinely free and legal options, what each one does best, and where its free tier stops.
Why You Need a PDF Merger and Splitter
Merging PDFs keeps related documents together in one tidy file instead of a folder full of loose pages. A single merged PDF is easier to email, upload to a job portal, or store on your phone. Splitting works the other way: it lets you extract just the pages you need from a huge document, remove blank or irrelevant pages, or break a large file into smaller pieces that fit an upload limit.
A good merger and splitter should also let you reorder pages before merging, keep your text selectable and searchable, and avoid adding watermarks. The tools below were picked because they do at least one of these jobs well — and because their free versions are genuinely usable, not just trial teasers.
The 7 Best Free PDF Merger & Splitter Tools in 2026
1. PDFsam Basic
PDFsam Basic is an open-source desktop app for Windows, macOS, and Linux, and it is the strongest free offline option on this list. It merges multiple PDFs into one, splits by page ranges or bookmarks, extracts selected pages, rotates pages, and can mix or alternate pages from different files. Because it runs on your own computer, your documents never leave your device — a real advantage for private or sensitive files. There is no file-size limit in the free version, and no watermark is added. Its interface looks plain and old-fashioned, but it is reliable, and it is best for people who handle PDFs regularly and want a free tool that works offline.
2. iLovePDF (Free Tier)
iLovePDF is one of the most popular online PDF toolboxes, and its Merge PDF and Split PDF tools are simple to use: drag files in, arrange the order, and download the result. The free tier lets you process files up to 200 MB and handles a good number of tasks per day, which is plenty for everyday use. You can also compress, convert, and rotate PDFs in the same place. The catch is that free users see ads, and some advanced features — like batch processing of large files and OCR — need the paid Premium plan. iLovePDF is best for quick jobs in the browser when you want a clean interface and do not want to install anything.
3. Smallpdf (Free Tier)
Smallpdf offers a polished Merge PDF and Split PDF tool that works in the browser, with drag-and-drop page ordering and a clear preview of every page. The free tier allows a limited number of tasks per day — typically one or two — and files up to 5 GB, which is generous for occasional use. Smallpdf is known for keeping your files private: uploaded files are deleted from its servers after one hour, and connections are encrypted. Its free plan is best for occasional users who value a smooth interface and privacy, though heavy daily users will quickly hit the daily task limit and need the paid Pro plan.
4. PDF2Go
PDF2Go is a free online PDF editor that combines merging and splitting with a surprisingly wide set of extra tools, including compression, conversion, and page rotation. Its Merge tool lets you reorder pages visually before combining, and its Split tool can break a PDF by page range or extract every page as a separate file. PDF2Go does not require you to create an account for basic tasks, and it works on any device with a browser, including phones and tablets. Free users face a file-size limit of about 100 MB per file and may see ads, but for everyday merging and splitting it is a solid, no-signup option.
5. Sejda (Free Tier)
Sejda is a browser-based PDF suite with a Merge PDF and Split PDF tool that stands out for its accuracy: it keeps links, bookmarks, and text formatting intact after merging, which cheaper tools sometimes break. The free tier allows up to three tasks per hour, files up to 50 MB or 200 pages, and does not add a watermark. Sejda also deletes uploaded files automatically after two hours, which is reassuring for private documents. Its limits are lower than some rivals, so it is best for users who merge or split PDFs a few times a day and care about preserving the document's structure.
6. PDF Arranger
PDF Arranger is a small, free, open-source desktop app for Windows and Linux that focuses on one thing: arranging PDF pages. You can merge several PDFs, split pages, rotate, crop, and reorder them with a simple thumbnail view, then save the result. It is lightweight, installs in seconds, and has no ads, no account, and no file limits — it simply works offline. It lacks the extra conversion and compression features of online suites, and it has no macOS version, but for straightforward merging, splitting, and page rearrangement on Windows or Linux, it is one of the cleanest free tools available.
7. PDF24 Tools
PDF24 Tools is a free online suite from the makers of the PDF24 Creator desktop app, and it includes straightforward Merge PDF and Split PDF tools alongside compression, conversion, and PDF creation. There are no daily task limits on the free online tools, and no watermark is added — that is unusually generous. Files are transferred over an encrypted connection and deleted automatically after a short time. PDF24 also offers a free desktop app for Windows if you prefer to work offline. The interface is a little less polished than Smallpdf or iLovePDF, but if you want unlimited free merging and splitting with no account, PDF24 is hard to beat.
How to Merge and Split a PDF
The exact steps vary by tool, but the process is almost always the same. Here is a quick walkthrough using any of the tools above:
- Merge PDFs: Open the Merge tool, upload or drag in the PDF files you want to combine, then drag the files (or individual pages) into the order you want. Click Merge or Combine, wait a few seconds, and download the single merged PDF.
- Split a PDF: Open the Split tool and upload your PDF. Choose the pages or page ranges you want to keep — for example, pages 1–5, or every page as a separate file — then click Split and download the resulting files.
- Reorder or remove pages: Most of these tools let you drag pages into a new order or delete unwanted pages before you save. Do this step before merging or splitting so you only keep what you need.
- Check the result: Open the finished PDF and skim it once to confirm the page order, text, and images look right before you send or upload it.
If your document contains personal or confidential information, prefer an offline tool such as PDFsam Basic or PDF Arranger so the file never leaves your computer.
Frequently Asked Questions
Can I merge PDFs for free?
Yes. All seven tools on this list offer a genuinely free way to merge PDFs. PDFsam Basic, PDF Arranger, and PDF24 Tools have no daily limits on merging, while iLovePDF, Smallpdf, Sejda, and PDF2Go offer free tiers that cover everyday use.
Is it safe to use online PDF merger tools?
For ordinary documents, yes — the reputable tools above use encrypted connections and delete uploaded files automatically, usually within one to two hours. For sensitive documents such as contracts, medical records, or financial statements, use an offline tool like PDFsam Basic or PDF Arranger instead.
Do free PDF mergers add a watermark?
Most of the tools listed here do not add watermarks on merged or split files, including PDFsam Basic, PDF Arranger, PDF24 Tools, and Sejda's free tier. Some free tools do add watermarks to other features such as editing, so check the output before sharing it.
Can I split a PDF by page range for free?
Yes. PDFsam Basic, Sejda, PDF2Go, and PDF24 Tools all let you split a PDF by page ranges — for example, extracting pages 3–8 — without paying. PDFsam Basic is the best choice if you need to split very large files, because it has no free-tier file-size limit.
Conclusion
You do not need paid software to merge or split PDFs. If you want a free offline tool with no limits, start with PDFsam Basic or PDF Arranger. If you prefer working in the browser, iLovePDF, Smallpdf, Sejda, PDF2Go, and PDF24 Tools all cover the basics well, with different free-tier limits to suit light or occasional use. Try one or two of the tools above with a real document and see which workflow feels easiest for you — and check out our other free software guides on Free Soft Zone for more free tools that save you money.
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