PDF Merger & Splitter

How to Use This PDF Merger

1. Upload your PDFsDrag and drop your files into the upload area or click to browse. You can add as many PDF files as needed.
2. Reorder and mergeOnce uploaded, your files appear as cards that you can drag to reorder. When the order looks right, click "Merge PDFs" and your combined file downloads automatically.
3. Split a PDF by page rangeTo split a PDF, upload a single file. The tool displays a thumbnail preview of each page. Select the pages you want to extract by clicking on them, or enter a page range like "1-3, 5, 8-12." Click "Split PDF" to download your selection as a new file.
4. Split all pages as ZIPYou can also use the "Split All" option to break a PDF into individual single-page files, which downloads as a ZIP archive. Each page becomes its own named file.

What is PDF?

PDF (Portable Document Format) is a file format developed by Adobe in 1993 to present documents consistently across different devices, operating systems, and software. A PDF file captures all the elements of a printed document — text, images, fonts, layouts — as a fixed-format electronic file. An online PDF merger combines those files into a single PDF, while a PDF splitter extracts or separates pages.

Consistent look across every device

The key advantage of PDF is that documents look identical regardless of where they're opened. A PDF created on a Mac looks the same on Windows, Linux, or a mobile phone. This consistency made PDF the standard format for contracts, reports, invoices, academic papers, and official documents worldwide.

What PDFs can contain

PDFs can contain text, images, vector graphics, hyperlinks, form fields, digital signatures, and even embedded multimedia. The format supports encryption and password protection, making it suitable for sensitive documents. PDF files can be compressed to reduce file size while maintaining visual quality.

An open ISO standard

Since 2008, PDF has been an open standard (ISO 32000), meaning anyone can create software that reads or writes PDF files without licensing fees. This openness led to wide adoption and the development of many free PDF tools and libraries.

Common PDF tasks

Common tasks people perform with PDFs include merging multiple documents into one (like combining scanned pages), splitting large files into smaller sections, extracting specific pages, compressing file size, and converting to or from other formats.

Features of This Free PDF Merger & Splitter

• Merge unlimited PDFsCombine 2, 10, 50, or more files into a single document.
• Drag-to-reorderArrange the page order visually before merging.
• Split by page rangeUse syntax like 1-3, 5, 8-12 to pull out exactly the pages you need.
• Split all pagesExtract every page as its own PDF inside a single ZIP download.
• Page thumbnail previewClick to select the pages you want in the output.
• Lossless processingMerging does not re-encode or compress pages, so quality is preserved 100%.
• No upload, no serverRuns on pdf-lib and JSZip entirely in your browser.
• Works offlineOnce loaded, the tool keeps functioning without internet.
• No watermark, no signup, no limitNo email, no free trial, no "upgrade to remove watermark".

When to Use a PDF Merger or Splitter

• Combine scanned pagesStitch multi-page scans from a phone or scanner into a single document.
• Assemble contracts and tax packetsMerge a signed cover page, contract body, and exhibits into one file.
• Join invoices, receipts, and bank statementsGreat for expense reports, VAT filings, and grant submissions.
• Build portfolios and proposalsMerge CVs, cover letters, case studies, and reference letters.
• Extract book chaptersSplit a long PDF textbook or ebook into chapter-sized files for easier reading.
• Separate by invoice or orderSplit a large print queue PDF into per-invoice PDFs in a single ZIP.
• Trim confidential pagesKeep only the pages you need to share without exposing the full file.
• Reorder pages after scanningDrag to fix pages that came out of order in a batch scan.

Privacy: Why Browser-Based PDF Tools Are Safer

The risk with server-side PDF mergers

Most "online PDF mergers" upload your files to a remote server, where they are processed, cached, and sometimes stored for days. That is risky for confidential documents — legal contracts, medical records, payroll PDFs, tax returns, and passports should never touch a third-party server.

How this tool stays fully client-side

This tool runs 100% client-side. Your PDFs are parsed and combined using JavaScript inside your browser. Nothing is uploaded, logged, or tracked. There is no account, no telemetry about file contents, and no residual copy anywhere. If you open your browser's Network tab while merging, you will see no outbound file data.

Frequently Asked Questions