PDF Merge & Split Combine multiple PDF files into one or split PDFs into separate documents. Overview This skill helps you: Merge multiple PDFs into a single file Split PDFs by page ranges Extract specific pages Reorder pages within a PDF Create custom arrangements How to Use Merge PDFs "Merge these 3 PDFs into one file" "Combine document1.pdf and document2.pdf" "Join all PDFs in this folder in alphabetical order" Split PDF "Split this PDF into individual pages" "Extract pages 5-10 from this PDF" "Split this PDF every 5 pages" Reorder "Move page 3 to the end" "Reorder pages: 1, 3, 2, 4, 5" "Reverse the page order" Merge Operations Basic Merge
PDF Merge Plan
Input Files | Order | File | Pages | Size | |
|
|
|
| | 1 | cover.pdf | 1 | 50 KB | | 2 | chapter1.pdf | 15 | 2.1 MB | | 3 | chapter2.pdf | 22 | 3.4 MB | | 4 | appendix.pdf | 8 | 1.2 MB |
Output
- **
- Filename
- **
-
combined_document.pdf
- **
- Total Pages
- **
-
46
- **
- Estimated Size
- **
- ~6.7 MB
Merge Options
[ ] Add bookmarks for each source file
[ ] Preserve original bookmarks
[ ] Include blank page between files
[ ] Optimize/compress output Advanced Merge
Advanced PDF Merge
Custom Page Selection | Source | Pages to Include | Insert Position | |
|
|
| | main.pdf | 1-10 | 1-10 | | insert.pdf | All (5 pages) | After page 10 | | main.pdf | 11-20 | 16-25 | | appendix.pdf | 2-4 only | 26-28 |
Output Configuration
- **
- Filename
- **
-
custom_merged.pdf
- **
- Page numbering
- **
-
Reset to 1 / Continue from original
- **
- Bookmarks
- **
- Create from filenames / Preserve all
Quality Settings
Resolution: Original / Reduce to [X] DPI
Compression: None / Low / Medium / High Split Operations Split by Range
PDF Split Plan
Source
- **
- File
- **
-
large_document.pdf
- **
- Total Pages
- **
- 100
Split Configuration | Output File | Page Range | Pages | |
|
|
| | part1.pdf | 1-25 | 25 | | part2.pdf | 26-50 | 25 | | part3.pdf | 51-75 | 25 | | part4.pdf | 76-100 | 25 |
Naming Pattern
[original_name]_part[N].pdf
Split by Size
Split by File Size
Source
- **
- File
- **
-
huge_report.pdf
- **
- Total Pages
- **
-
500
- **
- File Size
- **
- 250 MB
Target
- **
- Max file size
- **
-
25 MB
- **
- Estimated splits
- **
- ~10 files
Output | File | Pages | Actual Size | |
|
|
| | report_001.pdf | 1-52 | 24.8 MB | | report_002.pdf | 53-98 | 23.2 MB | | ... | ... | ... | Split by Bookmark
Split by Bookmarks/Chapters
Source Structure
large_manual.pdf
Chapter 1: Introduction (p.1)
Chapter 2: Setup (p.15)
Chapter 3: Usage (p.45)
Chapter 4: Advanced (p.120)
Appendix (p.180)
Split Output | File | Chapter | Pages | |
|
|
| | ch1_introduction.pdf | Introduction | 1-14 | | ch2_setup.pdf | Setup | 15-44 | | ch3_usage.pdf | Usage | 45-119 | | ch4_advanced.pdf | Advanced | 120-179 | | appendix.pdf | Appendix | 180-end | Extract Specific Pages
Page Extraction
Source
- **
- File
- **
- contract.pdf (20 pages)
Pages to Extract
[x] Page 1 (Cover)
[x] Pages 5-7 (Terms)
[x] Page 15 (Signatures)
[x] Page 20 (Appendix A)
Output
- **
- File
- **
-
contract_key_pages.pdf
- **
- Pages
- **
- 6 total (1, 5, 6, 7, 15, 20) Page Operations Reorder Pages
Page Reorder Plan
Current Order 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
New Order 1, 2, 4, 3, 5, 6, 8, 7, 9, 10
Changes
Page 3 ↔ Page 4 (swapped)
Page 7 ↔ Page 8 (swapped) Delete Pages
Page Deletion
Source
document.pdf (25 pages)
Pages to Remove
Page 3 (blank page)
Pages 12-14 (outdated section)
Page 25 (draft watermark)
Result
New page count: 20
Output: document_cleaned.pdf Insert Pages
Page Insertion
Base Document
main.pdf (10 pages)
Insertions | Insert | After Page | From | |
|
|
| | Cover page | 0 (beginning) | cover.pdf | | Diagram | 5 | diagrams.pdf (page 2) | | Appendix | 10 (end) | appendix.pdf |
Result
New page count: 14 Rotate Pages
Page Rotation
File: scanned_doc.pdf
Rotations Needed | Page(s) | Current | Rotation | New | |
|
|
|
| | 3 | Portrait | 90° CW | Landscape | | 7-9 | Upside down | 180° | Correct | | 15 | Landscape | 90° CCW | Portrait | Batch Processing Batch Merge
Batch Merge Job
Task: Merge PDFs by Project
Folder Structure /reports/ /project-a/ report1.pdf report2.pdf /project-b/ summary.pdf details.pdf
Output
| Merged File | Sources |
|---|---|
| project-a_combined.pdf | report1.pdf, report2.pdf |
| project-b_combined.pdf | summary.pdf, details.pdf |
| Batch Split | |
| ## | |
| Batch Split Job | |
| ### | |
| Input | |
| - | |
| /monthly_reports/ (12 files, each ~50 pages) | |
| ### | |
| Operation | |
| - | |
| Split each file into 5-page chunks | |
| ### | |
| Output | |
| - | |
| /monthly_reports_split/ | |
| - | |
| jan_001.pdf, jan_002.pdf, ... | |
| - | |
| feb_001.pdf, feb_002.pdf, ... | |
| - | |
| ... | |
| Tool Recommendations | |
| Free Tools | |
| PDF24 | |
| : Web and desktop, full featured | |
| ILovePDF | |
| : Web-based, easy to use | |
| PDFsam Basic | |
| : Desktop, open source | |
| Preview (Mac) | |
| : Built-in, drag and drop | |
| Professional | |
| Adobe Acrobat Pro | |
| : Industry standard | |
| Foxit PDF Editor | |
| : Full featured | |
| Nitro Pro | |
| : Good for business | |
| Command Line | |
| pdftk | |
| : Classic, powerful | |
| qpdf | |
| : Fast, scriptable | |
| pdfcpu | |
| : Modern Go-based tool | |
| Limitations | |
| Cannot perform actual file operations (provides guidance) | |
| Password-protected PDFs need password first | |
| Very large files may need chunked processing | |
| Some PDFs with restrictions cannot be modified | |
| Merging different page sizes may cause issues |