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Split Into Individual Pages
The most common operation — one PDF per page:
Source: annual-report.pdf (50 pages, 8 MB)
Split mode: Individual pages
Output (50 files):
annual-report_page-001.pdf (0.16 MB)
annual-report_page-002.pdf (0.18 MB)
annual-report_page-003.pdf (0.14 MB)
...
annual-report_page-050.pdf (0.15 MB)
Download: annual-report_split.zip (8 MB total)
Files are named with zero-padded page numbers so they sort correctly in file browsers.
Range-Based Splitting
Split at specific page boundaries to separate chapters:
Source: textbook.pdf (300 pages)
Split points: 30, 75, 120, 180, 240
Output:
textbook_pages-001-030.pdf (Chapter 1: Introduction)
textbook_pages-031-075.pdf (Chapter 2: Fundamentals)
textbook_pages-076-120.pdf (Chapter 3: Advanced Topics)
textbook_pages-121-180.pdf (Chapter 4: Applications)
textbook_pages-181-240.pdf (Chapter 5: Case Studies)
textbook_pages-241-300.pdf (Chapter 6: Conclusion)
Fixed-Size Chunk Splitting
Divide into equal-sized pieces for email attachment limits:
Source: large-manual.pdf (200 pages, 40 MB)
Split mode: Fixed size — 25 pages per file
Output:
large-manual_part-01_pages-001-025.pdf (5 MB)
large-manual_part-02_pages-026-050.pdf (5 MB)
large-manual_part-03_pages-051-075.pdf (5 MB)
...
large-manual_part-08_pages-176-200.pdf (5 MB)
Use case: Email has 10 MB attachment limit — each part fits easily
Bookmark-Based Splitting
Automatically split at chapter bookmarks:
Source: user-guide.pdf with bookmarks:
├── Chapter 1: Getting Started (page 1)
├── Chapter 2: Installation (page 15)
├── Chapter 3: Configuration (page 32)
├── Chapter 4: Usage (page 58)
└── Chapter 5: Troubleshooting (page 89)
Split mode: By bookmarks
Output:
chapter-1-getting-started.pdf (pages 1-14)
chapter-2-installation.pdf (pages 15-31)
chapter-3-configuration.pdf (pages 32-57)
chapter-4-usage.pdf (pages 58-88)
chapter-5-troubleshooting.pdf (pages 89-end)
Splitting a Combined Invoice PDF
A batch of 50 invoices concatenated into one PDF:
Source: invoices-march-2024.pdf (150 pages, 3 pages per invoice)
Split mode: Fixed size — 3 pages per file
Output:
invoice-001_pages-001-003.pdf
invoice-002_pages-004-006.pdf
invoice-003_pages-007-009.pdf
...
invoice-050_pages-148-150.pdf
Custom naming with CSV mapping:
invoice-INV-2024-001.pdf (pages 1-3)
invoice-INV-2024-002.pdf (pages 4-6)
...
Odd/Even Page Splitting
Separate odd and even pages for duplex printing workflows:
Source: document.pdf (20 pages)
Split mode: Odd/Even pages
Output:
document_odd-pages.pdf (pages 1, 3, 5, 7, 9, 11, 13, 15, 17, 19)
document_even-pages.pdf (pages 2, 4, 6, 8, 10, 12, 14, 16, 18, 20)
Use case: Printer that only does single-sided printing
1. Print odd pages
2. Flip paper stack
3. Print even pages
Result: Double-sided document
Splitting a Legal Filing
Court filings often need to be split into separate documents:
Source: case-12345-filing.pdf (120 pages)
Manual split points based on document structure:
Pages 1-20: Motion for Summary Judgment
Pages 21-45: Memorandum of Law
Pages 46-70: Declaration of [name]
Pages 71-95: Exhibit 1 — Contract
Pages 96-110: Exhibit 2 — Correspondence
Pages 111-120: Certificate of Service
Output: 6 separate PDFs, each properly named for filing
Output File Naming Options
Configuring how output files are named:
Default naming:
{original-name}_pages-{start}-{end}.pdf
→ report_pages-001-025.pdf
Custom prefix:
Q1-2024_{start}-{end}.pdf
→ Q1-2024_001-025.pdf
Sequential numbering:
report_part-{n}.pdf
→ report_part-1.pdf, report_part-2.pdf, ...
With page count:
report_{start}-{end}_({count}pages).pdf
→ report_001-025_(25pages).pdf
Large PDF Processing
Splitting a 1,000-page technical manual:
Source: complete-reference-manual.pdf (1,000 pages, 250 MB)
Split mode: By bookmarks (12 major sections)
Processing:
Progress: 0% → 25% → 50% → 75% → 100%
Time: ~45 seconds for 250 MB file
Output: 12 section PDFs (ZIP archive, 250 MB total)
section-01-overview.pdf (80 pages, 20 MB)
section-02-installation.pdf (45 pages, 11 MB)
section-03-configuration.pdf (120 pages, 30 MB)
...
Note: Processing happens in your browser — no upload required.
Large files may take longer depending on your device's performance.