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PDF Merger vs PDF Splitter — What's the Difference?

The short answer: PDF Merger / PDF Splitter: Inputs and controls / Visible result and export. Select individual pages across 2–12 source PDF files, then reorder them across files. One PDF file; extract ordered pages, group ranges with semicolons, split every N pages or save each page. Choose by the task and review the current limits before exporting.

Comparison of PDF Merger and PDF Splitter

PDF MergerPDF Splitter
PurposeMerge 2-12 PDFs in your chosen order — up to 50 MiB and 500 pages combined — entirely in the browser, with per-file validation.Extract selected pages or ranges into one new PDF, in the order you choose. Files stay in your browser and the original is unchanged.
InputPDF Merger: Select individual pages across 2–12 source PDF files, then reorder them across files. 2–12 PDFs, 20 MiB each, 50 MiB combined and 500 source pages. Merged PDF output: up to 100 MiB.PDF Splitter: One PDF file; extract ordered pages, group ranges with semicolons, split every N pages or save each page. One PDF up to 30 MiB and 500 pages. Combined output PDFs and final ZIP: each capped at 100 MiB.
OutputPDF Merger: One merged PDF file containing only the selected pages in the chosen order.PDF Splitter: Separate PDF files and an optional ZIP; selected page order is preserved.
Typical usePDF Merger: Select individual pages across 2–12 source PDF files, then reorder them across files.PDF Splitter: One PDF file; extract ordered pages, group ranges with semicolons, split every N pages or save each page.

PDF Merger vs PDF Splitter

  • What it does

    Depends on the task

    Select individual pages across 2–12 source PDF files, then reorder them across files. One PDF file; extract ordered pages, group ranges with semicolons, split every N pages or save each page.

  • Input

    Depends on the task

    PDF Merger: Select individual pages across 2–12 source PDF files, then reorder them across files. 2–12 PDFs, 20 MiB each, 50 MiB combined and 500 source pages. Merged PDF output: up to 100 MiB. PDF Splitter: One PDF file; extract ordered pages, group ranges with semicolons, split every N pages or save each page. One PDF up to 30 MiB and 500 pages. Combined output PDFs and final ZIP: each capped at 100 MiB.

  • Output

    Depends on the task

    PDF Merger: One merged PDF file containing only the selected pages in the chosen order. PDF Splitter: Separate PDF files and an optional ZIP; selected page order is preserved.

  • Best for

    Depends on the task

    PDF Merger: Select individual pages across 2–12 source PDF files, then reorder them across files. PDF Splitter: One PDF file; extract ordered pages, group ranges with semicolons, split every N pages or save each page.

The tools

PDF Merger

Merge 2-12 PDFs in your chosen order — up to 50 MiB and 500 pages combined — entirely in the browser, with per-file validation.

Open tool — PDF Merger

PDF Splitter

Extract selected pages or ranges into one new PDF, in the order you choose. Files stay in your browser and the original is unchanged.

Open tool — PDF Splitter

Frequently asked questions

What's the difference between PDF Merger and PDF Splitter?
Inputs and controls. PDF Merger: Select individual pages across 2–12 source PDF files, then reorder them across files. PDF Splitter: One PDF file; extract ordered pages, group ranges with semicolons, split every N pages or save each page.
Can I use PDF Merger and PDF Splitter together?
Visible result and export. PDF Merger: One merged PDF file containing only the selected pages in the chosen order. PDF Splitter: Separate PDF files and an optional ZIP; selected page order is preserved. Use the first tool for this task; use the second for its separate result.