Combine Multiple PDFs into One Organized Document
Select two or more PDF files, arrange their order, and merge them into a single consolidated PDF binder.
Quick Definition & Overview
PDF merging concatenates page trees, font resources, and stream dictionaries from multiple source PDF files into a single unified PDF document.
- Merge up to 20 PDF documents in one batch
- Preserves page dimensions, orientations, and internal links
- Dynamic naming based on your primary uploaded file
Input
Multiple PDFs
Output
PDF
Security
Auto-Deleted
Cost
100% Free
How to use Merge PDF
- Upload PDF FilesSelect at least two PDF documents.
- Arrange SequenceReview file order in the upload list.
- Execute MergeClick 'Process Merge PDF' to combine pages.
- Download BinderSave your newly unified PDF.
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Frequently Asked Questions
What is the maximum number of PDFs I can combine?
You can merge up to 20 PDF files per job with a maximum file size of 50 MB each.
How many PDF files can I merge at once?
You can merge up to 20 PDF files in a single session. For larger batches, merge in groups of 20 and then merge the resulting files.
Will bookmarks and links in my PDFs be preserved?
Internal page links are preserved within each document's section. Cross-document bookmarks and external hyperlinks remain intact. Document-level outlines from individual files are combined.
Can I merge password-protected PDFs?
Protected PDFs cannot be merged directly. Use the Unlock PDF tool first to remove the password, then merge the unlocked files.