PDF Merge Tool

A fast, reliable PDF merge tool for students, professionals, and teams to create a single document from multiple PDFs.

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About This Tool

This tool combines multiple PDF documents into a single document while preserving fonts, images, layout, and embedded metadata when available. It targets students, professionals, and teams who assemble reports, proposals, or dossiers from several PDFs.
Inputs are collected in a defined order, the tool validates each file, and the pages are concatenated into a new PDF. Optional compression reduces file size without compromising quality.
Who benefits: students compiling reports, legal or finance teams assembling filings, researchers gathering appendices, and project managers sharing document collections.
Unique value includes deterministic ordering, retention of bookmarks and metadata, support for password-protected inputs (when passwords are supplied), batch processing, and straightforward export options for collaboration.

How to Use

  1. Provide inputs: add the PDFs in the desired order.
  2. Configure options: set compression, page ranges, and output password if required.
  3. Run merge: execute the merge to create a single document.
  4. Retrieve outputs: download merged PDF and verify page count and metadata.
  5. Optional: rename and export to cloud or share with teammates.
How to use pdf merge tool github

Frequently Asked Questions

Find Quick Answers

What is the maximum number of PDFs I can merge?
The tool supports merging many PDFs, limited primarily by available memory and processing time. In practice, very large batches or extremely large files may approach system limits, but typical merges of tens of files are handled efficiently.
Will bookmarks and metadata be preserved?
If the input PDFs contain bookmarks and metadata, the merged output preserves them when possible. Complex bookmark structures may require post-merge adjustments in some edge cases.
Can I protect the merged PDF with a password?
Yes. You can apply user and owner passwords to the merged document or require specific permissions; passwords apply to the output file and are not stored beyond the session.
Does the tool support password-protected inputs?
If input PDFs are password-protected, you must provide the correct passwords to access content. Without valid passwords, content cannot be merged.

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