PDF Merger
Merge multiple PDFs
Click to add PDF files
You can add multiple files at once
About PDF Merger
PDF Merger is a free online tool that combines multiple PDF files into a single, unified PDF document. Upload two or more PDFs, arrange them in your desired order, and the tool merges them into one downloadable PDF — maintaining the original formatting, images, and content of each file.
The need to merge PDFs arises constantly in both professional and personal contexts. Compiling a multi-chapter report from individually exported sections, combining a cover letter and CV into a single application document, assembling a contract with its supporting annexures, merging monthly bank statements for a loan application, or combining scanned receipts for expense reporting — all of these require merging multiple PDFs into one.
PDF merging preserves the full content of each source file. All text, images, vector graphics, fonts, and metadata from each PDF are carried through to the merged output. Bookmarks and page labels from source files can optionally be carried through as well, enabling navigation in the merged document. The order of pages in the merged PDF follows the order in which source files are provided — reorder the files before merging to get the page sequence you need.
For large merge jobs with many files, organising the files in the correct sequence before upload saves time. Consider naming files with a numeric prefix (01_intro.pdf, 02_chapter1.pdf) so they sort correctly when batch-selected. The merge tool processes all files in the browser where possible, ensuring your document content stays private.
How to Use PDF Merger
- 1Upload two or more PDF files using the file picker
- 2Drag to reorder the files into your desired page sequence
- 3Click "Merge PDFs" to combine them
- 4Download the merged PDF file
Frequently Asked Questions
You can merge up to 20 PDF files at once. For larger batches, merge in groups and then merge the resulting PDFs together.
Bookmarks from source PDFs can be included in the merged output, with each source file's bookmarks nested under a top-level bookmark representing the file. This is optional and can be toggled before merging.
Password-protected PDFs must be unlocked before merging. Use the Unlock PDF tool to remove the password first, then merge the unlocked files.
No. PDF merging is a lossless operation — the content, resolution, and quality of each source PDF is fully preserved in the merged output. There is no re-compression or quality degradation.
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