Merge PDF
Combine multiple PDF files into one - drag to reorder pages, all in your browser
Drop PDF files here or click to browse
Minimum 2 PDF files - drag rows to reorder
Combine a Resume, Cover Letter, and Portfolio Into One PDF
Job applications often ask for a single attachment, but your resume, cover letter, and writing samples or portfolio pages usually exist as separate files. Sending three attachments when the form only accepts one means the application either gets rejected by the upload field or arrives looking disorganized. This tool merges any number of PDFs into one document, in whatever order you set, so a recruiter opens a single file and scrolls through everything in the sequence you intended. The same approach works for combining a signed contract with its appendices, stitching together scanned chapters of a longer document, or assembling a set of reports into one file for archiving.
Drop in your files and each one appears as a row showing its name and size. Drag the rows to set the order before merging, since the sequence shown is exactly the sequence the pages will appear in the output, your resume first, cover letter second, portfolio last, or whatever order makes sense. The merge itself is handled by pdf-lib, which copies each page's content streams, fonts, and embedded images directly into the new document rather than rendering pages to images and rebuilding them. That means no re-encoding step and no quality loss: text stays selectable and searchable, embedded fonts remain embedded, and images keep their original resolution. There's no cap on how many files or pages you can combine, though very large combined documents will naturally take longer for your browser to assemble.
How to Use
- 1
Add your PDF files
Drop in two or more PDFs. Each appears in a list showing its filename and size.
- 2
Drag to set the final order
Reorder the rows so they match the order you want pages to appear in, top to bottom in the list becomes first to last in the output.
- 3
Merge the files
Click Merge PDFs. pdf-lib copies the pages from each file into a new document in your browser.
- 4
Download the combined PDF
The merged file downloads as a single PDF containing every page from every input file, in the order you set.
Key Features
- →Set the order before merging, since the list order becomes the page order in the final document.
- →Pages keep their original quality because pdf-lib copies content directly rather than re-rendering pages as images.
- →Text in the merged PDF stays selectable and searchable, since fonts and text data are preserved as-is.
- →There's no fixed limit on file count or total pages, though very large merges take longer to process on slower devices.
- →If you later need to split the combined file back into sections, the PDF Split tool handles that.
Frequently Asked Questions
Will the merged PDF have the same quality as the originals?
Yes. Pages are copied directly from each source file, including their original resolution, fonts, and embedded images, without any re-rendering or re-encoding step.
Can I merge a password-protected PDF?
No, encrypted or password-protected PDFs need to be unlocked first. Standard, unencrypted PDFs work without any extra steps.
What if I add files in the wrong order by mistake?
Drag the rows in the file list to rearrange them any time before clicking Merge. The order shown in the list is exactly what ends up in the output.
Does merging combine the page sizes, or can input PDFs be different sizes?
Each page keeps its own original size and orientation. If your resume is letter-sized and your portfolio pages are a different size, both will appear in the merged file at their original dimensions.
Is there a maximum number of files I can combine at once?
There's no built-in limit. Performance depends on your device, since everything is processed in your browser, but combining a handful of typical documents is fast even on modest hardware.
Last updated: June 2026