PDF Merge
Combine multiple PDFs into one. Drag to reorder. 100% private.
Drop PDFs here or click to upload
Select multiple PDF files
Job applications and government submissions often ask for a single PDF containing several documents — a resume plus certificates, or multiple scanned ID pages — rather than separate attachments that reviewers have to open one by one. Combining files manually usually means installing PDF editing software just for a one-time task.
This tool stacks your selected PDFs into a single combined document, letting you reorder the files before merging so the final pages appear in exactly the sequence you intend.
Merging happens using a PDF manipulation library running entirely in your browser, so your documents — which are often sensitive, like IDs or contracts — are never uploaded to an external server during the process.
PDF merging works by reading each source document's internal page structure and reassembling them into a new PDF container that references the original content — a well-understood, standardized operation that every serious PDF library implements consistently, which is why the visual fidelity of each page carries over exactly, including any embedded fonts, images, or vector graphics.
It's worth noting that merged PDFs inherit the total file size of their source documents combined; if you're hitting an email or upload size limit after merging, compressing the images within source PDFs before merging (or compressing the final result if your workflow supports it) is the more effective fix than trying to merge fewer pages.
It's worth keeping a naming convention in mind for source files before you start the merge process — numbering files in your intended final order (like 01-cover.pdf, 02-resume.pdf) makes it much faster to arrange them correctly in the tool compared to trying to remember the intended sequence from unrelated original filenames.
Step-by-step instructions
- 1
Add your PDF files
Select or drag multiple PDF documents into the tool.
- 2
Reorder as needed
Arrange the files in the sequence you want them to appear.
- 3
Remove any unwanted file
Drop a file from the list before merging if you added it by mistake.
- 4
Merge and download
Click merge, then download the single combined PDF.
Common use cases
Job application packets
Combine a resume, cover letter, and certificates into one PDF for a single upload.
Scanned document consolidation
Merge several individually scanned pages into one complete document.
Contract and invoice bundling
Combine related business documents into a single file for easier record-keeping.
Report compilation
Merge separate PDF sections or chapters into one final report.
Assembling multi-department reports
Combine separately prepared PDF sections from different contributors into one final, properly ordered report.
Tips for best results
- Arrange files in the exact order you want before clicking merge, since reordering afterward requires starting over.
- Rename your source files with numbers first (01, 02, 03) if you want a quick way to keep track of intended order.
- Very large batches of high-resolution PDFs take longer to process since everything runs in your browser.
- Check the final merged PDF's page count matches your expectation before submitting it anywhere.
- If the merged PDF is too large for an email or upload limit, address image size in the source documents before merging rather than after.
- Test opening the merged PDF in more than one viewer if it will be shared widely, to confirm formatting looks correct everywhere.
Frequently asked questions
Can I change the order of the PDFs before merging?
Yes, arrange the files in the order you want before clicking merge — the final PDF follows that exact sequence.
Is there a limit on how many PDFs I can merge?
There's no fixed limit, though merging many large PDFs at once may take longer since processing happens in your browser.
Are my PDF files uploaded anywhere during merging?
No, merging happens entirely in your browser using a local PDF processing library.
Does merging affect the original files?
No, your original PDF files remain unchanged; only the new combined file is generated.
Why is my merged PDF so much larger than expected?
Merged PDFs inherit the combined file size of their source documents; if size is an issue, compress large images within the source files before merging.
Do embedded fonts and formatting carry over correctly?
Yes, merging preserves each source page's original content, including embedded fonts, images, and formatting, exactly as it appeared in the source document.
What's the fastest way to keep files in the right order while merging?
Renaming source files with a number prefix matching your intended final order, before uploading, makes arranging them correctly in the tool much faster than relying on memory.
Can I merge password-protected PDFs?
Password-protected PDFs typically need to be unlocked first before their content can be read and merged; check that your source files aren't encrypted before uploading.