📤 Tap to select PDF files (choose multiple)
Files are processed on your device — never uploaded anywhere
Password-protected PDFs must be unlocked before merging. Very large files may take a few seconds depending on your device.
How to Merge PDF Files
Select your PDF files
Tap the upload box and choose two or more PDFs from your device or cloud storage app.
Reorder if needed
Use the up and down arrows next to each file to set the order they'll appear in the final document.
Tap Merge PDFs
The tool combines every page from every file, in order, into a single new PDF — processed entirely in your browser.
Download your merged file
Download the combined PDF instantly — no email, no signup, no wait.
Why Merge PDFs Instead of Sending Separate Files
Combining related documents into a single PDF makes them easier to share, print, and review — a single merged file for a job application (resume + cover letter + certificates), an invoice bundle, or a set of scanned assignment pages is far more professional than five separate attachments. Most desktop PDF editors that offer merging require a paid subscription, and many free web tools cap file size, add a watermark, or require an account. This tool does none of that — it runs the same open-source PDF library used by professional tools, directly in your browser tab.
How This Tool Keeps Your Files Private
Unlike most free PDF mergers, this tool never sends your files to a server. The merging happens using JavaScript running locally in your browser — your documents are read into memory, combined, and handed back to you as a download, all without a single byte leaving your device. This matters for anything sensitive: mark sheets, ID documents, contracts, or financial statements can be merged here with the same privacy as merging them on your own computer with desktop software.
Common PDF Merging Mistakes to Avoid
Mistake 1 — Uploading files in the wrong order and not fixing it
✗ Wrong: Assuming files merge in the order you clicked them in the file picker.
✓ Right: Always check the file list after upload and use the reorder arrows to fix the sequence before merging.
Mistake 2 — Trying to merge a password-protected PDF
✗ Wrong: Uploading a locked bank statement or protected certificate directly.
✓ Right: Remove the password protection first (most PDF readers can do this if you know the password), then merge the unlocked file.
Mistake 3 — Not checking the final page count
✗ Wrong: Downloading and submitting the merged file without opening it.
✓ Right: Always open the merged PDF and scroll through it once before sending or submitting, to confirm every page came through correctly.
Frequently Asked Questions
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