Merge PDF Files

Combine PDFs into one — reorder, merge, download. Nothing uploaded. · used 1 times

Stays on your device. This tool runs in your browser — nothing you paste or open ever leaves it. Nothing uploaded, nothing to leak.

PDF files

Drop PDFs here or browse Up to 20 files · 25 MB each · merged in your browser, never uploaded

✓ Merged — your download has started

Run the tool first — there’s no result to send yet.

How to merge PDF files

Drop your PDFs onto the box (or browse to add them), then reorder them with the up and down arrows so they combine in the right sequence. Press Merge PDFs and the combined file downloads straight away. You can add up to 20 files at 25 MB each, and remove any before merging with the ✕.

Merge PDF — TechWhack Score

9.3/10

Privacy 10/10

Your PDFs are merged in the browser and never uploaded — private documents stay on your device.
Speed 10/10

Combines and downloads the moment you hit Merge, with no round trip.
Features 7/10

Drag your files into the exact order you want before merging, so the combined PDF comes out right the first time.
Free 10/10

No sign-up, no watermark, no daily limit.

Verdict: A merge tool that keeps sensitive contracts on your own machine instead of a stranger’s server — and lets you fix the page order before you commit.

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Merging PDFs combines several files into one document. Add your PDFs, drag them into the order you want, and press Merge — the new file downloads instantly. It all happens in your browser, so nothing is uploaded and your documents stay private.

Why merging in the browser is safer

Because the whole process runs on your device, your files never leave your computer — there is no upload, no server copy, and nothing to delete afterwards. That makes it safe for contracts, statements and anything confidential, and it still works on a slow connection.

FAQ

Does merging PDFs reduce the quality of the pages?No. Merging copies each page exactly as it is into one combined file, so text stays selectable and images keep their original resolution. It only stitches documents together; it does not re-encode or compress anything, so the result looks identical to the originals.

Can I change the order of the files before combining them?Yes. Drag the files into the order you want before you merge, and that becomes the page order in the final PDF. Reordering first saves you from re-exporting, since the merge follows the sequence on screen exactly.

Will the bookmarks and clickable links survive the merge?Internal text, hyperlinks, and most page-level features carry over because the pages are copied whole. Some document-level bookmarks (outlines) from the original files may not be preserved, so check the table of contents in the merged file if you relied on it.

Is there a limit to how many PDFs I can combine at once?There is no fixed daily limit, just a sensible per-batch cap so your browser stays responsive. Because the whole job runs on your own device and nothing is uploaded, very large or numerous files are bounded mainly by your computer memory.

Are my documents uploaded to a server when I merge them?No. The merge happens entirely in your browser, so the files never leave your device and nothing is stored. That makes it safe for contracts, statements, and other confidential PDFs you would not want sent anywhere.