Merge PDF Files Online
Combine multiple PDF files into one document. Drag to reorder, then download. Free, no signup.
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500K+ conversions
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Files auto-deleted in 2h
Drop your PDF files here
Tap to choose PDF files
Select 2–20 PDF files (up to 100 MB total)
Merging PDFs…
This usually takes a few seconds
Encrypted upload via HTTPS. Files auto-deleted from our servers within 2 hours.
How to Merge PDF Files
1
Upload
Drag and drop your PDF files into the tool above, or click to browse. Select 2–20 files.
2
Reorder
Drag files in the list to arrange them in the order you want. The final PDF will follow this sequence.
3
Merge & Download
Click Merge & Download to combine all files into a single PDF. Done in seconds.
Why Merge PDF Files?
- Combine scanned pages — Merge individual page scans into a single document for easy sharing and archiving.
- Consolidate reports — Combine cover page, table of contents, chapters, and appendices into one professional document.
- Prepare submissions — Many portals require a single PDF. Merge your application, resume, cover letter, and supporting documents.
- Organize invoices — Combine monthly invoices into quarterly or annual bundles for accounting.
What Happens When You Merge PDFs
Our merger combines PDF files losslessly — no re-encoding, no quality loss. Here’s what’s preserved:
- Text and formatting — fonts, styles, and layout stay exactly as in the originals.
- Images — photos and graphics are kept at their original resolution and compression.
- Links and bookmarks — hyperlinks, internal bookmarks, and table of contents entries are maintained.
- Form fields — fillable form fields and their values are preserved.
- Annotations — highlights, comments, and sticky notes carry over to the merged document.
Tip: The order of files in the list determines the page order in the merged PDF. Drag to rearrange before merging.
Frequently Asked Questions
You can merge up to 20 PDF files at once, with a total combined size of up to 100 MB. For larger batches, merge in groups of 20 and then merge the results together.
Yes. After uploading your files, drag and drop them in the file list to arrange them in any order. The merged PDF will follow the order shown in the list. You can also remove individual files by clicking the × button.
No. Merging is completely lossless — it combines the PDF files as-is without re-encoding images or altering content. Every page, font, image, and annotation is preserved exactly as in the original files. The merged file size will be approximately the sum of the individual file sizes.
No, password-protected PDFs cannot be merged. You’ll need to remove the password first, then upload the unprotected files.
Yes, completely free with no limits. No signup, no watermarks, no file count restrictions. Your files are encrypted via HTTPS and automatically deleted from our servers within 2 hours.
DEVELOPER API
PDF Merging API
Run pdf merging programmatically via REST API — free, no signup, JSON responses.
POST /api/v1/tools/merge-pdf
curl -X POST https://cleverutils.com/api/v1/tools/merge-pdf \
-F "files[][email protected]"\
-F "files[][email protected]"\
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