Free PDF Merger - Combine PDFs in Browser

PDF Merger

Combine multiple PDFs into one. Drag to reorder, optional page ranges per file. Browser-based, no upload.

100% private - everything runs in your browser, no data is sent anywhere

📄

Drop PDFs here or click to browse

Multiple PDFs supported. Use the up/down buttons to reorder.

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TL;DR

Combine multiple PDFs into one without uploading anything. Drag the file cards to set page order, optionally enter a per-file page range like 1-5, 8 to include only specific pages. The merge happens entirely in your browser via pdf-lib; your Aadhaar, PAN, bank statements, and salary slips never leave your device. No signup, no daily quota, no watermark. Encrypted PDFs need to be decrypted in your PDF reader first.

Free PDF Merger - Combine Multiple PDFs Without Uploading

Most online PDF mergers (iLovePDF, SmallPDF, Adobe online) upload your files to remote servers for processing. For Indians dealing with Aadhaar scans, PAN cards, salary slips, bank statements, or ITR proofs, that means your sensitive documents pass through third-party servers that may be hosted outside India with no obligation to follow Indian data protection norms. This tool merges PDFs entirely in your browser using pdf-lib. Your files never leave your device.

You can confirm nothing is uploaded by disconnecting from the internet after the page loads. The merge still works because all the processing happens locally in JavaScript. No signup, no daily quota, no watermark.

Quick Facts

Input2 or more PDF files (.pdf)
OutputSingle merged PDF, downloaded as merged.pdf
Max filesNo hard limit; recommended <100 MB total for mobile
Page range syntax1-5, 8, 12-15 per file (optional)
Encrypted PDFsNot supported; remove password in your PDF reader first
Where processing happens100% in your browser via JavaScript; no upload
Librarypdf-lib (MIT license, lazy-loaded on first action)
CostFree, no signup, no watermark, no quota

How to merge PDFs in your browser

  1. Drop your PDF files into the upload area, or click to browse and select multiple files at once.
  2. Drag the file cards to reorder them. The order in the list becomes the page order in the merged PDF.
  3. Optionally, enter a page range per file (like 1-5, 8, 12-15) to include only specific pages. Leave blank to include the whole file.
  4. Click Merge. The combined PDF is built on your device.
  5. Click Download to save the merged PDF locally.

Common Indian use cases

  • Passport / visa application: combine passport scan + utility bill + photo into one upload
  • College admission (DU, JNU, IIT, state universities): merge 10th + 12th + transfer certificate + caste/income certificate into one PDF
  • Banking and loan applications: bundle salary slips, bank statements, ID proof, address proof for the lender portal
  • ITR filing: merge Form 16 + 26AS + investment proofs + rent receipts into a single attachment
  • Court / RTI submissions: compile evidence and supporting documents into one chronological PDF
  • Job applications: combine resume, cover letter, and certificates into one file as recruiters expect

When you need page ranges

Sometimes the source PDF has pages you do not want in the merged file. The optional page-range field lets you pull only the relevant pages from each PDF. Examples: extract pages 1-5 from a Form 16 to attach only the salary section, or include pages 3 and 8 from a 50-page bank statement that has the relevant transactions. Range syntax accepts hyphens for ranges (1-5), commas for separators (1, 3, 5), or a mix (1-3, 5, 8-10). Pages are 1-indexed.

What is preserved in the merged PDF

pdf-lib copies pages byte-for-byte from the source PDFs. Selectable text remains selectable. Vector graphics stay sharp at any zoom. Embedded fonts, form fields, annotations, and bookmarks within each page are preserved. Encrypted/password-protected PDFs cannot be merged without first removing the password using your PDF reader.

Need to extract pages from a single PDF instead? Use Split PDF. Need to convert images first? Use Image to PDF. For background on PDF privacy, see why "free" online PDF tools quietly upload your files.

Frequently Asked Questions

How do I merge PDFs?+
Drop multiple PDF files into the upload area, drag the file cards to reorder them, then click Merge. The combined PDF is built locally in your browser and downloaded directly.
Are my PDFs uploaded to a server?+
No. The entire merge happens in your browser using pdf-lib. You can verify this by disconnecting from the internet after the page loads; the tool still works.
Is there a limit on file size or number of files?+
No hard limit. We recommend keeping the total under 100MB for smooth processing on mobile devices. Encrypted/password-protected PDFs cannot be merged unless you remove the password first.
Will the original PDF formatting be preserved?+
Yes. pdf-lib copies pages byte-for-byte, so text remains selectable, vector graphics stay sharp, and form fields are preserved. Annotations and comments are preserved too.
Can I select specific pages from each PDF instead of merging the whole file?+
Yes. Each file in the merge list has an optional page-range field. Leave it blank to include the whole file, or enter a range like 1-5, 8, 12-15 to include only those pages.