How many PDFs can I merge at once?

You can merge up to 20 PDF files at once.

Is the file order preserved?

Yes, files are merged in the order you arrange them.

Can I reorder pages before merging?

Yes. Drag and drop the uploaded files to rearrange them in any order. The merged PDF follows the sequence you set exactly.

Is the merged PDF the same quality as the originals?

Yes. Merging is lossless — no re-encoding happens. All fonts, images, bookmarks, and formatting from the original files are preserved.

What is the maximum PDF file size PDF Merger can handle?

Because processing happens in your browser, the practical limit is your device's available memory. PDFs up to 100 MB work without issues on most computers; very large files may be slower on older or low-memory devices.

Can PDF Merger process password-protected PDFs?

Password-protected PDFs must be unlocked first. Use our PDF Unlocker tool to remove the password, then use PDF Merger on the unlocked file.

Does PDF Merger support all PDF versions?

Yes. PDF Merger supports PDF 1.0 through 2.0, including files created by Adobe Acrobat, Microsoft Office, Google Docs, LibreOffice, and any standards-compliant PDF generator.

Is PDF Merger free to use?

Yes, PDF Merger is 100% free with no usage limits, no watermarks, and no hidden charges. The platform is supported by non-intrusive advertising so all tools stay free for everyone.

Do I need to create an account to use PDF Merger?

No account or registration is required. Open PDF Merger and start immediately — no email, no sign-up, no personal information needed.

Is my data safe when using PDF Merger?

Yes. PDF Merger runs entirely in your browser using client-side JavaScript. Your files and data never leave your device and are never transmitted to our servers.

Does PDF Merger work on mobile and tablet devices?

Yes. PDF Merger is fully responsive and tested on smartphones, tablets, and all major desktop browsers (Chrome, Firefox, Safari, and Edge). The interface adapts automatically to any screen size.

PDF Merger

Combine multiple PDFs into one file

FreeNo sign-upPDF Tools →

PDF Merger is a free, browser-based PDF management tool. Merge multiple PDF documents into a single file online. Reorder pages, set output quality, and combine PDFs from any device for free.

Students, office workers, freelancers, and anyone who works regularly with PDF documents use PDF Merger every day to save time and skip the overhead of desktop software or paid services. No installation, no account, and no technical knowledge required — just upload PDF Merger and get results in seconds. Your files never leave your browser — full privacy by design.

PDF Merger

Drop PDF files here

Add 2 or more PDFs to merge

How to use PDF Merger

Upload PDFs

Select or drag multiple PDF files to merge.

Reorder files

Drag to reorder the files in your desired sequence.

Merge

Click merge to combine all files into one PDF.

Download

Download your merged PDF.

Use Cases

Reducing PDF size for email attachments under size limits
Archiving scanned documents in a compact, standardised format
Sharing polished reports and proposals with clients
Organising multi-document projects into a single file
Preparing documents for e-signature platforms

Key Benefits

100% free with no usage limits, watermarks, or hidden fees
No account or sign-up required — use it instantly
Works in all modern browsers on desktop, tablet, and mobile
Privacy-first: all processing runs locally, files never leave your device
Fast local processing — no server upload queues
Batch process multiple files in one operation
Original file is never modified — output is always a new file

PDF Merger

How to use PDF Merger

Upload PDFs

Reorder files

Merge

Download

Use Cases

Key Benefits

Frequently Asked Questions

PDF Splitter

PDF Compressor

PDF to Word