How to Merge PDF Files Online for Free — No Software Required

Combining multiple PDF files into a single document is one of the most common file management tasks. Whether you're assembling a report, packaging a job application, or creating a portfolio, you don't need Adobe Acrobat to get it done.

Why Merge PDFs?

• Reports and presentations: combine a main document with appendices or charts
• Job applications: attach CV, cover letter, and certificates in a single file
• Invoices and contracts: merge multiple pages into one clean PDF for sending
• Document archiving: consolidate related files for simplified management

How to Merge PDFs with PDF Lab

PDF Lab's Merge tool handles it in three steps:

1. Upload your files: drag and drop multiple PDFs into the upload area (up to 20 MB each)
2. Set the order: drag the file list to arrange them in the order you want
3. Click Merge: download the combined PDF instantly

No account. No watermark. Files are deleted after 60 minutes.

Useful Combinations With Other Tools

• Want to compress the merged result? Use Compress PDF after merging.
• Need to remove pages before merging? Use Delete Pages first.
• Want to add a password to the combined file? Use Protect PDF after.

File Size Limits and Privacy

Each individual file can be up to 20 MB. All files are processed on our European server and permanently deleted 60 minutes after upload. We never read the contents of your files or share them with third parties.

Try it now: Merge PDF Free →