Combine multiple PDF files
Upload two or more PDFs and merge them into a single downloadable document for sharing, filing, or review.
- Free online PDF merger
- Combine reports, forms, and attachments
- Download one merged PDF after processing
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Merge PDF Files
Combine multiple PDF files into a single document.
Files are processed instantly through the PDF tools API.
Keep PDF workflows organized
Merging PDFs is useful when you need one packet for clients, compliance review, internal records, or accessibility remediation.
- Reduce scattered attachments
- Create one document for review
- No signup required for the free tool
Check accessibility after merging
A merged PDF can inherit accessibility issues from any source file. Run the final combined PDF through the accessibility checker before publishing.
- Find missing tags and headings
- Check reading order after combining files
- Move from checker to remediation when needed
Frequently asked questions
How many PDFs can I merge?
Select two or more PDF files to combine. Very large files may take longer or need to be split into smaller batches.
Is the PDF merger free?
Yes. The merge PDF tool is free online with no signup and no watermark.
Will merging PDFs make them accessible?
No. Merging files combines documents, but it does not guarantee correct tags, reading order, headings, or alt text.
Should I check the merged PDF?
Yes. Use the free PDF accessibility checker after merging to confirm the final document is ready to share.