Combine PDF
A fast, secure way to combine pdf without desktop software. Your files are deleted automatically within the hour.
Combine a PDF
Drop your files here or click to browse. Processed locally in your browser – nothing leaves your device.
Runs in your browser – nothing to install
Files auto-deleted from our servers within 60 minutes
Free to use with no watermark or signup
Works on desktop, tablet and phone
How it works
Three simple steps
Upload your file
Apply the combine pdf action
Download the result
Private by default
Files are encrypted in transit and deleted within 60 minutes.
Fast
Most jobs finish in under 10 seconds. No queueing.
No signup on free tier
5 documents per day, no credit card required.
FAQ
Frequently asked questions
How do I combine pdf online?+
Upload your file above, run Combine PDF, and download the result. It happens in your browser – no software to install and no account needed.
Is the Combine PDF tool free?+
Yes. Combine PDF is free on the StandardsPDF free tier, with no watermark and no signup. Pro raises the file-size and daily limits.
Are my files private when I combine pdf?+
Yes. Files you combine pdf are processed in isolated workers, never shared, and permanently deleted from our servers within 60 minutes.
Do I need an account to combine pdf?+
No account is needed to combine pdf on the free tier – up to 5 documents per day, no credit card required.
What is the maximum file size for Combine PDF?+
You can combine pdf files up to 100 MB on the free tier and 2 GB on Pro. Larger files can be split first or handled on the Pro plan.
Can I combine pdf on my phone?+
Yes – the Combine PDF tool is fully responsive and works in modern browsers on iOS, Android and iPadOS.
Will I lose any quality when I combine pdf?+
No. Combine PDF preserves the structure and quality of your original file wherever the output format allows.