How to Merge PDFs on Android: Quick and Free Guide
Combine several PDFs into one on your Android phone without uploading files to the internet. Pick, reorder, and save in seconds.

or drop the files here
- Processed on your device
- Never uploaded to a server
- No watermarks
How to use Merge PDF on Android in 3 steps
Tap Choose files and select your PDFs
Reorder them if needed
Tap Merge and save the file to your phone
Merge PDF on Android: what it is and when to use it
On Android you can merge PDFs right in your browser or with the Rayo PDF GO app. Pick files from your phone storage, Google Drive, or the Downloads folder, put them in order, and get a single document.
The merge happens on your device, so it works even on a slow connection and you never expose your documents to outside services. It's especially handy for paperwork that asks for one PDF with several attachments.
If the merged PDF is too large to email, run it through Compress PDF afterward.
Common uses
Gather invoices, receipts, or statements into one document.
Build a portfolio or resume packet with attached certificates.
Combine multi-page scans taken separately.
Prepare school assignments or paperwork that asks for a single file.
Tips for better results
- Put the files in order before merging: the result follows that order.
- If the final file is large, run it through Compress PDF afterward.
- Check the result in the viewer before sending it.
Why Rayo PDF GO
Truly private
Your files are processed on your device and never uploaded to a server.
Fast
No queues, no waiting for a server.
On every device
iPhone, Android, Mac, Windows and browser.
Free to start
Essential tools are free; Premium unlocks the advanced ones.
Frequently asked questions
Does it work on any Android phone?
It works in any modern browser and in the Android app.
Can I pick files from Google Drive?
Yes, the system file picker lets you choose files from Drive.
Is there a limit on the number of files?
The free version has reasonable limits; Premium raises them.
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