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mergepdf — Frequently Asked Questions
Everything about formats, quality, privacy and how Merge PDF Online works.
General
Frequently asked questions
Is mergepdfonline.net free?
Yes — free, no watermark, no signup.
What order are files merged in?
Upload order — first file first.
Are uploads private?
Files are processed in an isolated workspace and removed shortly after download.
Merge PDF
Frequently asked questions
In what order are PDFs merged?
In the order you upload them — the first file becomes the first pages, and so on.
Is there a limit on how many I can merge?
You can combine as many PDFs as you like, within the upload size limit.
Does merging reduce quality?
No — pages are copied exactly, so text stays selectable and images stay sharp.
Is it free and private?
Yes — free, no watermark, no signup, and files are removed shortly after download.
Split PDF
Frequently asked questions
Quality?
Pages are copied exactly — no re-compression.
Compress PDF
Frequently asked questions
Still selectable?
Yes — text and structure are preserved.
Rotate PDF
Frequently asked questions
180°?
Run it twice.