Unire PDF
Combina più file PDF in uno solo
Drop 2 or more PDF files
🔒 Files never leave your device
Come funziona
- 1Aggiungi i tuoi PDF
Trascina o seleziona due o più file PDF. Trascina per riordinare.
- 2Clicca Merge
Il tuo browser unisce i file localmente con pdf-lib.
- 3Download
Salva il PDF combinato sulla tua macchina. Niente viene uploadato.
Che cos'è Unire PDF
Unisci PDF online gratis. Combina quanti PDF vuoi in un unico documento - direttamente nel tuo browser, senza upload, watermark o sign-up.
Per il lavoro, per lo studio o per uso personale - questo tool è gratis quante volte vuoi. Niente watermark, niente sign-up, niente ads nei tuoi documenti.
Domande frequenti
Unire PDF è gratis?
Sì. Ogni tool su DashConvert è gratis e non ha limiti di pagine o dimensioni.
I miei file vengono uploadati?
No. Il merging avviene interamente nel tuo browser. I tuoi file non toccano mai un server.
Quanti PDF posso unire alla volta?
Quanti ne regge la memoria della tua macchina - di solito decine di file con centinaia di pagine ciascuno.
Leggi altro
How to convert PNG to PDF (single-page, batch, or multi-page)
Converting one PNG is trivial. Combining 40 PNGs into a single ordered PDF for a submission or a photo album is where most tools fall over. Here's what actually works.
TIFF to PDF: how to convert scans, faxes, and legal documents the right way
TIFF is the format lawyers, hospitals, and government agencies still use. Converting to PDF is easy - doing it without losing multi-page structure, resolution, or metadata is what trips people up.
How to convert HTML to PDF that actually looks right (2026 guide)
'Save as PDF' from a browser is fine for receipts. For anything else - invoices, reports, tickets - you need to know why the layout breaks. A practical guide based on what users on Reddit and Stack Overflow actually run into.
How to rotate a PDF permanently (not just in your PDF viewer)
Adobe Reader lets you rotate the view. Save the file, close it, reopen it - and the pages are sideways again. Here's how to actually rotate the file itself.
How to add page numbers to a PDF (position, style, and where people get it wrong)
Adding page numbers to a PDF should be trivial. It usually isn't - the source formatting fights back. Here's a workflow that always works.
How to convert Word to PDF (and actually keep the formatting)
Word-to-PDF is one of those things that 'just works' 90% of the time and creates disasters the other 10%. Here's what breaks and how to avoid it.
How to split a PDF into separate pages (or any custom range)
Extract one page, split into halves, or explode a 200-page PDF into 200 files - three different needs, three different tools. Here's how to pick.
How to compress a PDF without losing quality
'Compress' and 'without losing quality' are in tension - but not as much as you might think. A guide to shrinking PDFs sensibly, from 100 MB monsters to email-ready.
How to convert Markdown to PDF (with syntax highlighting and tables that don't break)
Markdown to PDF sounds trivial and mostly is - until you hit code blocks, tables wider than the page, and images that misalign. What actually works, based on what developers repeatedly ask about on Reddit.
How to merge PDFs without uploading them anywhere
Most 'free' PDF mergers upload your files to a server. Here's why that matters, and how to combine PDFs entirely in your browser instead.
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