Free and private PDF tools

Merge, split, compress, sign, convert and scan PDFs for free. Everything happens in your browser: files are never uploaded.

How it works

Choose or drop your file: it opens right in your browser.
Set the options and start processing.
Download the result. No file is ever uploaded to a server.

Why use DocuMaster

It runs entirely on your device: documents stay private, with no sign-up and no limits. Also available as an app for iPhone, iPad and Android, with a camera scanner.

More PDF tools

PDF Reader – Read PDFs full screen: continuous scrolling, pinch to zoom, text search, table of contents and night mode. Picks up where you left off.
Read PDF Aloud – Listen to your PDFs read by your device’s voice, with adjustable speed. Scanned pages are read using OCR.
Document scanner – Photograph documents and receipts: edges detected automatically, perspective straightened, shadows removed.
OCR – Searchable text – Recognizes text in scanned PDFs and photos so you can search, select and copy it.
Merge PDF – Combine several PDFs into one document, in the order you want.
Split PDF – Extract a page range or split the document into several files.
Compress PDF – Reduces file size by recompressing images: text stays sharp and selectable.
Edit & annotate – Write, draw, highlight, add shapes and stamps on any page.
Sign PDF – Draw or type your signature, save it and place it on the document.
Fill forms – Fill in PDF form fields, or add text, ✓, ✗, date and signature to any form.
PDF to Word – Converts the PDF text into an editable Word document (.docx).
PDF to JPG/PNG – Turn pages into images at the quality you choose.
Images to PDF – Combine JPG, PNG and WebP photos into one PDF, correctly oriented.
Extract text – Save all the text of the PDF to a .txt file.
Organize pages – Reorder, rotate, duplicate and delete pages, or add blank pages.
Rotate PDF – Rotate all pages or only the ones you choose.
Watermark – Add semi-transparent text in the center or repeated across the page.
Page numbers – Add page numbers in the format and position you choose.
Password protect – Encrypt the PDF with AES-256: it cannot be opened without the password.
Remove password – Remove the password and restrictions from a PDF whose password you know.
Redact sensitive data – Permanently black out names, bank details and personal data: the text underneath is deleted.
Edit metadata – Change or erase the title, author and other hidden file information.
Flatten forms – Makes filled-in fields permanent so they can no longer be edited.
Document analysis – Charts showing what takes up space, scanned pages, page formats and form fields, with tips.

Guides

About DocuMaster PDF Studio

DocuMaster PDF Studio is a free set of 24 PDF tools – reader, read aloud, scanner, OCR, merge, split, compress, sign, fill forms, convert and protect – made by Ikonet Solutions, an independent software studio run by Inza Kone in Piacenza, Italy.

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