DinoRexPDF
Edit PDFs and scan documents without uploading your files
All the PDF tools you need, running right in your browser. Your files stay on your own devices. Free, no sign-up, nothing to install. Files are processed on your own device — never uploaded to a server.
Organize PDF
Merge PDFCombine several PDFs and photos into one document.Split PDFSplit by page, by range, or every N pages.Remove pagesDrop the pages you don’t need.Extract pagesSave selected pages as a new PDF.Organize PDFReorder, rotate, duplicate and insert blank pages.Scan to PDFPhotograph documents with your phone, straight to PDF here.
Optimize
Convert
Edit
Edit PDFAdd text, images, highlights and shapes.Rotate PDFFix pages that are sideways or upside down.Page numbersNumber pages with the position and format you choose.Add watermarkStamp transparent text on every page.Crop PDFTrim page margins or a specific area.Fill PDF formsFill in PDF form fields right in your browser.
Security & signing
Sign PDFDraw your signature and place it on the document.Redact PDFBlack out sensitive information permanently.Protect PDFLock the document with a password.Unlock PDFRemove the password from your own PDF.Compare PDFSee the text differences between two documents.PDF propertiesChange the document title, author and keywords.
Why DinoRexPDF?
Never touches the cloud
Files travel straight from phone to laptop over your own Wi-Fi.
No install, no account
Just a browser. No sign-up, no installation.
As fast as your Wi-Fi
No uploading or downloading. Big files move in seconds.
App-grade scanner
Edges detected automatically, perspective straightened, paper clean white.