Work with your PDF files simply and securely
Unido brings together a set of tools to merge, split, compress, rotate, add page numbers, add watermarks, convert to Word, convert JPG to PDF and PDF to JPG, right in your browser. No software to install, no account to create, and your files are never uploaded to a server.
Merge PDF
Combine two or more PDF or Word files into a single document.
Merge my files Extract & splitSplit PDF
Extract specific pages or split a PDF into several independent files.
Split my PDF Convert formatConvert PDF to Word
Extract the text from your PDF and download it as an editable Word (.docx) document.
Convert to Word Convert formatConvert JPG to PDF
Combine one or more JPG images into a single PDF document.
Convert to PDF Convert formatConvert PDF to JPG
Turn every page of your PDF into a JPG image.
Convert to JPG Reduce sizeCompress PDF
Reduce the size of your PDF files by compressing the images they contain.
Compress my PDF Fix orientationRotate PDF
Turn every page of your PDF 90°, 180° or 270°, in seconds.
Rotate my PDF Number pagesAdd page numbers
Automatically add a page number to every page of your PDF.
Number my PDF Protect & markWatermark PDF
Add a diagonal, semi-transparent text watermark, like "CONFIDENTIAL", to every page.
Add watermarkWhy use Unido
Everything happens in your browser
Your files are processed on your own device. They're never uploaded to or stored on an external server.
No sign-up, no install
You don't need to create an account or install any software. Just open the tool and start using it.
Results in seconds
Choose the tool you need, upload your file, and download the result with no waiting and no hassle.
Frequently asked questions
Is it free to use Unido's tools?
Yes, every tool on Unido is free to use, with no usage limits and no need to create an account.
Do my PDF files get uploaded to a server?
No. Each tool processes your files inside your own browser. Your documents never leave your device.
What PDF tools does Unido offer?
You can currently merge several PDFs (or Word documents) into one, split a PDF by extracting pages or dividing it into several files, compress a PDF by reducing the size of its images, convert a PDF into an editable Word document, convert JPG images to PDF, and convert a PDF into JPG images. We'll keep adding more tools over time.
Do I need to install any software?
No, every tool runs directly in your browser, on both desktop and mobile.
Does Unido work without an internet connection?
Yes. Once you've visited Unido, your browser saves the tools so you can keep using them offline. You can also install it as an app on your phone or computer from the "Install app" button.
PDF Guides
Direct answers to the most common questions people have when working with PDF and Word.
PDF or Word: Which Format to Use for Each Case
The right question isn't which is better — it's whether the document still needs to change. Real cases to help you decide fast.
Read the guide OptimizationHow to Shrink a PDF Without Wrecking Its Quality
What actually makes a PDF heavy, and how to think about compression depending on how you'll use the file.
Read the guide Privacy & securityHow to Protect Your PDFs: Privacy and Security, Explained Properly
Passwords, hidden metadata, and why your browser is safer than uploading your file to an unknown server.
Read the guide