How to edit PDF files online
Easily add comments or markups to a PDF online by following these steps. Online editing available on desktop and web and does not include mobile.
- Choose a PDF to edit by clicking the Select a file button above, or drag and drop a file into the drop zone.
- Once Acrobat uploads the file, sign in to add your comments.
- Use the toolbar to add text, sticky notes, highlights, drawings, and more.
- Download your annotated file or get a link to share it.
Try our free PDF editor
Annotate a PDF with comments
Shared review is easy with PDF comments. Add comments to a PDF and use @mentions to tag your team and speed up collaboration. If you're editing content, you can format your comment to replace or add text in a document.
Draw on a PDF
Draw on your PDF online using a variety of colors and line thickness. You can draw freehand, or, using the desktop application, select convenient, common shapes - including a collection of stamps.
Add a text box to a PDF
You can add a text box anywhere on your PDF to add to the document content or leave notes. Choose the text size and customize character spacing so your text looks just right. You can also add popular form features like checkmarks.
Edit PDF documents fast
Our online PDF editor lets you add text, sticky notes, highlights, drawings, and more to PDFs with ease. Just upload a file and sign in to annotate it. Then download or share it.
Use with any browser
You can use our online PDF editor in any web browser, such as Microsoft Edge, Google Chrome, Safari, or Firefox. It also works on any operating system, including Mac, Windows, and Linux.
A free PDF editor you can trust
Adobe invented the PDF format. Share your comments with confidence by using our free Edit PDF online tool to annotate your files.
Questions? We have answers.
Our free PDF editor tools let you add text, annotations, and drawings to documents when you sign in:
• Add text boxes or sticky notes anywhere in the file
• Highlight, strike through, or underline content
• Use the drawing tool to freehand draw whatever you want
If you need more advanced PDF editing tools, you can start an Adobe Acrobat Pro 7-day free trial on your desktop, mobile device, or online. With Acrobat Pro for Mac or Windows, you can:
• Edit PDF text to fix a typo, change fonts, or add new content
• Move, rotate, flip, or add images (JPG, PNG, and more)
• Add bulleted or numbered lists
• Insert page numbers or watermarks
Your Acrobat Pro free trial also lets you edit text in scans using optical character recognition (OCR) functionality, create PDFs from almost any file format, create PDF forms, sign PDFs with e-signatures, organize PDF pages, reduce file sizes, secure PDFs with passwords, redact PDF content, and convert PDFs to Microsoft Excel, PowerPoint, and Word documents using Acrobat PDF converter tools. With AI Assistant, you can also ask your PDF questions and generate a summary to help extract quick insights.
Use Acrobat tools for free
- Sign in to try 25+ tools, like convert or compress
- Add comments, fill in forms, and sign PDFs for free
- Store your files online to access from any device
Edit a PDF