Work with PDFs online

Work with PDFs online

Use Acrobat online services to convert Microsoft Word, Excel, and PowerPoint files to PDF in any browser. You can also convert images, fill and sign forms, and comment on files.

Do more with your PDFs

Do more with your PDFs

Do you need to convert, combine, annotate, fill, sign, and share files? Subscribe to Adobe Acrobat PDF Pack for a set of online tools.

Get the best with Adobe

Get the best with Adobe

Adobe invented the PDF format. Come back later to add comments to another file. Or sign in to do more with your stored files.

PDF Editor

Edit PDF documents fast

Our PDF editor allows you to add comments, text, and freehand drawings to PDF files with ease. Just upload a file and sign in to annotate it. Then download or share it.

Add Comments

Add comments to a PDF online

You can add comments to your file from any web browser — like Google Chrome, Safari, or Firefox — when you try our online PDF editor.

Fast PDF Editor

A PDF editor you can trust

Adobe invented the PDF format. Share your comments with confidence by using our free PDF editor to annotate your files.

Edit PDF

How to edit PDF files online

How to edit PDF files online

Follow these easy steps to edit a PDF online by adding comments:

Choose a PDF to edit by clicking the Select a file button above, or by dragging and dropping a file into the drop zone.

Once Acrobat uploads the file, sign in to add your comments.

Edit your PDF by using the toolbar to add sticky notes, text, and freehand drawings.

Download your annotated file or get a link to share it.

Questions? We have answers.

What tools can I use to edit a PDF online?

Our free PDF editor tools let you add comments 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 try Adobe Acrobat Pro free for seven days 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 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.

How do I add drawings to a PDF?

To add drawings to a PDF file, use the Acrobat free online PDF editor tool. Once you sign in, you can use the drawing tool to freehand draw anything desired, including lines, shapes, and arrows in your preferred color.

How do I share my edited PDF?

Once you've added all your comments to a PDF, you’ll be able to download the annotated PDF. You can send it to others by email or use the Acrobat Share PDF tool to share an online link when you sign in.

Questions? We have answers.