Give feedback with comments.
Add sticky notes, suggest edits by replacing or adding text and tag teammates to keep feedback clear and collaborative.
Edit PDFs online for free with Acrobat.
Try our free PDF editor and speed up your document workflows.
Annotate your PDFs.
Add text boxes anywhere in your PDF with customisable fonts and formatting options.
Mark up docs with drawings.
Add freehand drawings, lines or shapes in different colours and styles.
Highlight important text.
Make text stand out by highlighting it in multiple colours. Even attach a note to add context.
Fill and sign PDFs.
It’s easy to fill and sign docs digitally. Just fill in the form fields, check the boxes and add a signature.
Share PDFs with anyone.
Share a link to your PDF so anyone can easily view and collaborate on your document.
Using a PDF editor: How to edit PDF files online.
Learn how to edit PDF files online with Acrobat by adding comments, highlights, and annotations.
- 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.
Note: Editing is available on desktop and web, not on mobile.
How to use online PDF editing features.
Follow these simple steps to quickly edit PDFs with Acrobat’s free online editor.
- Give feedback with comments:
- Open your PDF and select Sticky Note from the toolbar.
- Click where you want to add a comment and type your feedback.
- Tag teammates using @mention for collaborative review.
- Annotate PDFs:
- Select Text Box or Callout from the toolbar.
- Click in your PDF where you want to add notes.
- Adjust font, size, or colour as needed.
- Mark up documents with drawings:
- Choose Draw from the toolbar.
- Draw freehand lines, shapes, or arrows to highlight key points.
- Change colour or thickness to suit your needs.
- Highlight important text:
- Select the Highlight tool from the toolbar.
- Click and drag over text to highlight it.
- Optionally, right-click to add a note for context.
- Fill and sign PDFs:
- Click Fill & Sign in the toolbar.
- Complete form fields, checkboxes, and add your signature.
- Save or share your completed PDF.
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Edit PDF documents fast.
Our free online PDF editor lets you easily add comments, add sticky notes, highlight, draw and more. Just upload a file and sign in to make annotations, then download or share it.
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PDFs created in Acrobat have built-in security measures, so you can have confidence your docs are protected. To ensure your privacy, only files saved to your account are stored on Adobe servers.
Work online with reliable PDF tools.
As the inventor of the PDF format, Adobe offers the highest quality online tools designed to maintain the overall integrity of your files.
More ways to work with PDFs
Try our online tools to convert, compress and merge PDF files - Acrobat can do it all.
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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 Studio 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, organise 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.
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 colour.
Once you've signed in and added your comments to a PDF, you'll be able to download the annotated PDF. You can also share a link to the file online, share the file with multiple reviewers to collect all feedback in one place or share your PDF by email.
Yes, you can edit PDF files on mobile using the Acrobat Reader app. While the free online editor works on desktop and laptop, mobile editing requires the app for adding text, comments, highlights, or signatures.
You need to sign in to access the full range of editing features. Creating an Adobe account is free and allows you to save, download, and share your edited PDFs securely.
Yes, Acrobat’s PDF editor is designed with robust security measures. Files are encrypted during upload and only saved to your account, giving you confidence that sensitive information remains protected.
Yes, Acrobat allows you to undo edits while working on a PDF. You can revert recent changes or remove annotations before saving or downloading the final file.
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
Make changes fast with Acrobat's free online PDF editor. Add text, comments, and fill & sign. Easy to use and secure.
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