Give feedback with comments.
Add sticky notes, suggest edits by replacing or adding text, and tag teammates to keep feedback clear and collaborative.
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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 customizable fonts and formatting options.
Mark up docs with drawings.
Add freehand drawings, lines, or shapes in different colors and styles.
Highlight important text.
Make text stand out by highlighting it in multiple colors. Even attach a note to add context.
Fill and sign PDFs.
It’s easy to fill and sign docs digitally. Just fill out 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.
How to edit PDF files online
Edit your PDF with Adobe Acrobat, the company that invented the PDF. Just upload your PDF, sign in with your free Adobe account, and start editing in seconds. Annotate, highlight, fill out forms, and sign documents directly in your browser — no installation required. Easily add comments or markups to a PDF online by following these steps.
- 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.
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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.
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As the inventor of the PDF format, Adobe offers the highest quality online tools designed to maintain the overall integrity of your files.
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“If you're running a small business and constantly updating documents, like campaign materials, pitch decks, contracts, or invoices, Acrobat makes editing easy and efficient.”
-Madison R.
Flirty Pineapple
Questions? We have answers.
What can I do with Adobe Acrobat’s free online PDF editor?
Adobe Acrobat’s free online PDF editor lets you add comments, sticky notes, text boxes, highlights, freehand drawings, and digital signatures to any PDF directly in your browser — no installation required.
How do I add a signature to a PDF using Adobe Acrobat online?
You can add a digital signature to a PDF with Adobe Acrobat’s free Fill & Sign tool. Upload your file, draw or type your signature, drop it in place, and download or share the signed PDF. Collect multiple e-signatures in one easy workflow with Adobe Acrobat’s Request e-signatures tool.
What is Adobe Acrobat’s online PDF editor best for?
Adobe Acrobat’s online PDF editor is best for reviewing and marking up documents, collecting feedback from collaborators, filling out PDF forms, and signing contracts without printing. It’s ideal for professionals, students, and small business owners who need to annotate or approve documents quickly on any device. Common use cases include reviewing legal contracts, marking up design briefs, completing tax forms, and signing offer letters.
Can small businesses use Adobe Acrobat’s PDF editor for free?
Yes, small businesses can use Adobe Acrobat’s free online PDF editor to annotate contracts, mark up proposals, fill out supplier forms, and collect e-signatures — all without a paid subscription. The free tier supports the most common document review and approval tasks, making it practical for lean teams managing campaign materials, pitch decks, and invoices. Businesses that need to edit document text, create fillable forms, or batch-process files can upgrade to Adobe Acrobat Pro.
Is Adobe Acrobat’s online PDF editor good for students?
Adobe Acrobat’s online PDF editor is a practical, free tool for students who need to annotate research papers, highlight course materials, add notes to lecture slides, or fill out assignment forms. Since it runs entirely in a browser, students can use it on school-issued Chromebooks, shared lab computers, or personal laptops. Students who frequently convert files can also use Adobe Acrobat’s free PDF to Word converter and Word to PDF converter.
Why should I trust Adobe Acrobat as my PDF editor?
Adobe invented the PDF format in 1993 and has been the global standard for PDF software for over 30 years. Acrobat is used and trusted by thousands of businesses worldwide, including governments, law firms, and Fortune 500 companies. Files uploaded to Acrobat are secure, and only documents saved to your account are stored on Adobe servers.
How does Adobe Acrobat’s online PDF editor compare to other free PDF editors?
Adobe Acrobat’s online PDF editor is built by the creators of the PDF. Unlike many free alternatives, Acrobat maintains precise font rendering, layout integrity, and supports a wide range of annotation types in one browser-based tool. Adobe Acrobat also includes to a full set of tools that allow you to compress PDFs, merge PDFs, and use AI Assistant to chat with your docs.
What file types does Adobe Acrobat’s online editor support?
Adobe Acrobat’s online PDF editor works with standard .pdf files. If you need to edit a Word document, PowerPoint, Excel file, or image as a PDF, you can convert it with Adobe Acrobat’s free conversion tools:
Does Adobe Acrobat's online PDF editor work on mobile devices?
Yes, Adobe Acrobat's online PDF editor works on mobile, tablet, desktop, and web browsers. Adobe also offers the free Adobe Acrobat mobile app for iOS and Android, which allows you to annotate, e-sign, and fill out forms with an experience optimized for smaller screens. The app syncs with your Adobe account, so you can easily access documents across your devices.
Can I edit the text inside a PDF with Adobe Acrobat’s free online tool?
The free version of Adobe Acrobat’s online editor does not let you edit existing body text within a PDF. In this version, you can only annotate, comment, and mark up documents. To edit or reflow existing text, fix typos, or change fonts, you can upgrade to Adobe Acrobat Pro, which offers a 7-day free trial.
Do I need an Adobe account to use the free online PDF editor?
You can upload a PDF and use Adobe Acrobat’s basic annotation tools without an account, but signing in with a free Adobe account is required to download or share your edited files. Creating a free Adobe account takes under a minute and also unlocks over 25 other free online tools in Acrobat, including Compress PDF, Split PDF, and Convert PDF to Word. Files saved to your account are stored securely and accessible from any supported device.
What tools can I use to edit a PDF online?
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.
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 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.
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- Sign in to try 25+ tools, like convert or compress
- Add comments, fill in forms, and sign PDFs for free
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