Add sticky notes, comments, and annotations to your PDF documents for review and collaboration. Place notes on any page and download the annotated PDF. All processing happens in your browser.
or click to browse your files
Add sticky notes and comments in three simple steps — no software installation or account required.
Drag and drop your PDF file into the upload area, or click "Choose PDF File" to browse your device. The tool accepts any standard PDF document. Once uploaded, all pages are rendered so you can navigate to the page you want to annotate.
Click anywhere on the page to place a sticky note. Type your comment, feedback, question, or instruction. Choose a note color to categorize different types of annotations — yellow for general comments, red for urgent issues, green for approvals.
Once you have added all your annotations, click the download button to save the annotated PDF. All sticky notes are embedded into the document. Share the annotated file with colleagues for review or keep it as a reference.
The simplest way to add notes and comments to PDF documents — perfect for review and collaboration.
No premium tier, no usage limits, and no hidden fees. Annotate as many PDFs as you need without creating an account or paying a subscription.
Your files never leave your device. All annotation processing happens locally in your browser. There is no server upload, no cloud storage, and no data collection.
Add colored sticky notes anywhere on the page. Type detailed comments, feedback, questions, corrections, or instructions. Notes are visible and easy to read for anyone who opens the PDF.
Use different colors for different types of annotations. Yellow for general comments, red for issues that need attention, green for approvals, blue for questions — create a visual system that works for your team.
Navigate between pages and add annotations to any page in your PDF. Perfect for reviewing lengthy contracts, reports, manuscripts, or presentations page by page.
Annotated PDFs are perfect for sharing feedback with colleagues, clients, students, or collaborators. Everyone can see your notes and comments when they open the file in any PDF viewer.
Everything you need to know about annotating PDFs with ConvertKr.
ConvertKr's annotate tool lets you add sticky notes with custom text to any location on your PDF pages. Each note can contain detailed comments, feedback, questions, or instructions. You can choose different colors for each note to categorize your annotations.
Yes. Navigate between pages using the page controls and add sticky notes to any page in your document. There is no limit to the number of pages or annotations you can add to a single document.
Yes. The annotation tool provides multiple color options for sticky notes. Use different colors to create a visual system — for example, yellow for general feedback, red for corrections, green for approvals, and blue for questions.
Yes. The annotations are embedded into the PDF content, so they are visible in any PDF viewer including Adobe Acrobat, Preview on Mac, Chrome's built-in PDF viewer, and mobile PDF readers on iOS and Android.
Yes. The editor supports undo and redo, and you can select and delete individual sticky notes before downloading. Only the annotations you want will appear in the final PDF.
Absolutely. The annotate tool is designed for document review workflows. Add comments, feedback, questions, and corrections directly on the PDF pages. Share the annotated file with your team so everyone can see the notes in context.
Yes. All processing happens entirely in your browser. Your PDF files are never uploaded to any server. ConvertKr cannot see, access, or store your documents. This makes it safe for annotating confidential contracts, legal documents, and sensitive materials.
Yes. ConvertKr runs in your browser, so it works on smartphones and tablets. The interface is responsive and touch-friendly. Tap to place notes and use the on-screen keyboard to type your comments.
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