Adding lines to PDFs is a common task performed by many professionals, such as engineers, architects, and graphic designers. Drawing lines can help to emphasize important information, create boundaries around specific sections, or enhance the document's visual appeal. For example, drawing lines can significantly improve the document's clarity and professionalism when editing blueprints, adding signature lines, or highlighting text. Fortunately, various tools and software are available to help you draw lines on PDFs efficiently, ranging from basic freehand drawing tools to more advanced software with automatic shape recognition and alignment features. In this article, we will discover the most popular tools and software for drawing lines on PDF files and help you choose the most suitable one for your needs. So, let's dive in and discover how to add lines to PDFs like a pro!
AcePDF is a professional software that lets users modify and organize their PDF files. It offers a complete set of features to enhance PDFs you can add shapes to PDF and annotations. One of its notable features is the ability to draw a line on a PDF. Users can draw free-form lines to highlight important points and create specific shapes that they need to insert into their documents. The line's appearance can be customized by color, line width, and opacity, and it is available as a real-time drawing to achieve the overall requirement of the document. AcePDF also offers an eraser tool for easy correction of errors. Additionally, it provides more PDF annotation tools like text highlighting, sticky notes, and more. Read the instructions below to learn how to draw a line on PDF using this excellent software.
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Adobe Acrobat is a feature-rich PDF software with multiple editing capabilities to enhance PDFs. With Adobe Acrobat, users can draw straight line in PDF to highlight important points, create shapes or diagrams, and add annotations to their documents. The software provides several tools for drawing lines, including a line, pencil, and freeform tools. The line tool enables users to draw straight lines, while the pencil tool allows more freehand drawing. The freeform tool lets users draw any shape for creating complex diagrams. Users can customize the appearance of their lines by selecting the color, thickness, and style. Additionally, Adobe Acrobat allows users to add and remove text from PDF, making it a popular tool for collaborating and sharing documents.



If you work online and need to manage PDF documents, PDFLiner is a great tool to try out. It has a scope of features that lets you share, fill out, sign, and draw on PDF online. One of its most customizable features is the "Draw" tool, which lets you choose from various line types, thicknesses, and colors before drawing on your document. You can also customize the color of your lines to ensure they are visible on the page. Additionally, it's known as a free PDF annotator online. Users can underline in PDF, add text boxes, sticky notes, and even images to your PDFs. The tool also allows you to add fields to your document, whether for numbers or text. You can then export your changes via email or save them as image files, depending on your preference. This tool is perfect for users who need to make quick changes to their PDFs. Follow the steps below to learn how to use the tool.



Drawing a line on a PDF will not change the document's layout. However, the line may overlap with some text or images, which can affect the readability. It is important to ensure that the line is placed properly and does not interfere with the content of the PDF.

Most PDF editors allow you to draw various curved and angled lines. To draw a curved or angled line, select the line tool and then tick and drag the cursor to draw the line. While dragging the cursor, you can change the angle or curve of the line by using the mouse or touchpad.

Yes, you can easily undo or delete a line you drew on a PDF. Most PDF editors have an undo button that you can click to remove the last action you performed. Alternatively, you can tick the line and press the delete key or right-click and press the delete option. However, it is important to note that once a PDF is saved, the changes made to it are permanent and cannot be undone, so it is recommended to save multiple versions of the PDF as you work on it.

Drawing lines on PDFs is a useful feature that can enhance a document's readability and overall performance. Whether you want to highlight important sections, add comments, or create diagrams, drawing lines can help you express your ideas more effectively. It's important to ensure that the lines are placed correctly and don't interfere with the content of the PDF. Most PDF software has various line tools that allow you to draw straight, curved, and angled lines easily. Additionally, you can easily undo or delete a line that you have drawn if necessary. So, explore the many features of your PDF editor and experiment with drawing lines to create more engaging and professional-looking documents. With some creativity and practice, you can take your PDF documents to the next level and make them stand out.