Underline Words in PDF
About us
English
Underline Words in PDF
Effortlessly underline words in your PDF documents online
or drag and drop a file
Supports PDF and image file formats (maximum 100MB)
By using the product, you agree to our Terms of Service and have read our Privacy Policy.
Trusted by Millions Worldwide
4.4
2,100+ reviews on G2
4.4
8,200+ reviews on Capterra
4.4
73,000+ reviews on App Store
248M
Registered Users
5B
Notes Created
2M
Notes Created Daily
Frequently Asked Questions
To underline words in a PDF, upload your document with our online tool. Select the pen tool to draw lines under words and adjust color and thickness.
Yes, the underline tool is fully browser-based, requiring no software downloads. Simply upload your PDF and start underlining.
Absolutely. You can adjust the underline color using the color selection tool in the markup interface.
Yes, the maximum file size for PDFs is 100 MB per file. Larger files will need to be reduced before upload.
Use the color selection to choose bright colors for your underlines, effectively highlighting important words and phrases.
Yes, our tool supports multipage PDFs. Navigate through pages to underline words on each page as needed.
No, the markup tool is designed for desktop use only. Access via a desktop or laptop browser like Chrome or Firefox.
No, this feature is specifically for PDFs. However, image files can be marked with other tools like lines and arrows.
No, this tool doesn't allow editing of existing text in the PDF. It is for adding markups such as underlines.
Yes, along with underlining using the pen tool, you can use text boxes, highlights, and shapes to enhance your PDF markups.
No, our tool doesn't support optical character recognition. Text extraction from images is unavailable.
Yes, once you've completed your underlines, you can download the marked PDF to your device for easy sharing and review.
Signing up is required to access full features like saving to Evernote, but you can download marked files without registration.
The tool works smoothly on popular desktop browsers like Chrome, Firefox, and Safari, ensuring a seamless experience.
No, this tool doesn't support real-time collaboration or tracking changes by others. Each session is standalone.