Add Lines to PDF Document Online For Free

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Discover the simplicity of processing PDFs online

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Upload your document in seconds
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Fill out, edit, or eSign your PDF hassle-free
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Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025

Every PDF tool you need to get documents
done paper-free

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Create & edit PDFs

Generate new PDFs from scratch or transform existing documents into reusable templates. Type anywhere on a PDF, rewrite original PDF content, insert images or graphics, redact sensitive details, and highlight important information using an intuitive online editor.
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Fill out & sign PDF forms

Say goodbye to error-prone manual hassles. Complete any PDF document electronically – even while on the go. Pre-fill multiple PDFs simultaneously or extract responses from completed forms with ease.
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Organize & convert PDFs

Add, remove, or rearrange pages inside your PDFs in seconds. Create new documents by merging or splitting PDFs. Instantly convert edited files to various formats when you download or export them.
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Collect data and approvals

Transform static documents into interactive fillable forms by dragging and dropping various types of fillable fields on your PDFs. Publish these forms on websites or share them via a direct link to capture data, collect signatures, and request payments.
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Export documents with ease

Share, email, print, fax, or download edited documents in just a few clicks. Quickly export and import documents from popular cloud storage services like Google Drive, Box, and Dropbox.
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Store documents safely

Store an unlimited number of documents and templates securely in the cloud and access them from any location or device. Add an extra level of protection to documents by locking them with a password, placing them in encrypted folders, or requesting user authentication.

Customer trust by the numbers

64M+
users worldwide
4.6/5
average user rating
4M
PDFs edited per month
9 min
average to create and edit a PDF
Join 64+ million people using paperless workflows to drive productivity and cut costs

Why choose our PDF solution?

Cloud-native PDF editor

Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.

Top-rated for ease of use

Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.

Industry-leading customer service

Enjoy peace of mind with an award-winning customer support team always within reach.

What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
I needed a form and you were able to supply it. The problem is that I only needed that one form and would be unlikely to use this service frequently enough for the fees to be worth it for me. I think this could be a very valuable service for those who would be in a place to make use of it.
Joh L W
2014-08-12
At first I had an issue with the payment process, but even then the software is wonderful and very easy to use. I am pleased that we were able to resolve the issue and I will continue to use this software on a monthly basis. Thanks for caring enough to hear my issue and resolving it in a quick and timely manner. I truly appreciate this and will never forget your extraordinary customer service. I will also recommend you to other colleagues. Thanks again.
Kelvin R. T
2015-07-15
it has been hard getting back to my document, probably because an icon has not popped up on my screen and the form is not in my laptop document file. it's not letting me add lines to the lists though that might be a hard lock in the form. However the section instruction's say that you can add. Mostly I have only used PDF filler on this complicated form and am learning by trial and error.
Anonymous Customer
2019-10-08
It was fairly easy to find my way around the website. Everything that you need it's all right there and you don't have to search and find what ever it is that needed to get your documents completed and able to send
Zaina W
2024-05-03
Very useful app for editing documents! It is very easy to use on a desktop or mobile device. It eliminates the need for printing & filling in documents by hand! I have not experienced any features that could use improving while using pdf filler.
Monika C.
2023-01-13
Fast loading program works great Fast loading program works great for someone that has to complete a lot of pdf forms and don't want to have to handwrite the forms and mail them in.
Angie Simons
2021-06-24
I really like this program as it is… I really like this program as it is very user friendly. It makes the required pdf tasks including adding signatures simple, quick and easy to complete. I recommend it to everyone! It is truly fantastic.
Thekima Mayasa
2021-06-01
Good editing capabilities (particularly… Good editing capabilities (particularly with additional features like signing).Customer support were very prompt with their response and actions.
Jake Griffin
2020-06-14
Just want to let you know that the… Just want to let you know that the people that work for PDFiller are great people. In these hard time we are going thru I had to cancel my account and request refund. They said they could help, they did and I received a notification via email the second day after my request back to PayPal. THANK - YOU
jeff hertel
2020-04-27

Add Lines to PDF Document Feature

Our Add Lines to PDF Document feature is a game-changer for enhancing your PDF files with ease and precision.

Key Features:

Effortlessly add lines to any part of your PDF document
Customize the color, thickness, and style of the lines
Easily adjust the position and length of the lines

Potential Use Cases and Benefits:

Highlight important information in reports or presentations
Create visual guides for filling out forms or contracts
Improve readability and organization of documents

With our Add Lines to PDF Document feature, you can now enhance your PDF files with professional-looking lines that grab attention and make information stand out. Say goodbye to messy annotations and hello to clean, precise lines that elevate the overall appearance of your documents.

Get documents done
from anywhere

Create, edit, and share PDFs even on the go. The pdfFiller app equips you with every tool you need to manage documents on your mobile device. Try it now on iOS or Android!

How to Use the Add Lines to PDF Document Feature

The Add Lines to PDF Document feature in pdfFiller allows you to easily insert lines into your PDF files. Follow these simple steps to use this feature:

01
Open the PDF Document
02
Click on the 'Add Lines' Tool
03
Choose the Line Type
04
Adjust the Line Properties
05
Position and Draw the Line
06
Save and Download the Modified PDF

By following these steps, you'll be able to add lines to your PDF document effortlessly.

Did you know?

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The editing tools in the Markup toolbar are ideal for collaborating. Use the tools to provide feedback or write down something you want to remember. You can change the redaction as you edit, but once you close the document, it becomes permanent. The tool may appear highlighted to show your device without using it.

For pdfFiller’s FAQs

Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
pdfFiller is a web-based PDF editor. With pdfFiller, you can search for, edit, store and export PDF documents online without downloading and installing any software. pdfFiller also allows you to access and modify your PDF documents from any device anytime.
pdfFiller.com supports Internet Exporter (IE), Google Chrome, and Mozilla Firefox.
No downloads needed! pdfFiller.com is web-based application that does not need any additional software. pdfFiller.com supports any browser.
Yes. pdfFiller.com allows you to edit (modify, alter, correct, change, amend, revise, redact) any document with our various tools and features. You can rearrange, rotate, and delete, the pages. You can also, add text, images, and signatures to each page.
To annotate PDF documents, upload your document to pdfFiller, or choose the document your want to annotate in “My Forms” page and click “Fill” button. Open “Draw” tab and access the editor toolbar, you can have a variety of annotation features: highlight text, add comments, underline text and insert sticky notes or arrows.
To add lines in PDF documents, upload your PDF documents to pdfFiller, or choose the PDF you'd like to annotate in “My Forms” page and click “Fill” button on the right. You can find the “Line” button in “Tools” tab. Select the area or sentence you'd like to add lines by clicking and holding the button on the mouse to draw a line around. Release the mouse when you're done. You can change the size of the line using the editor toolbar.
Yes, you can insert multiple lines into PDF documents using pdfFiller. To insert lines into PDF documents, upload your PDF documents to pdfFiller, or choose the PDF you'd like to annotate in “My Forms” page and click “Fill” button on the right. You can find the “Line” button in “Tools” tab. Select the area or sentence you'd like to add lines by clicking and holding the button on the mouse to draw a line around. Release the mouse when you're done. You can change the size of the line using the editor toolbar.
To underline text in PDF forms, upload your PDF documents to pdfFiller, or choose the PDF you'd like to annotate in “My Forms” page and click “Fill” button on the right. You can find the “Line” button in “Tools” tab. Select the area or sentence you'd like to underline by clicking and holding the button on the mouse to draw a line around. Release the mouse when you're done. You can change the size of the line using the editor toolbar.
pdfFiller can help you draw a line to any PDF document online. To draw lines in PDF documents, upload your PDF documents to pdfFiller, or choose the PDF you'd like to annotate in “My Forms” page and click “Fill” button on the right. You can find the “Line” button in “Tools” tab. Select the area or sentence you'd like to draw lines by clicking and holding the button on the mouse to draw a line around. Release the mouse when you're done. You can change the size of the line using the editor toolbar.
To write on a document, click anywhere on the document and begin typing.
Yes. Just use “Enter” to create a line break. You can also paste large chunks of text and use Enter to restructure the lines.
To edit font settings, begin by clicking on the “Font” button. You can then change the font type, adjust the size and color. Furthermore, you can also, modify text in to bold, underline, and italics.

#1 usability according to G2

Try the PDF solution that respects your time.
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025