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How to Write on a PDF Document

by Hung Nguyen

You can also read this article in Portuguese and Spanish.

A free and simple editing tool for you to write on PDFs, as well as adding images and drawings. No registration needed.

The PDF format is great for sharing, as the content of such documents cannot be edited. However, there may be times when you need to add annotations or text onto your files, which can be tricky.

Though this is not a task available with ordinary free PDF readers, such as Adobe Reader - Smallpdf has one of the most popular online PDF typewriter tool to help you out.

How to Write on a PDF for Free Online

  1. Access the Smallpdf PDF Editor.

  2. Upload your file > Click 'Add Text' and simply start writing.

  3. Adjust the size, font, and color of your text via the top menu far.

  4. Optional: Add images, shapes and to draw on PDFs, as you need.

  5. After writing, click 'Apply' to save the changes and download the file.

This online tool is free to use, twice an hour. Thus, writing on a PDF should never be an issue now that you know of our platform. :)

how to write on a pdf

How to write on a PDF with the Smallpdf Edit tool

How to write on a PDF - by converting it back to its original format


PDF files are usually exported from another format, such as Word, PPT, Excel. As such, you can always convert these files back their original form so that you can write and edit freely in their native formats. If this is your preferred method to write on a PDF, take advantage of our all-in-one converter to handle the processing. Yes, similar to the edit tool - it’s also free to use.

  1. Access the PDF Converter.

  2. Upload your file and select the output file, i.e., Word, PPT, and Excel.

  3. Give Smallpdf a few seconds to save the file in the desired format.

  4. Load it onto your computer or Dropbox and Google Drive.

PDF Converter Example - PDF-Word

How to write on a PDF - by reverting it back to its original, editable format.

This method may be a bit more lengthy, but it gives you a broader range of tools to edit text, adjust font size, and add or remove text or images from your written documents.

With the myriad of document types being saved in PDF, such as PDF forms, contracts, and written school assignments, you should opt for the option that best serves your needs.

Afterward, you can also use this tool to convert it back to PDF, if needed.

Smallpdf Is Free?


Not only are we free, but we’ve also got the most comprehensive set of converters for you to write on PDFs, edit, sign, merge and convert PDFs. Free downloads are available for every.single.tool. Hey, we aim to make the topic of PDF extremely easy, after all.

Check out all 20 tools via our homepage.

Which Operating System Do I Use?


Smallpdf operates online, via any operating system and internet browser, for your convenience. If you wish to write on your PDF files offline, we are also working on adding this function to our free offline PDF reader, which will be available in the coming months. 😇

Can I Use Smallpdf For Work?


Of course!

We now have north of 20 million monthly users. Furthermore, after counting, over 100,000 organizations, including small businesses and large enterprises adopt our converters and editors to aid their daily work with the PDF format.

All files are deleted after one hour of processing, and we adopt secure SSL encryption to ensure the highest level of security when it comes to handling your documents. We guarantee that they are safe in our hands.

Hung Nguyen
Hung Nguyen
Content Marketing Manager