Securely Sign PDF Online for the Ease of Your Work

Some official documents need signatures by an authorised person for approval. It was a time-consuming task until the technology of digital signatures came into existence. We can sign on documents in 2 different ways. One digital signature is security encrypted by cryptography technology and the other is e-signature that is simply drawn on a page just like we use a pen. You just need to scroll your fingers for creating e signatures on different kinds of documents. PDF files are the most convenient formats to utilize for signing documents. In order to sign PDF online, you need some special tools. Generally, these tools are available free of cost. You just need to find the websites that are providing the facility of signing a PDF file online. For your convenience, we are mentioning a total number of five different reliable online PDF signature tools.

Now, we are going to elaborate on all these five different tools including the significant features.

1. SmallPDF

We need Small PDF tool for making different kinds of customizations in PDF documents. Both premium and free versions of this tool are available but a free version is enough to sign pdf documents online. When you open the website, it will display a couple of tools meant for conversion, editing, splitting come emerging and securing. In the sign and security section, you will be able to find the eSign option. Below is a list of some features that you will get in this tool.

  • Sign by yourself to add someone to request for signatures online.
  • After sending, you can track the progress of the assigned personnel.
  • A securely encrypted link through email will be sent to the signer.
  • When the signer finishes the task both the sender and receiver will get a copy.

sign pdf online smallpdf

2. DigiSigner

This tool is specifically used to sign pdf file online. Unlike other PDF editing tools, you will not get options for other features such as editing and conversion. Along with PDF file, you can also sign on DOC, XlS and JPG file formats. It is free to use and allows an unlimited number of documents to sign security. However, file management, signature storing and sending documents for signing options are available with their premium plan only. As a free user, you can drag and drop the file to open in your browser. Once it is open, you will be able to assess the following options:

  • Different options to choose between signature, text, date, initial and checkbox.
  • You can type, draw or upload a copy of signatures.
  • For typing, the tool allow you to choose between multiple fonts and colors.
  • After signing a document, you can download the copy or directly share it through email for social media platforms.

sign pdf online digisigner

3. LightPDF

This online PDF signature editor has a clean user interface and comprises multiple features. Either you can choose to add PDF signature online for free or download their application. For instant access, online tool is a better option. Choose a file that you want to convert and it will be opened in the next window. You will get one-touch to assess to every single page without scrolling. For signing a document, you will get three different options including:

  • Draw signature
  • Upload image
  • Upload certificate signature

The option of a certificate signature is only available in the desktop version of this tool. You can simply choose a color and draw the signature with the help of a touchpad or mouse. After creating sign, drag and resize them anywhere on your document.

sign pdf online lightpdf

4. PDF24 Tools

If you are looking for a hundred percent free online tool for editing PDF documents, this is the best option to choose from. All tools available here are accessible without any premium charges. In order to insert signature in pdf online, the tool allows you to choose a file from the hard disk or upload it through Dropbox and Google drive. There will be three options of signing a document including a draw with touchpad, upload an image of your signatures or use the camera to click an image. Along with making signatures, the tool also allows you to:

  • Add text anywhere in the document file.
  • Different styles and colors to add in the text.
  • Options to send in the email, upload to the cloud storage, print, fax, merge or protect with a password.

sign pdf online pdf24 tools

5. Online PDF Signer

This is another reliable tool to create signature online for PDF. In order to make electronic signatures, the tool allow you to drag and drop the file or upload it from cloud storage. Add text in stylish fonts as your signature, draw a sign or upload an image. Drawing a signature is a more secure option than typing. Just like you have uploaded the file from a hard disc location or cloud storage, the tool also allow you to download the edited file in the same locations. Here is a list of some of the features you need to check out:

  • Free access to all PDF
  • Document security with 256 bit SSL
  • Assess to image tools as a free user

For premium users, the facilities like batch processing, recent file history and OCR assess are also available. Free users can upload a maximum file size of 10 MB with 50 pages. For a premium user, the maximum file size is 50 MB along with 2000 pages.

sign pdf online onlinepdfsigner

PDFelement Offline e-Signer and Editor

If you don’t want to sign PDF online, choose the option of  PDFelement. This premium tool is specifically meant for professional use because of the feature-rich user interface. PDFelement is actually a complete suite comprising options like editing documents, signing, password securing and converting into various other file formats.


While choosing a tool to put signature on PDF online, it is advisable to check the security level. Sometimes, our documents contain sensitive information that is vulnerable to cybersecurity threats.