Last updated on
May 25, 2026
Add Certificate For Free
Drop document here to upload
Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
0
Forms filled
0
Forms signed
0
Forms sent
Try these PDF tools
Edit PDF
Quickly edit and annotate PDFs online.
Start now
Sign
eSign documents from anywhere.
Start now
Request signatures
Send a document for eSignature.
Start now
Share
Instantly send PDFs for review and editing.
Start now
Merge
Combine multiple PDFs into one.
Start now
Rearrange
Rearrange pages in a PDF document.
Start now
Compress
Compress PDFs to reduce their size.
Start now
Convert
Convert PDFs into Word, Excel, JPG, or PPT files and vice versa.
Start now
Discover the simplicity of processing PDFs online
Upload your document in seconds
Fill out, edit, or eSign your PDF hassle-free
Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Every PDF tool you need to get documents done paper-free
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.
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.
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.
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.
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.
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:
This is a great tool well worth the money!
2014-05-23
very nice but would like to see copy paste
2016-03-03
It was helpful but I will not use it on a daily basis or even monthly.
2019-02-19
Great resource for creating forms for my company!
2019-07-20
very good
very good, intuitive, user friendly software.
2021-06-03
great app
great app. very inconvient
2021-04-24
Excellent tool for edit PDF files!
Excellent tool for edit PDF files!The best option for work online for me at this time.
2021-03-10
Awesome customer service. Great program, def keeper. **** ***** Richmond TX
2020-04-24
Extensive database of forms
the database of forms is very extensive. I always find what I need.
2025-06-10
Introducing the Add Certificate Feature
We are excited to present our new Add Certificate feature, designed to enhance your user experience and provide you with greater flexibility and convenience.
Key Features of Add Certificate:
Effortlessly upload and attach certification documents to your profile
Easily verify and showcase your qualifications and credentials
Securely store and manage all your certificates in one centralized location
Potential Use Cases and Benefits:
Job Seekers: Impress potential employers by highlighting your certifications and professional achievements. Stand out from the competition and increase your chances of being hired.
Freelancers and Contractors: Easily demonstrate your expertise and qualifications to clients, building trust and credibility in your services.
Organizations and HR Departments: Simplify the onboarding process by allowing candidates to directly upload their certificates during the application process. Streamline verification and ensure compliance.
Professionals and Experts: Build your reputation as an authority in your field by showcasing your certifications to peers and industry colleagues.
With our Add Certificate feature, you can say goodbye to the hassle of managing physical certificates or searching through countless digital files. It's time to take control of your professional credentials and make a strong impression in your career journey. Try it now!
How to Use the Add Certificate Feature in pdfFiller
The Add Certificate feature in pdfFiller allows you to easily add a digital certificate to your documents. Follow these steps to use this feature:
01
Open the document you want to add a certificate to in pdfFiller.
02
Click on the 'Add Certificate' button located in the toolbar at the top of the page.
03
A pop-up window will appear. Click on the 'Choose File' button to select the digital certificate file you want to add.
04
Once you have selected the certificate file, click on the 'Open' button.
05
The selected certificate will be added to your document. You can drag and drop it to the desired location on the page.
06
To resize the certificate, click on the edges and drag them inward or outward.
07
If you want to rotate the certificate, click on the green circle located at the top of the certificate and drag it in the desired direction.
08
To delete the certificate, click on it to select it and then press the 'Delete' key on your keyboard.
09
Once you have added the certificate and made any necessary adjustments, you can save the document by clicking on the 'Save' button in the toolbar.
That's it! You have successfully used the Add Certificate feature in pdfFiller. Enjoy adding digital certificates to your documents with ease!
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
How do I add a certificate to Chrome?
Go to chrome://settings. On the left, click Privacy and security. Click Security. Scroll to Advanced. Click Manage certificates. In the list, find the newly-added CAs.
How to add certificate to HTTP?
In the Websites and Domains section for the domain name you want to use, click SSL/TLS Certificates. Click Add SSL Certificate. Enter a Certificate name, complete the fields in the Settings section, and then click Request.... Home. Guides. How to an SSL Certificate.
Can I use a certificate with HTTP?
Using a certificate When you make an HTTPS request to a configured domain, Postman automatically sends the client certificate with the request. The certificate is sent using OpenSSL handling, and Postman doesn't change the certificate. Postman won't send the certificate if you make an HTTP request.
How do I add a certificate in Windows 10?
In order to import the certificate you need to access it from the Microsoft Management Console (MMC). Open the MMC (Start > Run > MMC). Go to File > Add / Remove Snap In. Double Click Certificates. Select Computer Account. Select Local Computer > Finish. Click OK to exit the Snap-In window.
What does add a certificate mean?
If an app or network that you want to use needs a certificate that you don't have, you can that certificate manually. Digital certificates identify computers, phones, and apps for security.
How do I Import a certificate into HTTPS?
Right-click Personal, point to All Tasks, and then select Import. On the Welcome to the Certificate Import Wizard page, select Next. On the File to Import page, select Browse, locate your certificate file, and then select Next.
#1 usability according to G2
Try the PDF solution that respects your time.