Struggling with OnlineFaxes or Sertifi? pdfFiller is a highly-rated alternative.
Over 64 million users choose pdfFiller for its award-winning ease of use, comprehensive functionality, and unbeatable price.
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Experience effortless PDF management with the best alternative to OnlineFaxes & Sertifi

Create and edit PDFs
Instantly customize your PDFs any way you want, or start fresh with a new document.

Fill out PDF forms
Stop spending hours doing forms by hand. Complete your tax reporting and other paperwork fast and error-free.

Build fillable documents
Add fillable fields to your PDFs and share your forms with ease to collect accurate data.

Save reusable templates
Reclaim working hours by generating new documents with reusable pre-made templates.

Get eSignatures done
Forget about printing and mailing documents for signature. Sign your PDFs or request signatures in a few clicks.

Convert files
Say goodbye to unreliable third-party file converters. Save your files in various formats right in pdfFiller.

Organize your PDFs
Merge, split, and rearrange the pages of your PDFs in any order.

Securely store documents
Keep all your documents in one place without exposing your sensitive data.
Customer trust proven by figures
pdfFiller is proud of its massive user base and is committed to delivering the greatest possible experience and value to each customer.
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75K
new subscribers per month
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Switch from OnlineFaxes & Sertifi to pdfFiller in 4 simple steps
1
Sign up for free using your email, Google, or Facebook account.
2
Upload a PDF from your device or cloud storage, check the online library for the form you need, or create a document from scratch.
3
Edit, annotate, redact, or eSign your PDF online in seconds.
4
Share your document, download it in your preferred format, or save it as a template.
Get started withan all‑in‑one PDF software
Save up to 40 hours per month with paper-free processes
Make quick changes to your PDFs even while on the go
Streamline approvals, teamwork, and document sharing

The leading OnlineFaxes & Sertifi alternative for SMBs and enterprises
Break free from paperwork setbacks with digital workflows.
Advanced eSignatures
Enterprise-ready features
Integrations and API
Organizations & Admin Dashboard
Find out why users choose pdfFiller over OnlineFaxes and Sertifi
Read more or give pdfFiller a try to experience the benefits for yourself
9.1
Ease of Use
9.0
Quality of Support
9.2
Ease of Setup
Pdf Editor Online: Try Risk Free
This chart represents a partial list of features available in pdfFiller, OnlineFaxes, Sertifi
OnlineFaxes
Sertifi
No Downloads
Search Form Online
New Form and Document Creator
Host Fillable Forms
Edit PDF
Fill Online
Sign Online
PDF Converter
Annotate PDF
Search Text in PDF
Add Watermark, Images and Video
Collaborate and Versions
Encryption and Security
Two-Factor Authentication
Fax Online
Track Sending Documents
Free Mobile App
API
Customize Your Files By using a pdfFiller Option At A Lower Price
A lot of document management services feature on-line PDF editors as a way to enable customers to introduce instant changes and save time. It’s very convenient, as you can easily modify the doc, amend content and modify size and format format and size and rapidly forward it to get a review or signing. Considering OnlineFaxes vs Sertifi we are able to honestly admit that they may hardly compete with pdfFiller which offers a wide range of editing tools.
Let’s research why pdfFiller is OnlineFaxes vs Sertifi finest option:
It may help change the static file format of a PDF by adding with the help of textboxes for data installation.
If you have to change some terms with other people you will discover a search engine that will help find the required sentences rapidly.
You may copy-paste content partially or type it in.
The PDF toolbar also allows you to add images, e-signatures, as well as other changes.
You can add a text message and time any place in the form.
Checkmarks can be easily added and the editor allows you to leave notes everywhere in the document, not specifically in margins.
Your entire actions can be undone or redone in case the outcome doesn’t satisfy you.
pdfFiller is a worthy replacement for OnlineFaxes vs Sertifi, in view of the multiple pros users, can get besides the PDF editor tool. Notably, Android and iOS users can make use of pdfFiller through a totally free app. Contrary to the options, it enables sharing files even via fax, еext messaging and also by mail. The file protection could be guaranteed by two-factor authentication as well as a four-digit PIN. The service allows adding ofvideos and pictures, and watermarks.
One of theimportant distinctions which make the system appealing to a huge number of users, is its cost. It’s relatively lower, compared to other systems. Besides, it can vary depending on the offer you opt for, be it for individuals or organizations.
pdfFiller: The OnlineFaxes & Sertifi alternative that leaves no box unchecked
Create & edit PDFs online
Fill out forms
Collect data & signatures
Store documents in the cloud