Unify Fax Format For Free

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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
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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:
PDFfiller is a great program and easy to use. When you need to sign a document and email...and don't want to have to print, sign, scan and email...this is the program for you. Works great for the real estate agent.
Tom G
2018-10-18
Over all really helpful, especially with me filling out awards and scholarships for grade 12. Only issue I had was when typing the text box wouldn't fit as nicely as I would have liked it to, so lines ran through the text and made it a bit harder to read.
Kristin
2019-05-01
I printed five copies of 47 pages that… I printed five copies of 47 pages that were pretty easy to print, collate, print from my printer overall my experience was that it is a pleasant experience.
Thomas Francis McTear
2022-08-17
I had a very complicated question pertaining to a credit card charge, (I didn't know which account within our company had incurred the charge, and therefore, couldn't track down a receipt) **** helped me reverse engineer the charge to find out where it came from. My company provides Customer Support for the Video Gaming industry, so I know the value of a positive CS experience. Way to Go, ****!
Kristi C
2022-01-25
What do you like best? Very user friendly and stores files on the site. What do you dislike? Not much I can say poorly about this product What problems are you solving with the product? What benefits have you realized? Editing pdfs for sales quotes, etc.
User in Transportation/Trucking/Railroad
2021-10-26
I immediately was connected to a support person via chat, and he walked me through what I need and was very professional and supportive. I truly had a great experience.
Lisa C
2021-10-20
What do you like best? Me gusta porque tiene funciones para fusionar, reordenar o añadir páginas. Tiene un costo asequible en comparación con otros programas similares. Me gusta también porque puede convertir archivos PDF en archivos rellenables de Word. Tiene un panel de administración intuitivo. What do you dislike? Lo único que no me gusta es que obligatorio pagar para probar la versión de prueba. Recommendations to others considering the product: Le sugiero contratar pdfFiller si desea contar con herramientas de edición PDF avanzadas. Tienen distintos precios basados en las capacidades de cada organización. What problems are you solving with the product? What benefits have you realized? En la empresa usamos pdfFiller para editar y compartir archivos PDF. Por lo general, manejamos muchos archivos de cotizaciones y ésta herramienta nos permite convertir fácilmente plantillas en archivos Word que rellenamos con los datos de los clientes, que nos ahorra mucho tiempo en la creación de documentos.
Guillermo Parra
2021-01-23
I had issues with billing and… I had issues with billing and subscription and the team handled it with top professionalism in a short while. This team is effective.
Jeremiah
2021-01-14
So far I have had no issues with this… So far I have had no issues with this software. It's been agreat help in allowing me to fill out documents without having print out and then scan in oreder to complete my work.
Vincent Williams
2020-07-22

Instructions and Help about Unify Fax Format For Free

Unify Fax Format: easy document editing

If you have ever had to fill out an application form or affidavit in really short terms, you already know that doing it online using PDF files is the fastest way. Filling such templates out is effortless, and you can mail it to another person for approval right away. If you have to make adjustment to the text, add image or more fillable fields, just open a PDF editing tool.

Using pdfFiller, add text, sheets, pictures, checkboxes, edit existing content or create new documents from scratch. Export your templates to preferred software solutions to continue where you left off. With pdfFiller, any document can be converted into Word, PowerPoint, sheet or image.

Sign documents digitally using e-signature, which you can create with your mouse or touchpad, or scan from a photograph. This functionality is available across all devices, and is currently verified in all states (under the E-Sign Act of 2000). Upload an existing digital signature from a computer, or use QR codes to verify documents.

Discover powerful editing features to make your documents look professional. Save documents to the cloud storage to access them across all your devices and secure them from unauthorized use.

Edit PDF files online. Make changes to your documents with a very user-friendly interface. Add photos or pictures, watermarks and checkmarks. Highlight or blackout the particular text

Fill out fillable forms. Select from the range of ready-made forms and pick the one you are looking for

Create documents from scratch. Add as many fillable fields as you want. Add and erase text.

Change the format. Convert PDF files to any document format including Word, Excel, Google Docs, Pages and more

Protect with password. Encrypt your files with two-factor authentication

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!

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
Open a new email message, type the fax number, followed by @efaxsend.com, into the To: field. Attach your fax document and type a message in the body of the email to use as your cover sheet. Hit Send. Your fax and cover letter will be delivered to your recipient's fax machine.
Click here to sign up to FAX. Open your Gmail account and click on the Compose button to start a new email. Enter the recipient's fax number followed by fax. Attach the document you wish to fax from Gmail.
Open a new email message, type the fax number, followed by @efaxsend.com, into the To: field. Attach your fax document and type a message in the body of the email to use as your cover sheet. Hit Send. Your fax and cover letter will be delivered to your recipient's fax machine.
All you need is a smartphone, email account and an internet connection to enjoy affordable or free faxing. Download Fax Burner's app from the app store and register on our website to start sending free faxes immediately. Just like that, you can turn your Android device or iPhone into a machine for free faxing.
There is no direct way to fax from a fax machine to an email address. Faxing to an email address is something that can only be done if the receiving party has an online fax service or fax machine that can receive the incoming fax and convert it to an email.
Create a new email message in Gmail, either within the app or the browser-based interface, by clicking on or tapping the Compose button. Enter the recipient's fax number (including area code) in the To field, followed by the domain of your fax provider.
Gmail Fax to Email It is as easy to send a fax via a Gmail account as it is to send an email. First, click on the Compose option in your email account. You simply enter the recipient's number and faxdomain.com, using the provided domain, as the fax number.
Open a new email message, type the fax number, followed by @efaxsend.com, into the To: field. Attach your fax document and type a message in the body of the email to use as your cover sheet. Hit Send. Your fax and cover letter will be delivered to your recipient's fax machine.

#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