Use Letter 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
Note: Integration described on this webpage may temporarily not be available.
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Last updated on Aug 16, 2021

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:
It has worked fairly well so far. I would like to be able to change, or add to the saved names of the files that I make instead of the generic names PDFfiller gives them. If that is possible, I can't see how.
Holly Z
2015-04-22
This application is users friendly and easy to use. Great product. The only thing missing for my agency's purpose is the attachment part. If the attachment features is add to it, this would be awsome.
Nik
2015-11-06
The software is excellent - really easy to use. I wasn#t sure whether to pay for something I'll only use a few times a year but decided to do so simply to save time searching for free software that probably wouldn't be as good. One minor niggle: I paid on my debit card and it took me back to the website, whereupon I had to pay again to gain access - not sure if I have paid twice or not. Would have been five stars other than for that.
Ben R
2016-04-04
Works fine for my purposes (signing) Works fine for my purposes (signing). Similar to Adobe Acrobat. 30 day trial then $10/month if you dont cancel.
Douglas S
2019-07-10
Amazing product Amazing product, absolutely wonderful people to work with as well. Amazing integrity as a company. Been billed 2 times by auto renewal when we didn't require the product and they credited within hours instead of using it as a gotcha to make $$ like most other companies.
ADRIAN WRIGHT
2023-08-31
Very useful tool Useful app for managing all your pdf tasks. I always use this app to sign. Very recommended. It doesn't have many free features, you have to pay for the good ones.
Susana V.
2023-02-12
Excellent Product Makes nonstop-filling-out-documents projects go by quickly. Rare online product that not only works as intended, but includes most of the features you wouldn't expect it to have. The interface and options are also shockingly seamless. It's easy to print, save, share, download, etc pretty much any document from any screen.
bgblatt
2021-07-13
Excelent progtram I am a first time user and have found this to be an excellent program. I filled out a document with many different choices I'm very Pleased with the results
Don Chard
2021-03-19
Outstanding customer service So I apparently signed up for the 30 day trial, but with memory issues forgot as I only needed for one thing. However, 30 days later I got charged. Now, although it was fantastic and easy to use for that one thing a month ago, it’s not something I use a lot of, hence why I forgot. Anyway, after contacting the customer services dept through their email, they very quickly responded within 30 minutes and after hearing my story, gave a full refund. I’m sorry I don’t need to use the program as it was very easy to edit my PDF and convert etc, but I would highly recommend this company’s PDFFiller software.
Tony Lindsay
2021-02-19

Instructions and Help about Use Letter For Free

Use Letter: full-featured PDF editor

The Portable Document Format or PDF is a standard document format for business purposes, thanks to the availability. You can open them on from any device, and they'll be readable and writable the same way. You can open it on any computer or phone — it will appear exactly the same.

The next point is data security: PDF files are easy to encrypt, so it's risk-free to share any personal data with them from person to person. That’s why it is important to find a secure editor, especially when working online. Particular platforms offer opening history to track down people who read or completed the document.

pdfFiller is an online document creating and editing tool that allows you to create, edit, sign, and share PDF directly from your web browser tab. Thanks to the numerous integrations with the most popular CRM programs, you can upload an information from any system and continue where you left off. Send it to others by fax, email or via sharing link, and get a notification when someone opens and completes it.

Use editing tools to type in text, annotate and highlight. Add and edit visual content. Change a form’s page order. Add fillable fields and send documents to sign. Collaborate with others to fill out the document. Once a document is completed, download it to your device or save it to cloud.

Complete any document with pdfFiller in four steps:

01
Get started by uploading your document.
02
To edit the content of your document, click the 'Tools' tab and highlight, redact, or erase text in your text box.
03
Add input fields if you need any: pdfFiller supports text, checkboxes, radio buttons, dropdown lists etc.
04
When finished editing, click the 'Done' button and save or email your document.

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!

Video Review on How to Use Letter

#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