Convert PDF to STC Online in Seconds 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:
its been really difficult for me to use this progrsm but it does work once i get the hang of it. i think it needs to have a few more features that it might actually have i just cant find how to do it
Mizmadnez
2018-05-20
I have yet to use the on-line features. Still deciding if I want HIPPA files out there. I don't know where your servers are located, but if they are outside of the US then I'm concerned about where and what the privacy laws of the "domain" country are. I ran into this issue years ago setting up some legal files. All servers were required to be located within the US.
Lawrence B
2019-04-17
This has to be the easiest app. on the market. I love the upload from the web, or my pc. I have even used the e-mail. The Templet feature for often used form is great and a time saver. I have already told 3 friends who are also using your service now.
Annette R
2019-09-30
What do you like best?
I can format any of the documents I need signed into pdffiller. I really like that I can see if someone has opened a document without completing it so I know to follow up with them to see if I can answer questions. I work for a virtual company so this service has been very beneficial to us (and makes me look good for finding it!)
What do you dislike?
I wish I could send more than one document in one email to a particular contact.
What problems are you solving with the product? What benefits have you realized?
I work in HR so I use it for onboarding: signing new contracts, responsibility agreements, etc. It makes it easier to track everyone's progress and create a digital contractor file
Kristie M. Holmes
2017-05-30
after years of hunting I finally found… after years of hunting I finally found a pdf editor that is powerful, easy to use and reasonably priced.
Marty Demarest
2019-12-26
PDF Filler is great Love this idea and functionality. Easy to use, cheap ;) and great for filling out all those touchy PDFs. I don't think there's anything particularly wrong with this software. I love it.
laura s.
2018-10-15
At first I had difficulty understanding how to use PDF Filler maybe because the way the dashboard was set up was that there were too many icons that made it seem too overwhelming.
Lisha F
2022-02-08
Great Customer Service I received excellent customer service from Mark today. My concern was addressed promptly and my issue completely resolved. Thank you for great service!
Cheryl
2020-10-01
All I needed was to fill in 5 W2 2024 forms for church staff, and pdfiller was easy to use. Since I won't be needing it for anything else, I don't want the charge on my card. I will remember pdfiller should a future need arise.
Terry N
2025-02-10

Instructions and Help about Convert PDF to STC Online in Seconds For Free

Convert PDF to STC: simplify online document editing with pdfFiller

Document editing has become a routine procedure for those familiar to business paperwork. It is easy to edit almost every PDF or Word file, thanks to numerous software and tools that allow applying changes to documents. The most common option is to use desktop software, but they often take up a lot of space on a computer and affect its performance drastically. There are lots of online document editing services, which work better on older devices and faster to work with.

But now there is a right service to start editing PDF files and much more online.

Using pdfFiller, you can store, edit, produce and send PDFs efficiently. It supports not just PDF documents but other formats, i.e., Word, PNG and JPG images, PowerPoint and more. With pdfFiller's document creation tool, make a fillable document yourself, or upload an existing one to edit. pdfFiller works across all devices with active web connection.

pdfFiller provides you with a multi-purpose text editor, which simplifies the process online for all users, regardless of their computer skills. There is a great variety of tools that allows you to edit the document's content and its layout, to make it appear professional. On the other hand, the pdfFiller editing tool lets you edit pages, place fillable fields anywhere on a document, attach images, modify text formatting, and so on.

Create a document on your own or upload a form using the next methods:

01
Drag and drop a document from your device.
02
Search for the form you need from the catalog.
03
Open the Enter URL tab and insert the hyperlink to your sample.
04
Upload a document from your cloud storage (Google Drive, Box, Dropbox, One Drive and others).
05
Browse the Legal library.

As soon as uploaded, all your documents are easily reachable from your My Docs folder. All your docs are stored securely on a remote server and protected with world-class encryption. Your data is accessible across all your devices immediately, and you are in control of who will read or work with your templates. Save time by quickly managing documents online using just your web browser.

Convert PDF to STC Feature

Transform your PDF files into STC format effortlessly. Our Convert PDF to STC feature simplifies the process, allowing you to easily manage and edit your documents. With this feature, you save time and enhance your workflow.

Key Features

Easy, user-friendly interface
Fast conversion process
High accuracy in text and layout retention
Support for multiple PDF files simultaneously
Secure processing of your documents

Potential Use Cases and Benefits

Prepare documents for audio conversion and accessibility
Digitize printed textbooks for educational purposes
Create audio content for visually impaired individuals
Optimize documents for mobile use
Streamline your workflow in document management

This feature effectively addresses your needs by converting static PDF files into a dynamic STC format. This transformation allows for easier editing and enhances accessibility, ensuring that everyone can engage with your content. You can focus on delivering quality work without worrying about file format limitations.

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!

How to Use the Convert PDF to STC Feature

The Convert PDF to STC feature in pdfFiller allows you to easily convert your PDF documents into STC format. Follow these simple steps to use this feature:

01
Login to your pdfFiller account or create a new account if you don't have one already.
02
Once you are logged in, click on the 'Convert PDF to STC' option in the main menu.
03
Upload the PDF document that you want to convert. You can either drag and drop the file or click on the 'Upload' button to select the file from your computer.
04
After the PDF is uploaded, pdfFiller will automatically convert it to STC format. This may take a few moments depending on the size of the PDF.
05
Once the conversion is complete, you will be able to download the converted STC file. Click on the 'Download' button to save the file to your computer.
06
Congratulations! You have successfully converted your PDF to STC format using pdfFiller's Convert PDF to STC feature.

Using the Convert PDF to STC feature in pdfFiller is quick and easy. Start converting your PDF documents to STC format today!

#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