Last updated on
May 25, 2026
Alter PDF 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
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
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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:
The forms look much more professional when filled out in this manner, rather than a hand written form. Especially since typewriters are out of date. Thank You
2015-05-28
The PDF filler provided an easy and efficient way to complete my PDF documents. It allowed me tailor the form to completely explain its intended purpose.
2016-02-16
Graphic arrows in the pdf are represented by the letter U. Can't move inserted text to new location. Circle is useless, odd shape, can't resize without border getting too thick and covering item to circle.
2017-01-30
I'm not a computer person and I have trouble figuring out how to do things here at pdffiller. I'm sure the shortcomings are mine and not your program's.
2019-04-30
I've been using PDFfiller regularly for over 2 years now, and it works wonderfully. I'm able to upload documents, add fillable lines, and get electronic signatures seamlessly. Customer service is also great - prompt and friendly in attending to any questions or issues. Makes running my business that much easier.
2022-05-05
i've been using this service for years
i've been using this service for years. I'm happy with all the new improvements. Especially the month to month service fee.This service is excellent!- Thank you!
2021-05-20
I was looking for a PDF fillable DS11 Form for passport renewal and found this product. It did everything I needed and more. I wish this had been around before I retired. Takes handwriting errors out of the game when submitting government forms.
2021-05-18
Easy to import edit- wished I had this a long time ago!
I was desperately trying to find a way to send my Doctor forms. Scanner/Printer was knocked out from the storm.
2020-07-23
PDF Filler is a great program to add to…
PDF Filler is a great program to add to any small business. It is very easy to use and has handled all my needs to this point.
2020-05-01
Alter Pdf: Your Solution for PDF Editing
With Alter Pdf, you can effortlessly modify and enhance your PDF documents to meet your specific needs. Take control over your PDFs and make changes with ease.
Key Features:
Edit text and images: Whether it's correcting a typo or replacing an image, Alter Pdf allows you to make precise edits to your PDFs.
Merge and split documents: Seamlessly combine multiple PDFs into one or split a large file into smaller, more manageable documents.
Add annotations and comments: Collaborate effectively by inserting comments, highlights, and sticky notes to provide feedback or share important information.
Adjust page layout: Rearrange, delete, or add new pages to your PDFs to create a customized and professional-looking document.
Convert to different file formats: Transform your PDFs into editable Word documents or image formats such as JPG or PNG.
Protect your PDFs: Safeguard your sensitive information by adding password protection or restricting access to specific users.
Potential Use Cases and Benefits:
Efficient document editing: Alter Pdf streamlines the editing process, saving you valuable time and effort.
Collaborative work: Enable effective collaboration by easily adding annotations and comments to share ideas and feedback with colleagues or clients.
Professional document customization: Customize your PDFs to match your brand's style and requirements, maintaining a consistent and polished appearance.
Improved document organization: Merge related PDFs or split large files into smaller sections for easier navigation and organization.
Secure document sharing: Protect your PDFs from unauthorized access or modifications, ensuring the confidentiality of your content.
With Alter Pdf's user-friendly interface and comprehensive set of features, you can confidently edit, manage, and enhance your PDF documents. Say goodbye to frustration and hello to seamless PDF editing!
How to Use the Alter PDF Feature in pdfFiller
The Alter PDF feature in pdfFiller allows you to make changes to your PDF documents easily. Follow these steps to use this feature:
01
Login to your pdfFiller account. If you don't have an account, you can sign up for free.
02
Once you're logged in, click on the 'My Forms' tab at the top of the page.
03
Select the PDF document you want to alter from your list of forms.
04
Click on the 'Alter PDF' button located on the right side of the page.
05
The Alter PDF editor will open, allowing you to make changes to your document.
06
Use the toolbar at the top of the editor to add text, images, or shapes to your PDF. You can also edit existing content or delete unwanted elements.
07
If you need to rearrange the pages of your document, simply drag and drop them into the desired order.
08
Once you're done making changes, click on the 'Done' button to save your alterations.
09
You can download the altered PDF to your computer or share it with others by clicking on the 'Save As' or 'Share' buttons respectively.
10
If you want to revert back to the original version of your PDF, you can click on the 'Revert to Original' button.
11
Congratulations! You have successfully used the Alter PDF feature in pdfFiller.
With the Alter PDF feature, you can easily modify your PDF documents without the need for any additional software. Start using this powerful tool today and experience the convenience it offers!
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
Is it possible to edit a PDF?
While you can't edit a PDF file directly in PDF format in Word, we'll use a workaround that lets you make edits and still have a PDF when you're done. In Word, head to File > Open and then navigate to the PDF file that you'd like to edit. Word will automatically convert the PDF into an editable Word document.
How do you convert a PDF to a fillable form?
Step 1: Load the PDF File. Open your pre-existing PDF form in PDF element, or you can choose to open an existing form template.
Step 2: Recognize Form Fields Automatically. ...
Step 3: Fill and Save the Form.
How can I edit a PDF on my iPhone?
Suggested clip
How to Edit PDF Text on iPhone — YouTubeYouTubeStart of suggested client of suggested clip
How to Edit PDF Text on iPhone — YouTube
How do I edit a document on my phone?
On your Android phone or tablet, open a document in the Google Docs app.
Tap Edit.
To select a word, double-tap it. Move the blue markers to select more text.
Start editing.
To undo or redo an action, click Undo or Redo.
How do I save an edited PDF?
To save the completed form, choose File > Save As and rename the file.
To remove extended Reader features, choose File > Save A Copy.
To allow Reader users to save the data they typed, choose File > Save As Other > Reader Extended PDF > Enable More Tools (Includes Form Fill-in & Save).
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