Alter Resolution For Free
Drop document here to upload
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.
0
Forms filled
0
Forms signed
0
Forms sent
Last updated on
Sep 21, 2025
Try these PDF tools
Edit PDF
Quickly edit and annotate PDFs online.
Start now
Sign
eSign documents from anywhere.
Start now
Request signatures
Send a document for eSignature.
Start now
Share
Instantly send PDFs for review and editing.
Start now
Merge
Combine multiple PDFs into one.
Start now
Rearrange
Rearrange pages in a PDF document.
Start now
Compress
Compress PDFs to reduce their size.
Start now
Convert
Convert PDFs into Word, Excel, JPG, or PPT files and vice versa.
Start now
Create from scratch
Start with a blank page.
Start now
Edit DOC
Edit Word documents.
Start now
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
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:
I've edited 4 documents with pdf filler which was fairly easy considering the editing I needed done was fairly simple. I'm a little disappointed that there is no on-demand training because I've only used some basic features & would like to learn alot more on all of the features that are available & how to use them
2017-07-13
Pretty easy to use but would like to have have help had to fig out a few things and so help menu or something would be great but it great for me business and plan to keep the service
2017-12-07
All the features available are really useful.
My Only Request is if possible get an offline editor.
Overall , The Best Available Online PDF Editor.
2018-08-29
The website said there will be no charge for 30 days but my card got charged 1 dollar. This is clear misleading attitude. I did not find half a star to give.
2019-10-25
Features & functionality
I use it a lot when responding to discovery requests
The variety of features & functionality for PDF's
Not easy to navigate website, site not visually appealing
2019-05-16
Awesome product!!
Fax and Documents
Its so easy to use! I like the fact that i can easily send faxes of the document that i created! I can now get rid of three other services i paid for and just use PDF FILLER!
I wish their was a line i could call to get tech support because I am sometimes in need of a really quick question. I cant find anyone to help!
2017-11-20
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 have used PDFfiller and it is a great time saver. By making any form to a can be filled. form online.. Its great to find a form that I need , but its not fillable, this fixs that... Their customer service is great, helped me the fist call..
2020-10-11
Chatted online to cancel and refund $96 that I was charged and I got a pretty friendly guy named Peter! He was sweet and fast! If I needed this particular application again, I would definitely reuse them!!!
2020-05-03
How to Use the Alter Resolution Feature in pdfFiller
If you need to adjust the resolution of a document, pdfFiller has an easy-to-use feature called Alter Resolution.
Follow these steps to use this feature:
01
Open your document in pdfFiller and click on the "Edit" button.
02
Click on "Enhance Document."
03
Here, you will see the option "Alter Resolution." Click on the button next to it.
04
A pop-up window will appear. Here, you can select the resolution you want to use. The higher the value, the more detail will be present in the document.
05
When you've chosen your desired resolution, click "Apply."
That's it! Your document's resolution has been altered. You can now save the document or continue making any other necessary changes.
pdfFiller's Alter Resolution feature is an easy way to improve the quality of your documents. With just a few clicks, you can ensure that your document is clear and legible. If you ever need any more assistance, pdfFiller's customer support team is always happy to help!
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
How do I change the resolution of something?
0:04 0:50 How to Change a Picture's Resolution - YouTube YouTube Start of suggested clip End of suggested clip Open up your image by going into file and then open next go into image. And then image size changeMoreOpen up your image by going into file and then open next go into image. And then image size change the resolution by typing in the appropriate.
Does resolution affect blurriness?
A few things to keep in mind regarding resolutions: High resolution is around 300 pixels per inch (ppi) – good print quality. A low resolution photo may look great on screen, but look blurry when printed.
What does change resolution mean ps4?
0:12 2:17 How to: Change Resolution On PS4 - YouTube YouTube Start of suggested clip End of suggested clip Choose settings sound and screen then video output settings depending on the TV type you have thereMoreChoose settings sound and screen then video output settings depending on the TV type you have there are three to four available. Options as you can see on the screen right now now the resolutions.
Does resolution improve quality?
Higher resolutions mean that there more pixels per inch (PPI), resulting in more pixel information and creating a high-quality, crisp image.
Does resolution mean clarity?
In practical terms, resolution describes the sharpness, or clarity, of an image or picture. It is expressed in terms of the number of pixels that can be displayed both horizontally and vertically. Resolution is an important factor to measure the visual quality of digital images, photos and videos.
What is the meaning of resolution '?
Britannica Dictionary definition of RESOLUTION. 1. a [noncount] : the act of finding an answer or solution to a conflict, problem, etc. : the act of resolving something.
How do I change resolution settings?
View display settings in Windows Select Start > Settings > System > Display. If you want to change the size of your text and apps, choose an option from the drop-down menu next to Scale. ... To change your screen resolution, use the drop-down menu next to Display resolution.
Can resolution be changed?
Change the screen resolution Stay in, or open, Display settings. Scroll to Scale and layout. Find Display resolution, and then choose an option.
What resolution setting is best?
Often referred to as “full HD,” 1080 (1920 x 1080 pixels) has become the industry standard for a crisp HD digital video that doesn't break your storage space. This is also a common screen resolution for smartphones. The next steps up are QHD (2560 x 1440 pixels) or 2K resolution (2048 x 1080 pixels).
What does change resolution mean?
When you change the resolution of an image, you are saying how many pixels you want to live in each inch of the image. For example, an image that has a resolution of 600 ppi will contain 600 pixels within each in of the image.
Video Review on How to Alter Resolution
#1 usability according to G2
Try the PDF solution that respects your time.