Zuletzt aktualisiert am
Dec 29, 2025
Optimize Image Size for Mobile Viewing Kostenlos
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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.
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.
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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 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.
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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
The UI is outstanding and very effortless. Very impressed.
My only issue was with advanced features. Would have liked to know ahead of time that they were additional fee. Everything looks included and don't like being told something cost money after the fact. Second, when telling me I had to upgrade to get additional feature, it should show the difference between what I am paying verses the new amount. I was on personal plan ($6) but to get the features I needed it was ($10). It said it was $10 for advanced plan but I didn't know if that meant $10 MORE than I was already paying. I had to open site in incognito mode, look at plans to figure it out... not fun.
Lastly, I was trying to send 2 separate PDFs as one doc. It took me a while to figure out where Merge was. I didn't understand why all the options under Actions were greyed out. That was very frustrating and should be improved.
2016-07-16
learning was difficult at first, your how to video's are too fast for a 74 year old to absorb, but hands on usage got me going in the end. I had to enter an enormous amount of text in my PDF form, but the ability to resize text boxes was a boon. Thanks, Bob Harrison
2017-03-17
It's great to be able to fill out any pdf online. It looks so much more professional. I find the site to be very intuitive and self-explanatory. I've been able to figure out everything I needed just by doing it. I wish the subscription wasn't so expensive though because I don't feel I can afford it. The free trial is a great introduction.
2019-06-28
I'm so happy I found this program. I do not have a printer at home and this has made my life so much happier when I have piles of documents to fill out.
2019-08-07
What do you like best?
I like how easy it is to create forms and to fill out PDF forms. I also like the mobile app.
What do you dislike?
It's a bit slow, and sometimes crashes, requiring you to start over
Recommendations to others considering the product:
Definitely get and use the mobile app
What problems are you solving with the product? What benefits have you realized?
It makes it very easy to fill in forms that clients send me.
I like how easy it is to create forms and to fill out PDF forms. I also like the mobile app.
What do you dislike?
It's a bit slow, and sometimes crashes, requiring you to start over
Recommendations to others considering the product:
Definitely get and use the mobile app
What problems are you solving with the product? What benefits have you realized?
It makes it very easy to fill in forms that clients send me.
2016-05-23
PDF Filler as tool for Securing PDF files
Very useful, convenient and very easy to use. A great tool for businesses.
I like PDF filler the most when I would like to encrypt and decrypt documents, merge PDF files, crop or rotate PDF pages.
I actually like PDF filler and there is nothing that I do not like in this software. It helped me big time with my PDF documents organization.
2020-01-08
Everything is working
I checked out their pdf software, it's truly great, I liked it and I was ready to buy a year subscription, but all these bad reviews on line about this company made me nervous. However I signed up and now I am pleased to work with it
2018-01-19
My document looked perfect when opening it with a browser after editing it, but there were some artifacts in the transparent background of the signatures when reading it on Adobe Reader (alpha channel problems, I believe). Maybe it was a problem on my end, I don't know.
2023-10-10
I only needed one form to send to my doctor to fill out for medical baseline allowance. Somehow I didn't end up in SDG&E site as their program is free.
2021-11-09
Optimize Image Size for Mobile Viewing
Enhance your website or app with our Optimize Image Size for Mobile Viewing feature. This tool helps ensure your images load quickly, making your mobile experience seamless and enjoyable.
Key Features
Resizes images to fit various mobile screen sizes
Compresses images without losing quality
Supports multiple image formats
Automatic optimization for new uploads
Use Cases and Benefits
Improves mobile page load speed for better user experience
Reduces data usage, which benefits users on limited plans
Enhances SEO rankings with faster loading times
Increases user engagement through visually appealing content
By optimizing image sizes, you solve the common problem of slow-loading pages. Users will appreciate the quick access to content, leading to increased satisfaction and retention. As a result, your site can see enhanced performance and higher conversion rates.
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.
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Why having a mobile optimized is important?
Visitors need to be able to read your web pages with ease, click links without zooming in, and navigate your site on a smaller screen. Without mobile optimization, users often struggle to read or navigate websites on mobile devices.
What size should photos be for mobile view?
The best image resolution for most smartphones is 640 by 320 pixels, although you should ideally maintain the aspect ratio of the original image or the output image will be distorted.
What does optimize for mobile mean?
Mobile optimization is the process of adjusting your website content to ensure that visitors that access the site from mobile devices have an experience customized to their device.
What does it mean to optimize image?
Image optimization refers to the process of creating and delivering high-quality images in the right format, dimension, and resolution for whatever device is accessing them, all while keeping the smallest possible file size.
What does mobile optimized mean?
What does mobile-optimization mean? Unlike the mobile-friendly approach to your website, a mobile-optimized website is designed for smaller screens and built using a mobile-first approach that will reformat itself for mobile users.
What is an example of image optimization?
Image optimization means making sure both Google and users can easily understand and view the images on a website. Examples include compressing images so they load faster and adding alt text so Google can better understand what the image is about.
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