Sharpen PDF on Ubuntu 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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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 find it so much easier to edit documents, and save for later. Being able to share and easily find them. As well as changing page lay outs for presentations too.
2018-09-09
I appreciate the ease of downloading a PDF and being able to fill it in. For me, it is worth the money, even if I don't use it very often, simply because I now have the completed form saved, and easy to edit, as needed.
2019-08-13
What do you like best?
Easy to use and has a wide variety of tools. Makes it easy to go paperless. Great price for the number of features it offers. Highly recommend.
What do you dislike?
More mobile compatibility for when I am on the go.
Recommendations to others considering the product:
I highly recommend. It is well worth the price.
What problems are you solving with the product? What benefits have you realized?
Added the ability to have forms sent and signed the same day when working with partners out of state. Stores my forms in one location making them easy to locate.
Easy to use and has a wide variety of tools. Makes it easy to go paperless. Great price for the number of features it offers. Highly recommend.
What do you dislike?
More mobile compatibility for when I am on the go.
Recommendations to others considering the product:
I highly recommend. It is well worth the price.
What problems are you solving with the product? What benefits have you realized?
Added the ability to have forms sent and signed the same day when working with partners out of state. Stores my forms in one location making them easy to locate.
2017-12-07
What do you like best?
Navigation is simple, editing works well and have never had any issues.
What do you dislike?
I really have not found anything that does not suit my needs.
What problems is the product solving and how is that benefiting you?
To edit design documents quickly by making quick changes. It also helps in editing quotes to clients.
2022-11-01
Kara helped me solve a mystery…
Kara helped me to figure out a tricky issue that had to do with 'filling' a pdf. Kara figured out that it was a problem with my Chrome browser, so we switched browsers and it worked. Thanks.
2022-05-09
What do you like best?
Redacting of documents and contracts, signing contracts
What do you dislike?
I haven't found anything to dislike. There is nothing missing for my use.
Recommendations to others considering the product:
Quick and easy
What problems are you solving with the product? What benefits have you realized?
Redacting of documents is quick and easy. Benefit is that it eliminates the need to print, sign and scan.
2022-02-08
I just keep working towards being able…
I just keep working towards being able to afford this amazing tool. I am wondering if their is a discount when an Australian Charity or Not for Profit is utilising this Application.
2020-10-27
Great PDF program for mac users
I absolutely love pdffiller! I just wish it was either cheaper per month or maybe could be bought for only one or two months when needed.
2020-10-07
I had a problem with PDFfiller and sent…
I had a problem with PDFfiller and sent a mail to support. They replied within an hour or so, really excellent service. I live in South Africa where government support is poor at best. I downloaded the form, filled it in online and printed it without the slightest hitch - it just works!Roland, Johannesburg.
2020-08-18
Sharpen PDF on Ubuntu
Sharpen PDF on Ubuntu is a reliable tool designed to enhance the clarity and quality of your PDF documents. Whether you work with scanned documents, PDFs containing images, or text-heavy files, this feature helps you achieve a professional finish with ease.
Key Features
Enhances text and image clarity in PDF files
Supports a variety of PDF formats and layouts
User-friendly interface for easy navigation
Batch processing to save time on multiple files
Compatible with all Ubuntu versions
Potential Use Cases and Benefits
Improve the readability of scanned documents for students and educators
Enhance document presentations for businesses and professionals
Prepare documents for printing with sharp text and images
Restore old documents and improve their quality for archiving
Share polished PDFs for client reports or portfolios
With Sharpen PDF on Ubuntu, you can solve the common issues of blurry or unclear PDF files. This tool allows you to create sharp, clear, and professional-looking documents effortlessly. Simplifying your workflow, it saves your time while ensuring your documents reflect the quality you strive for.
#1 usability according to G2
Try the PDF solution that respects your time.