Flatten PDF on Linux 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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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:
What do you like best?
The ability to create a document, upload a document, search and find document files, edit, and then fax or email to anyone anywhere right from the convenience of your laptop anywhere in the world. All documents created are saved in your account for return access, and activities (fax, email and receipts for delivery) are also recorded and saved.
What do you dislike?
So far I have not discovered something I do not like. I have uploaded, created, searched for online documents to use, and both faxed and e-mailed documents without an issue.
What problems are you solving with the product? What benefits have you realized?
Can work and send from home, work, on the road. No need to hunt for a fax service / company; no need to leave where I am at to go fax a document; can work and send documents in the middle of the night right from home or while on the road; have been able to search and find online documents and upload into account for editing use; easy to share documents via PDFiller; you can send documents to anyone with an e-mail address - your recipient does not need to leave their laptop either!
The ability to create a document, upload a document, search and find document files, edit, and then fax or email to anyone anywhere right from the convenience of your laptop anywhere in the world. All documents created are saved in your account for return access, and activities (fax, email and receipts for delivery) are also recorded and saved.
What do you dislike?
So far I have not discovered something I do not like. I have uploaded, created, searched for online documents to use, and both faxed and e-mailed documents without an issue.
What problems are you solving with the product? What benefits have you realized?
Can work and send from home, work, on the road. No need to hunt for a fax service / company; no need to leave where I am at to go fax a document; can work and send documents in the middle of the night right from home or while on the road; have been able to search and find online documents and upload into account for editing use; easy to share documents via PDFiller; you can send documents to anyone with an e-mail address - your recipient does not need to leave their laptop either!
2019-09-01
Are you one that needs to easily sign documents and return by email? this is the software to use
None
I really liked how the software navigates you through the document so quickly so you don't forget to fill in any information, and it tells you if the recipient receives it.
It's supposed to have just about any document you would need or want but I couldn't find any of the ones I needed. It was frustrating trying to look for a document and not be able to figure out where the list was.
2017-11-15
Very supportive i converting documents ad easy to use i like it but if possible will you produce android and i phone app so it will be easy to use it on app.
2024-08-10
I had an unsuspicious activity on my…
I had an unsuspicious activity on my card. Didn’t knew the company at first, contacted them thru email and got the best support ever and my money back :)
2023-08-05
THIS THING IS A DREAM (although I did have some kind of issue opening up a file.) I used the MERGE function and it merged some files I didn't need. That was weird. So I'm editing one page at a time instead. That seems to be working.
2022-04-01
I would change the interface
I would change the interface, to make it more friendly, the location of the buttons, and things like that, but the tool is very powerful and honestly very very helpful! Thanks a lot!
2022-01-10
Convenience for all!
It makes all our documents look professional. Imagine the combined functionalities of Word and Adobe put together into one software. This is what you get
Uploading and downloading larger documents might take a while sometimes.
What do you think about this review?
2021-05-30
So far so good
So far so good, I use Adobe Acrobat Pro DC at home and at work, I am still on my first day of my 30 day trial of PDFFILLER but I'm impressed so far. I particularly like the library and search features. More to come as my experience develops.
2020-10-16
A little difficult to manuever around but it does what I need very well! Not sure about email feature...recipients did not receive but I did when I cc'd myself.
2020-09-04
Flatten PDF on Linux
Flattening PDFs on Linux offers you a simple way to enhance the accessibility and usability of your documents. By merging various layers into a single, unified image, you can ensure that your content remains intact and consistent across different platforms and devices.
Key Features
Merge annotations, forms, and layers into a single layer
Ensure compatibility with various PDF readers
Preserve the original formatting and appearance
Easily convert interactive features to static content
Support for batch processing of multiple files
Use Cases and Benefits
Prepare documents for printing without losing quality
Share PDFs with collaborators without the risk of changes
Simplify the presentation of complex documents
Create final versions of forms for submission
Enhance the security of sensitive information by removing editable fields
If you often struggle with PDF documents that change unexpectedly when shared, the Flatten PDF feature is your solution. It takes away the worry of accidental edits, consolidates your work into a clean and professional format, and saves you time in the long run. Embrace the ease and reliability of flattened PDFs on Linux, and experience a smoother workflow today.
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 compress a PDF in Linux?
Once installed, you can use this command to compress PDF file sizes: gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 - dPDFSETTINGS=/screen -dNOPAUSE -dQUIET -dBATCH - sOutputFile=output.pdf input.pdf.
How do I reduce file size in Linux?
There are several methods for truncating files using the shell redirection operator. Use Colon (:) as Null Command. ... Use the cat Command. ... Redirect Using echo. ... Use Redirection Only. ... Truncate with sudo. ... Remove File Contents Entirely. ... Truncate File to Specific Size. ... Increase File Size.
How do I reduce the maximum size of a PDF?
7 easy & advanced ways to reduce PDF size Use “Save As” instead of “Save.” Export PDF files with a dedicated PDF editor. Use a PDF compressor to reduce file size. Audit the space usage of your PDF document. Use your PDF editor's advanced optimization settings. Remove unwanted objects in your PDF document.
How do I compress a PDF in Libreoffice?
2:04 4:36 How to reduce size of Pdf file using Libreoffice in Windows ... - YouTube YouTube Start of suggested clip End of suggested clip That is 728 kb so open this pdf file using libreoffice go to libreoffice. And click on open file andMoreThat is 728 kb so open this pdf file using libreoffice go to libreoffice. And click on open file and select the pdf file. And now click on file.
What tool reduces PDF size in Linux?
Using the qpdf Command qpdf is another useful tool for optimizing PDF file sizes on Linux. It provides advanced optimization or compression options to further reduce the size of PDF files.
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