Blackout PDF Online 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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Discover the simplicity of processing PDFs online

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Upload your document in seconds
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Fill out, edit, or eSign your PDF hassle-free
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Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
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Every PDF tool you need to get documents
done paper-free

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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.
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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.
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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.
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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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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.
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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

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:
This is a pretty good tool to use for filling out, signing, sending, and working on high school scholarships! you can open .pdf files right on the program and fill them out and even sign them and email them to the recipient. The only downside is the cost, its kind of ridiculous in price.
Tyler
2015-04-10
I enjoy updating documents without creating a entirely new document. I wish there was shading an area after you erase to match the background of the document.
Theresa
2017-06-15
I would prefer that the fill in templates be free of charge. The one used is great and I would hope to find another one as such. Easy to use formatting and site.
Deborah B
2018-03-23
it is a real help to my business and personal life. i download form straight from the web, and I fill them out this a tremendous help and a real confidence builder.
Bruce
2018-06-11
It really is an easy to use application… It really is an easy to use application and i needed something like this and I didnt have much time so I know if I can use that fast then its a great app!
SARAH JONES
2020-03-11
PDFfiller Review Great and easy way to make sure your PDFs are signed, sealed, and delivered as quick as possible. As a contract administrator for my company, this makes signing PDFs easy, and allows it to be done in a timely manner. Easy to navigate, allows you to download your finished, signed PDF for storage. Takes a little bit of time to learn the advanced functions, and a variety of color coding features who make highlighting PDFs more efficient when needed/if multiple people are adding notes.
Verified Reviewer
2019-12-03
PDF Very excellent filler app. Nice that you can find form online and automatically fill it out. Doesn't let you use it very long before it tried to make me pay for it
Jeremy S.
2019-02-05
Clueless in North Carolina! I was clueless as to how to fill out the tax documents for my 1099 employees and your company walked me through it and I accomplished the task confidently.
Shaunta Franklin
2025-03-12
Had a fantastic experience with… Had a fantastic experience with PDFfiller with the refund I requested. I registered for a trial version and canceled the same day but they still charged me a month later. I brought that up to their attention and they promptly processed the refund. I thought they were going to give me the run around like many companies do but I was pleasantly surprised. Keep up the great customer service guys.
Jorge de Araujo
2025-01-14

How to black out PDF Online on Linux

Follow the step-by-step guide and manage PDF on Ubuntu like a pro.

01
Open your preferred browser and go to the pdfFiller website.
02
From your Dashboard, click the Add New button and upload a doc that you need to black out PDF Online on Linux.
03
Alternatively, place your cursor on the button for adding new documents and select another import option.
04
Your file will open automatically. Edit its content with the options from the toolbar at the top of the screen.
05
Move and delete pages or change their orientation.
06
Add fillable fields to make your sample interactive.
07
Recheck the sample. Make sure you’ve made all the wanted changes.
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Click Done to finish the editing process and return to the Dashboard.
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Combine files in the Documents folder.
10
Save your document in the desired format with the Save As option or send it out for signing. You get several options for sending your document.

Blackout PDF Online for Linux: Enhance Your Document Privacy

Blackout PDF Online on Linux offers a streamlined solution for users who need to redact sensitive information from their PDF documents. This tool ensures your data remains private while providing an efficient way to prepare files for sharing or storage.

Key Features

Easy-to-use interface for quick blanking of content
Support for various PDF formats and sizes
Ability to download and share redacted files seamlessly
Options to customize the blackout area
Secure handling of documents to protect your information

Potential Use Cases and Benefits

Preparing legal documents by removing confidential information
Redacting financial records before sharing with third parties
Editing personal data in resumes or portfolios
Protecting sensitive data in research papers
Ensuring privacy in correspondence before publishing online

With Blackout PDF Online on Linux, you can tackle the challenge of privacy with confidence. This tool allows you to quickly and securely remove sensitive information from your PDFs, so you can share them without worry. Whether you are a professional, a student, or anyone concerned about data security, this solution meets your needs effectively.

Get documents done
from anywhere

Create, edit, and share PDFs even on the go. The pdfFiller app equips you with every tool you need to manage documents on your mobile device. Try it now on iOS or Android!

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
Re: Redact PDFs Then right click on the highlighted section again and select Annotation Properties. Then click on the color selection to open the color picker window and choose black. Close the color picker window and select Apply in the Annotations Properties window.
Simply open the PDF in the Redact PDF tool, mark text or entire pages you want to black out, and once done click on “Redact All”. Xodo ensures the redacted content remains permanently removed, making it a reliable tool for sensitive data removal in PDFs.
Click Add or Edit annotations > Choose Add shapes in the upper-right corner > Select a darker color from the Change Color drop-down menu to fill the shape > Use the mouse to swipe and black out the text in the PDF.
To redact PDF text or images online, upload your PDF document using 's uploader. Choose the 'Blackout' button in the 'Tools' tab. You can drag the cursor to redact any text or image in your document. After redacting the content, you can click the 'Text' button in the 'Edit' tab and add text in your PDF.
Step # 3: Highlight the text you want to black out. Step # 4: Right-click on the highlighted text and select "Properties" from the dropdown menu. Step # 5: In the Properties window, click on the "Fill" tab. Step # 6: Choose the color you want to use to black out the text.

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