Lock 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:
This program is very useful for filling out tax forms. Although my returns are not complicated, getting the credit that I am due for foreign taxes is too much for tax programs like HR Block and too much for most accountants. I have returned to my old habit of doing my returns manually. This PDFfiller program makes it feasible.
2018-04-10
Just an amazing product and service. It has made managing and editing/updating PDFs a task i am no longer dreading to do. It has saved me SO MUCH TIME and headache working with PDFs.
2019-01-25
Awesome experience with Alice
Awesome experience with Alice. She guided me through step by step. Made it simple for me. Very knowledgeable, experienced, and courteous. 10+ out of 10 rating.
2019-02-28
Very Helpful Product
This product has been very helpful when a document only comes in PDF Form and I need to fill it out on my computer.
The layout is a bit confusing and the website is not easy to use. Sometimes the text of documents gets squished together.
2018-06-12
Slow to pick up Begginer, end result?, Exactly what i was needing in an editing app
editing was a little complicating at first, once i self educated thouigh, i was OFF!!!!! Great program, Thank You
2023-08-02
So far it has been the go-too Application for filling out and converting PDF documents to word. It has helped me greatly in preparing forms for my job.
2023-03-01
The product solved my problem and I got…
The product solved my problem and I got a refund without any difficulties when I forgot to cancel my monthly subscription.
2022-02-23
I used you to arrange a document and I…
I used you to arrange a document and I must point out that it was easy to operate and arrange. Very convenient to use and the customer service is pleasant and courteous.
2020-10-17
What do you like best?
It is a seemless application to use and very ease to meet small business demands.
What do you dislike?
nothing, useful for all my needs and tasks
Recommendations to others considering the product:
Great software and easy to use.
What problems are you solving with the product? What benefits have you realized?
easy to fill out and send back documents, works as advertised.
2020-08-14
Lock PDF on Ubuntu: Secure Your Documents with Ease
Are you looking to protect your PDF files on Ubuntu? With the Lock PDF feature, you can easily keep your documents safe from unauthorized access. This tool provides a simple way to apply password protection to your important files, ensuring only those with the password can view or edit them.
Key Features of Lock PDF on Ubuntu
Add password protection to your PDF files
Customize permissions for editing and printing
User-friendly interface for quick setup
Compatible with various PDF readers
Maintain document integrity while securing access
Use Cases and Benefits
Protect sensitive information, such as financial records or personal data
Share documents securely with colleagues or clients
Comply with data protection regulations by securing files
Prevent unauthorized editing or copying of your work
Safeguard your intellectual property from theft
By using Lock PDF on Ubuntu, you address the common problem of data security. Whether you work in an office, operate a business, or simply want to protect personal documents, this feature ensures your files remain confidential. You maintain control over who can access and modify your information, giving you peace of mind.
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