Lock PDF and Add Watermark to PDF for Lenovo Gratuito

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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

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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
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025

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
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:
The service works well and is very convenient, however I was disappointed by the way I was able to complete an entire form but was not advised it was not free until the form was completed after spending a couple hours working on it. Since this is a pay service, the consumer should be advised immediately upon accessing any forms on an internet search. In order to preserve my work, I had no choice but to subscribe. Perhaps you should market a new service that charges by the document. I would have gladly paid for that up front. The service itself works very well.
Michael G
2015-07-02
I like the ease of use. I do think the help system needs and upgrade. Should have a searchable index. It is hard to find topics. I am an experienced software guy and just want to find out how to do thinks.
david o
2017-06-04
What do you like best?
It is a simple process to upload, fill out typed forms, e-sign, and save/print externally.
What do you dislike?
I have not been able to drag and drop from outlook '07. The additional step of saving a document locally and then uploading seems unnecessary.
Recommendations to others considering the product:
This is a very intuitive product that can one can pick up and become proficient with little training or experience.
What problems are you solving with the product? What benefits have you realized?
I have been able to keep from printing countless documents that only need a quick signature only to be scanned in again and emailed out. There is a huge time saving as well being able to cut out those middle steps.
User in Entertainment
2019-02-25
What do you like best?
This has saved me some much time on filling out all my documents & storing them as well !!! I just love how you can erase information & add other items to it as well!
What do you dislike?
Sometimes it does have a hard time reading some of the documents & uploading them correctly . I then have to restart the program a couple of times before it actually is able to load the document .
What problems are you solving with the product? What benefits have you realized?
With this software i am able to edit all my PDF'S add & delete any information that needs to be revised & have an amazing clean, clear & legible PDF's for my clients to view!!!
Administrator in Architecture & Planning
2019-08-15
Best customer service ever The service is very helpful for filling out lots of things. In addition, if you forget that it's a subscription service, they have the ABSOLUTE BEST CUSTOMER SERVICE! Highly amazed, 12/10
Katherine Almquist
2019-12-22
FAST AND CONVENIENT AMAZING I FOUND THIS TODAY!! JUST IN TIME FOR GETTING ALL MY DOCUMENTS DONE, WITH THIS I WILL BE ABLE TO COMPLETE THEM VERY QUICKLY!!!
Kelly Johnston
2024-07-22
It's a comprehensive and easy to use software. Very convenient and perfect for multiple purposes. I've tried other PDF editor sites and this one is without a doubt my FAVORITE! Thanks pdfFiller!
Tyana N
2022-08-13
I am a Landlord and own several properties I am a Landlord and own several properties. I previously have used DocuSign to obtain a tenants signature on a tenancy agreement. PDFiller is so much more flexible and would give google all the stars they deceiver for this product. Many Thanks. Franz.
Franz E.
2020-07-13
It was very easy to navigate the site and fill out the form I needed. I like that they have several options available to print, email, fax and even send out a copy USPS.
Carmica G
2020-05-29

Lock PDF and Add Watermark to PDF for Lenovo

Protect your important PDF documents with ease using the Lock PDF and Add Watermark feature on your Lenovo device. This tool ensures that your files remain secure while maintaining your professional image.

Key Features

Securely lock PDF files to prevent unauthorized access
Easily add custom watermarks to your documents
User-friendly interface for seamless navigation
Quick file processing to save your time
Compatible with various PDF formats

Use Cases and Benefits

Secure sensitive information in business documents
Protect your intellectual property by watermarking artwork or reports
Enhance brand visibility with branded watermarks
Safeguard personal documents, such as contracts or legal papers
Maintain document integrity during file sharing

Locking your PDF files and adding watermarks can effectively address your security concerns. You no longer have to worry about unauthorized access or your work being misused. With this feature on your Lenovo device, you gain control over who views your documents, ensuring that your valuable information stays protected.

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
Download the tool and select Merge option from the menu. Click on Add Files or Add Folder button to add PDF files. Choose the required option for merging the documents. Select any option i.e. Create New PDF or Merge into Existing PDF.
On the Design tab, select Watermark. In the Insert Watermark dialog, select Text and either type your own watermark text or select one, like DRAFT, from the list. Then, customize the watermark by setting the font, layout, size, colors, and orientation. Select OK.
Step 1: Select your PDF document. Step 2: Add Text Watermark. Click the Add Text button at the top of the PDF page. Step 3: Change text size, rotation and location on page. Step 4: Change text color, transparency and font family.

How to Lock PDF and Add Watermark to PDF for Lenovo - video instructions

#1 usability according to G2

Try the PDF solution that respects your time.
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025