Have you ever struggled with editing a PDF on an urgent basis before a meeting? Surprisingly, you're not alone because many people have their go-to PDF tools. Among these tools is PDNob, which many people turn to, but it might not be the best option. As a counter, we will also introduce UPDF, a unique PDF editor with diverse AI abilities. In this article, you'll take a closer look at PDNob, including its features, limitations, and a powerful alternative, so read further.
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Part 1. An Overview of PDNob
This part focuses on the PDNob review and an alternative option so you can decide for yourself which one is the better choice for you.
What is PDNob?
PDNob has recently gained attention because of its simplicity and quick tools. The tool was mainly designed to edit and annotate PDFs, and later, a few advanced features were added. Users can select text to add annotations like highlights, change font size and style, etc. Your files can be converted into Word, Excel, and PowerPoint formats, and it allows you to add little notes within the file.
Features of PDNob
- Editing PDFs: PDNob provides a very basic editing system that helps users target the text and images within the document. From adding new images and text to editing existing text and resizing images, PDNob does everything with ease.
- Highlight PDFs with Stickers: When marking any document, stickers are an interactive way to annotate PDFs. PDNob offers 100+ stickers, which can be used throughout the document for annotation.
- Annotating Text: For highlighting important data within a PDF, PDNob comes with a dedicated highlight tool. Furthermore, it also allows users to underline, strikethrough, and add squiggly lines on text, which gives you basic control over the PDF annotation.
- Stamp PDFs: After you've completed editing a PDF, you might need to specify the status of the PDF. Instead of general techniques and approaches, you can use the stamps in PDNob to introduce some changes.
- Encryption: For confidential files, establish passwords and encrypt them properly to ensure full-fledged security.
- Batch Processing: PDNob PDF Editor offers many batch tools, such as Convert, Watermark, security, etc., so you can work simultaneously on your files.

Does PDNob have AI Features?
Yes, PDNob is powered by ChatGPT-4 and DeepSeek R1, providing an AI PDF ecosystem. From basic summarization of PDFs to explaining particular sections or points within the document, PDNob can get it done with its AI functionalities. When it comes to translating PDFs to other languages, PDNob has multilingual language abilities, which makes it a considerable option for dealing PDFs with AI.
Is PDNob Free?
There is a free version that PDNob offers, but many of the features can be unlocked in the paid versions, so the pricing plans are given here:
- Monthly Plan: $14.99
- Yearly Plan: $35.99
- 3-Year Plan: $45.99
Those seeking AI services in PDNob are heavily restricted to 50 credits in its Free plan. Furthermore, they can only import PDF files of 15MB at maximum or PDFs with no more than 120 pages.
PDNob Pros and Cons
Let’s break down the key pros and cons of the tool to get a clearer picture:
Pros:
- You can extract specific pages from the PDFs to be shared and saved.
- It is a lightweight tool and does not affect the efficiency of your device as a whole.
- PDF files can be rotated clockwise and anticlockwise.
- Links can be inserted and attached to your content easily.
Cons:
- PDNob does not make slideshows for you, which bounds you to take your PDFs onto different platforms that are used for presentation purposes.
- You cannot add links across your PDF document or edit them, which is a major drawback if you are editing reports or academic documents with hyperlinked material.
- Fields and boxes are not recognized by the tool while editing, leaving you with no option of filling PDF forms directly within the platform.
- You cannot compare the new version of your files with the previous ones.
- Text cannot be redacted from the file, restricting your PDF protection ability and leaving you vulnerable.
Note
Part 2. A Better Alternative to PDNob
While PDNob offers some useful tools for quick tasks like screen OCR and image translation, it falls short when it comes to complete PDF management. This is where UPDF shines as a powerful and smart alternative, as it is an all-in-one PDF editor that helps edit, annotate, convert, and organize PDF files.
With a comprehensive AI Assistant that offers you the ability to summarize, translate, and explain PDFs, you can also convert your scanned PDFs into editable text with its facility. The tool acts as a complete PDF solution, which is available across Windows, Mac, iOS, and Android.

Key Features of UPDF
- AI Assistant: You can ask AI any rational questions as it is powered by GPT-4.1 and DeepSeek R1. It can become your assistant by translating, summarizing, or explaining PDFs by making bullets and mind maps.
- Edit PDF: Text, images, and links can easily be added and edited within your files in the Edit PDF mode.
- Read PDF: The reading mode in UPDF provides a diversity of displays that aid you in reading PDFs with ease. Furthermore, instead of wasting time on making slides and presentations, the tool allows you to directly present your PDF in a slideshow. The feature offers laser pens, pencils, and erasers to help you express your ideas fully.
- Annotate PDFs: You can make progressive markings to your PDFs within the Comment mode of UPDF. It includes highlighting, underlining, and marking the text with other options as well. Users can also add stickers, notes, and stamps to personalize their documents properly.
- OCR: The automatic text recognition feature in UPDF allows the recognition of text in 38 different languages. You can easily perform OCR while selecting between 3 different modes according to your needs. It also helps preserve image quality after text recognition, while also allowing users to convert their editable PDFs into image-only format in another mode.
- Create & Fill Forms: You can easily fill out existing PDF forms in UPDF as it has a smart form field recognition feature. On the other hand, you can also make new innovative forms by adding Text Fields, check boxes, Date fields, and several other elements.
- Compare PDFs: Two of your files can be compared side by side, highlighting differences and keeping track of the changes you made.

Part 3. Comparison Table: PDNob vs. UPDF
The detailed overviews of PDNob PDF editor and UPDF have made it quite clear that UPDF stands out as the best tool offering more advanced and efficient features to achieve your goals.
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Following is a brief comparison table between the 2 tools that will clear up the rest of the confusion:
PDF Editor | PDNob | UPDF | |
Pricing Plans | Monthly Plan: $14.99 Yearly Plan: $35.99 3-Year Plan: $45.99 | Year: $39.99 Lifetime: $69.99 AI Assistant: $79.00/year | |
Available Devices | Windows & Mac | Windows, Mac, Android, iOS | |
Features | |||
Read PDF | Slideshow | ||
Light Mode/Dark Mode | |||
Compare PDFs | |||
Edit PDF | Edit Text & Image | ||
Edit Link | |||
Watermarks, Header & Footer, Bates Numbering, Background | |||
Add Image as Watermark/Add Tiled Watermark | |||
Annotate PDF | Highlight, Sticky Note, Pencil, Attachment, Strikeout, Underline, Shapes, and Stamps, Text Comment, Text Box, and Stickers | ||
Text Callout and Measurement | |||
Convert PDF | Convert PDF to Word, Excel, PPT, HTML, Image, PDF/A, RTF | ||
Convert PDF to CSV, XML | |||
Organize Pages | Insert, Delete, Crop, Reorder, Rotate, Split, Extract and Replace | ||
AI | Chat, Analyze, Summarize, Translate | ||
Generate Mind Map | |||
Translate By Page | |||
Chat With Image | |||
OCR (Supported Languages) | 20+ | 38 | |
Create & Fill Form |
UPDF 2.0 is just around the corner, promising even more advanced AI features, smarter editing capabilities, and performance upgrades. One of the best parts is that users who purchase a lifetime plan now will receive free lifetime updates with every new release. With all-in-one tools and cross-platform compatibility, UPDF continues to be a complete PDF solution that grows with your needs.
Conclusion
In a nutshell, while PDNob PDF Editor serves well for quick OCR and translation tasks, it lacks the advanced AI and document management features that most users need today. If you’re looking for a reliable and intelligent PDF solution, UPDF can be the best choice you can make in this regard. From full PDF editing to AI-powered tools and cross-platform support, it offers everything in one intuitive package.
Thus, instead of settling for the limitations of PDNob, download UPDF now and upgrade your PDF workflow for good.
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