UPDF The Smart, AI-Powered PDF Editor

The Ultimate All-in-One PDF Workspace. One Account for Windows, Mac, iOS & Android.

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Annotate
Edit
AI
Convert
OCR
Read
Organize
Protect
Sign
Cloud
Merge
Annotate
Edit
AI
Convert
OCR
Read
Organize
Protect
Sign
Cloud
Merge

The Ultimate All-in-One PDF Software Suite

Eliminating the need for fragmented document tools, UPDF integrates professional editing, advanced AI assistant features, enterprise-grade OCR text recognition, and batch file conversion into one centralized, cross-platform application for desktop and mobile devices.

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Edit PDF

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Read PDF

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OCR PDF

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Sign PDF

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Convert PDF

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Annotate PDF

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Batch PDF

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PDF Forms

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Organize PDF

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More Features

Edit PDF Text, Images,
and Page Layouts

Edit Inline Text

Modify words, fonts, and paragraph alignment directly inside
any PDF file with automatic text-reflow.

Adjust Layout Images

Replace, crop, rotate, and resize embedded document graphics and corporate logos without shifting text format.

Update Hyperlinks & Assets

I nsert active web links, customize page backgrounds, and
update organization watermarks or footers globally.

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Ultra-Fast, Lightweight PDF
Reader for All Devices

Launch Instantly with Zero Lag

Open 1GB+ heavy PDF files or engineering blueprints in milliseconds, optimized with a lightweight engine that consumes minimal system RAM

Toggle Multi-Display Modes

Switch seamlessly between single-page, two-page parallel scrolling, and full-screen slideshow presentations to match your workflow.

Enable Eye-Care Dark Mode

Reduce eye strain during long reading sessions by instantly activating native dark mode or customizing page background skirns.

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Convert Scanned PDFs and
Images into Editable Text

99% High-Accuracy OCR Text Recognition

Extract text from scanned PDF documents, paper invoices, andimages with advanced optical character recognition that maintains origginal document structures.

Multi-Language Document Detection

Recognize and process text across 38+ international languagesnatively including English, German, French, Japanese, Korean, and Chinese

Transform to Searchable & Editable Formats

Convert non-selectable image PDFs into fully searchable, editable, and copyable text files, compatible with standard text editors instarhtly.

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Create, Insert, and Manage PDF
Electronic Signatures

Draw or Type Electronic Signatures

Create personalized electronic signatures instantly by drawingwith a trackpad/stylus, typing your name with customized fonts, or uploading a scanned image of your handwritten autograph.

Apply Legally Binding Digital Signatures

Add secure digital certificates to professional contracts and bpusiness invoices, ensuring full regulatory compliance with internationaelectronic signature legal acts.

Protect Integrity with Tamper-Proof Locks

Lock signed PDF documents automatically to prevent unauthorized text edits or layout modifications, securing the absolute integrity of your finalized legal agreements.

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Convert PDF to Word, Excel,
PowerPoint & Images

Export to Editable Office Formats

Convert PDF files seamlessly into fully editable Microsoft Word, Excel spreadsheet, and PowerPoint presentation formats while preserving original fonts, tables, and layouts 100%.

Transform into High-Resolution Images

Extract PDF pages or convert whole documents into high-quality image file formats, including PNG, JPEG, TIFF, and BMP, with customizable resolution outputs.

Execute Multi-File Batch Conversion

Process dozens of PDF files simultaneously using a high-speed batch conversion engine, saving workflow time without experiencing system memory slowdowns.

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Add Annotations, Markups,
and Comments to PDFs

Highlight & Underline Text

Emphasize critical information instantly inside PDF text using custom highlighters, underlines, strikethroughs, and squiggly lines.

Insert Sticky Notes & Comments

Leave clear feedback on document layouts by dropping interactive sticky notes, text boxes, and callout bubbles anywhere on the page.

Draw Shapes & Add Stamps

Sketch vector diagrams directly with freehand drawing pens, or apply pre-made corporate approval stamps and dynamic date badges.

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Execute High-Speed Batch Operations
Across Multiple PDFs

Convert & Print in Bulk

Process dozens of different PDF files simultaneously, batch-converting them to office formats or executing bulk printing commands instantly.

Batch Encrypt & Protect

Apply security open passwords and permission restrictions to multiple PDF documents at once, saving manual workflow time.

Add Combined Watermarks & Headers

Insert unified company watermarks, background colors, or standardized headers and footers across large multi-file document batches globally.

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Create, Fill, and Edit
Interactive PDF Forms

Fill Flat & Interactive Forms

Complete tax sheets, corporate surveys, and applications instantly by typing directly into interactive form fields and checkable boxes.

Design Custom Form Fields

Build professional fillable PDFs from scratch by adding custom text boxes, drop-down option lists, radio buttons, and digital signatures.

Extract Form Field Data

Gather information efficiently by exporting collected form data into structured spreadsheets with a single click, eliminating manual data entry.

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Reorder, Extract, and Manage
PDF Pages Dynamically

Rotate, Insert & Delete Pages

Reorganize PDF structures instantly by rotating landscape sheets, inserting blank pages, or deleting unwanted document sections seamlessly.

Split & Extract Content

Divide heavy PDF e-books into separate files, or extract specific page ranges to create independent, lightweight document summaries.

Merge & Combine Files

Merge multiple independent PDF documents, image files, and spreadsheets into one single, well-structured PDF portfolio instantly.

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The Advanced PDF Tools
& AI Features

Protect & Encrypt PDFs

Secure confidential files with bank-grade AES-256 encryption, configure custom open passwords, and restrict printing, copying, or layout modification permissions natively.

Summarize Long Documents Instantly

Transform dense textual reports and structured book chapters into visual mind maps automatically, re-organizing complicated data logic into clear graphical layouts.

Translate PDFs Across 38+ Languages

Translate entire PDF e-books or international corporate contracts into your target language instantly, while retaining original typography, images, and formatting alignment 100%.

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Access Your AI Assist ant and Cloud PDF Storage Anywhere

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AI Assistant

Chat with your documents directly to summarize lengthy reports, translate professional charts, and explain complex terminology inside any PDF in real time.

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Sync Document Workflows Across All Devices

Edit a PDF on Windows or Mac, upload it to the cloud, and read cpr annotate the exact same file on iOS or Android seamlessly with zero lagging

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Secure Files in Dedicated UPDF Cloud

Upload and organize heavy PDF files within a secure cloudinfrastructure, ensuring your document modifications are backed up and safe from data loss.

Free Download

Loved by 50+ Million Users. Built for Every Industry.

Document management shouldn't be complicated. UPDF delivers an ultra-intuitive, zero-learning-curve interface that satisfies all your text editing, AI analysis, and format conversion needs. Whether you are scaling an enterprise or managing daily workflows, UPDF adapts seamlessly to your unique professional environment.

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Choose Your UPDF Workspace — Start Free or Unlock Full Premium

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Experience core PDF editing and reading capabilities across all major platforms with zero financial commitment.

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Remove all performance limitations and unlock advanced AI features across 4 devices concurrently under one account.

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Frequently Asked Questions About UPDF

Q1: How many devices can I use with one premium individual account? faq-icon

When you purchase UPDF, you can use it on up to 4 devices: 2 desktops (either 1 Windows and 1 Mac, 2 Windows, or 2 Macs) and 2 mobile devices (1 iOS and 1 Android, 2 iOS, or 2 Android). If you opt for the license with AI Assistant, you can access the AI features online and on up to 4 devices: 2 desktops (1 Windows and 1 Mac, 2 Windows, or 2 Macs), 2 mobile devices (1 iOS and 1 Android, 2 iOS, or 2 Android). You’re also allowed to reinstall on a new device when replacing an old one.

Q2: What is the difference between a yearly plan and a lifetime plan? faq-icon

For a better understanding of the differences between a yearly plan and a lifetime plan, the following aspects should be kept in mind:

1. Yearly plan means that the selected package will auto-renew automatically annually. However, the lifetime plan is a one-time fee and can get lifetime updates.
2. Users who subscribe to the yearly plan will be entitled to receive unlimited free updates and upgrades throughout the term of their annual payment. In contrast, users who choose the lifetime plan will benefit from lifetime access to all future updates and upgrades.
3. Yearly plan can get 110GB (Pro: 10GB + AI: 100GB) of cloud storage and the lifetime plan can get 102GB (Pro: 2GB + AI: 100GB) of cloud storage.

Q3: What are the trial limitations of UPDF? faq-icon

1. The free version automatically adds a trial watermark when saving the document.

2. PDF conversion is limited to up to 2 times a day.

3. Batch processing can only handle two files in the free version.

4. The trial version limits OCR to 5 uses.

5. Only one template can be added on the watermark, header and footer, and background separately.

6. The UPDF Cloud trial version includes 1GB of storage space with a limit of 10MB for a single file. (The premium account has 10GB storage space with 2GB max per file for uploading.)

Q4: What are the trial limitations of the AI Assistant? faq-icon

If you want to test AI Assistant, there are some specific limitations while using its trial version, which is mentioned as follows:

1. You can only upload and analyse up to 5 PDFs and a maximum of 100 pages/PDF.
2. The file size is limited to 100MB per PDF file.
3. Free questions are limited to a maximum of 100 times.
4. With the online AI, users can chat with multiple PDFs by creating collections. However, free user can upload up to 5 PDFs in one collection.

Q5: Can I use UPDF's PDF tools such as editing, annotating and converting etc., if I only purchase AI Assistant? faq-icon

In case you only buy the AI Assistant, you will still be a free user of UPDF, limiting your access to tools like editing, annotating, and converting PDFs. However, you can try and use all the features of UPDF but with certain limitations such as trial watermarks being added.

Q6: Can I use AI Assistant if I only purchase UPDF? faq-icon

If you only purchase UPDF without the AI Assistant, you can only analyze 5 PDFs with AI or ask 100 questions for testing. Should you require additional tokens, you will need to purchase the AI Assistant additionaly.

Q7: How do I contact customer service? faq-icon

If you have any questions, we recommend you contact the customer support team by emailing [email protected]. Moreover, you can visit the User Guide and FAQs page to learn more about UPDF and AI Assistant.

Q8: Which platforms are supported by the AI Assistant?? faq-icon

AI Assistant is available on Windows, Mac, iOS, Android and Web. When you purchased AI Assistant for your UPDF account, you gain access to it on all five platforms. You can access the AI feature on Windows, Mac, iOS, and Android devices by downloading the UPDF program. Alternatively, you can use AI features directly on your browser by visiting ai.updf.com.

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The AI-Powered PDF Workspace forAll Devices

One unified account unlocks advanced text editing, 99% accurate OCR, and unlimited AI summaries natively across Windows, Mac, iOS, and Android.

Free Download
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