ALPDF is the mobile PDF editor of ALTools, a leading software brand in South Korea, chosen by more than 25 million users.
From PDF editing and file conversion to AI-powered summaries, manage all your PDF tasks anytime, anywhere with ALPDF.

· All core features free: PDF viewer, PDF editing, PDF conversion, AI PDF summarizer, file locking, splitting, merging, signing, and more
· AI & cloud integration: AI PDF Summary & Chat, plus OneDrive account connection to boost productivity

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● Key Features

[PDF Editor – Read, Edit, Merge & Split]
ALPDF brings powerful, PC-proven PDF editing features to mobile devices.
· PDF Viewer: Optimized PDF reader for smartphones and tablets (including iPad)
· PDF Editing: Edit text, add notes, comments, callouts, lines, links, stamps, highlights, and multimedia
· Merge PDFs: Combine multiple PDF files into one
· Split PDFs: Split or delete pages and export high-quality individual PDFs
· Create PDFs: Generate new PDFs with custom size, color, and page count
· Rotate Pages: Rotate pages horizontally or vertically
· Page Numbers: Insert page numbers with custom position, size, and font

[PDF Converter – File Format Conversion]
Convert documents and images to PDF, or turn PDFs into other formats for free.
MS Office file(Word, PowerPoint, Excel, Image etc)
· PDF to other formats: PDF to JPG, Word, PPT, Excel, TXT
· Other formats to PDF: JPG/PNG, Word, PPT, Excel to PDF

[AI PDF Analyzer – Summary & Chat[
Quickly understand long and complex documents with AI.
· AI PDF Summarizer: Instantly summarize long PDFs into key points
· AI PDF Chat: Ask questions and get answers directly from your PDF
※ ALTools AI Subscription: When you register an AI subscription on the ALTools website, you can use the AI function of ALPDF at a more generous usage.

[Cloud Integration – OneDrive]
Access and edit your cloud documents seamlessly.
· Open from OneDrive: Instantly open and edit PDFs stored in the cloud
· Multiple account support: Connect two or more OneDrive accounts at the same time

[PDF Security – Lock & Watermark]
Keep your important documents safe.
· Set PDF Password & Remove PDF Password: Add or remove passwords to control access
· Watermark: Protect copyright by adding text or image watermarks
· Organize PDF: Rearrange, delete, or insert pages into your documents.

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● When we recommend using ALPDF
Professionals who need to edit or convert PDFs on the go
· Edit contracts, reports, and proposals directly on your smartphone or tablet during business trips or field work.

University students and graduate students managing lectures and academic papers
· Summarize PDFs, add annotations, read research papers, and convert files for assignments with ease.

Anyone handling tax, finance, or personal documents
· Merge, split, and password-protect PDF documents such as receipts and certificates right from your mobile device.

Users who want to handle all PDF tasks without a PC
· View, edit, and convert PDFs seamlessly on smartphones and tablets, including iPad.

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[App Permissions]
Required Permissions
· All files access: Open, convert, and save documents and images

Optional Permissions
· Camera: Add photos while editing PDFs
· Microphone: Add voice notes to PDFs
※ You can use the app without granting optional permissions, but features that require them may be limited until permission is granted.