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.