PDF Merge & Split - PDF Flat

PDF Flat is an all-in-one PDF tool that lets you merge, split, and preview PDF files with ease.

◆ Merge PDFs

Combine multiple PDF files into one. Drag and drop to reorder files freely. Watch real-time progress as your files merge quickly.

◆ Split PDFs

Split PDFs the way you want.

• By Range: Specify start and end pages to split

• Extract Pages: Pick and extract only the pages you need

• Every N Pages: Automatically split into equal chunks

◆ Preview & Edit

View and edit your pages at a glance.

• Page grid view / Full-screen viewer

• Drag and drop to reorder pages

• Rotate pages (90° increments)

• Delete unwanted pages

• Save changes instantly

◆ Work History

Review your previous work anytime.

◆ More Features

• Dark mode support

• Korean / English support

• Lightweight app size

• Works offline — files are processed entirely on your device

When you need to merge, split, or reorder PDFs, PDF Flat is all you need.