it365 PDF Toolbox

Quickly merge multiple PDF files into a single document. Support batch processing, custom page reordering, and formatting preservation.

Split large PDF documents into multiple smaller files by custom rules. Support splitting by fixed page counts, page ranges, or outline bookmarks.

Automatically identify and calculate the number of color and grayscale pages in your PDF documents. Set custom thresholds to filter scan noises. Processed 100% locally in browser before printing.

Detect and separate color pages and grayscale pages from a single PDF document. Package and re-merge them into two independent PDF files for separate printing, saving significant color printing costs.

An online PDF viewer that supports adjustable automatic scrolling speeds. Perfect for hands-free reading and presentation slides. Fully responsive and supports light/dark themes.

Open two PDF files side-by-side and scroll them synchronously. Fast and convenient way to visually compare differences, look for layout shifts, and verify content updates between two document versions.

Open and read any PDF document instantly directly in your browser. Fast rendering, completely private, and supports selecting text and copying content locally.

A detailed step-by-step instruction guide demonstrating how to open two PDF documents side-by-side and compare them effectively using online tools.

Best practices and complete steps for rendering and exporting Markdown documents into clean, professional PDF files. Solve margins and headers issues easily.

PDF Metadata Viewer Online, Show hidden text in PDF online, View and Remove PDF Metadata (XMP).

A high-performance desktop PDF toolkit based on C++20 and Qt. Offers fast multithreaded PDF rendering, editing capabilities, document comparison, splitting, and merging.

Explore more PDF tools, change page margins, customize print setups, download desktop clients, and adjust advanced color thresholds.