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PDF Ninja Pro

ExtensionTools
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Overview

Advanced offline PDF processing with Ninja speed.

PDF Ninja Pro: Fast, Private, Offline PDF Merging Stop uploading your sensitive documents to insecure websites. PDF Ninja Pro by KOSKO Labs is a professional-grade utility designed for those who value data security and efficiency. Whether you are handling legal contracts, financial statements, or personal records, our extension allows you to merge, organize, and manage your PDF documents 100% locally on your machine. Why choose PDF Ninja Pro? ► Total Privacy: Your files never leave your computer. We use zero server-side processing, meaning no data logging, no tracking, and no risk of leaks. ► Ninja Speed: Skip the "Upload-Process-Download" loop. By processing files locally, you get instant merging with zero wait times. ► Work Offline: Perfect for travel, remote work, or high-security environments—no internet connection is required to get the job done. ► Simple & Intuitive: A clean, distraction-free interface built for speed. Drag, drop, reorder, and merge in seconds. --- KEY FEATURES --- ✔ Secure PDF Joiner: Combine multiple PDF files into one high-quality professional document. ✔ Privacy-First Architecture: Built by KOSKO Labs to ensure your data stays under your control. ✔ No Limits: Unlike free online tools, there are no file size caps or daily limits on how many documents you can merge. ✔ High-Resolution Preservation: Maintain the original quality of your images and text during the merging process. --- USE CASES --- ● Business & Legal: Combine reports, invoices, and signed contracts into a single file for easy sharing. ● Education: Merge lecture notes, research papers, and assignments for better organization. ● Personal Use: Scanned receipts, tax documents, or travel itineraries—keep your digital life organized and secure. --- HOW TO USE --- Open PDF Ninja Pro from your Chrome extensions bar. Drag and drop the PDF files you wish to combine. Reorder the files to your preference. Click 'Merge' and save your new document instantly to your local drive. About KOSKO Labs KOSKO Labs is dedicated to building lean, powerful, and privacy-focused tools for the modern professional. We believe that your software should work for you, not harvest your data.

Details

  • Version
    2.0.2
  • Updated
    May 22, 2026
  • Features
    Offers in-app purchases
  • Size
    227KiB
  • Languages
    English (United States)
  • Developer
    Matthew Koskondy
    534 SE 45th AVE Portland, OR 97215-1616 US
    Website
    Email
    matt.noir@gmail.com
    Phone
    +1 714-869-5256
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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