Compare the Top System Utilities in Japan as of April 2026

What are System Utilities in Japan?

System utilities are specialized software tools designed to maintain, manage, and optimize computer systems. They assist with essential tasks such as file management, disk cleanup, backup, performance monitoring, and troubleshooting. Unlike applications built for end-user productivity, system utilities work behind the scenes to improve efficiency, stability, and security of the operating system. They can be built into the OS or installed as third-party tools to extend functionality. By automating maintenance and diagnostic tasks, system utilities help prolong system lifespan and ensure smooth day-to-day operations. Compare and read user reviews of the best System Utilities in Japan currently available using the table below. This list is updated regularly.

  • 1
    Advanced Uninstall Manager

    Advanced Uninstall Manager

    Tweaking Technologies

    Advanced Uninstall Manager as the name implies is an application uninstaller for Mac. Created by Systweak Software this uninstaller app not only helps in uninstalling unwanted applications, but it also helps in boosting startup time. Benefits of Using Advanced Uninstall Manager - Easy Uninstallation - Deletes all corresponding files without leaving any leftovers - Helps recover storage space - Boosts startup time - Simple User Interface - Prevents important apps from being accidentally uninstalled - Scanned results are displayed in categories making reviewing them easy Features: Uninstall – Advanced Uninstall Manager makes uninstalling the apps easy. Simply drag and drop the software you wish to uninstall, and the program will scan for all the related files for you to remove them completely from your Mac.
    Starting Price: $4.99
  • 2
    IMGCentury

    IMGCentury

    IMGCentury

    Using IMGCentury is easy, and you don’t need much programming or computer knowledge! Follow the steps: First of all, Open IMGCentury.com in a new tab of any browser. Then, You can see the “Choose Image” button inside the “Drag and Drop Box.” You can choose the images that need to be compressed using the Choose Image button or Drag and Drop images inside the Drag and Dropbox. Once you choose the image, The List of images will appear on the working box, and the compression process will be initiated. Initially, the compression value has been set to 80%, and the output quality and size of the images will be compressed up to 80% of the input size. If you are satisfied with the quality of the result, you can click the Download button to download the images. Or else, you can adjust the compression ratio by using the sliding bar above the working space. Once you have adjusted the compression ratio to the new setting, you don’t need to re-chosen the image.
  • 3
    ClipSync

    ClipSync

    Pixster Studio

    ClipSync is an advanced clipboard manager for macOS that helps users save, search, and organize their clipboard history with ease. Designed for developers, designers, and productivity-focused professionals, ClipSync stores copied text, images, files, and links — even after new items overwrite the clipboard. With features like quick keyboard shortcuts, real-time search, clipboard previews, and CSV export, ClipSync empowers users to streamline repetitive tasks and boost workflow efficiency. Its privacy-first architecture allows you to block sensitive apps like password managers, ensuring your clipboard data stays secure. ClipSync is lightweight, fast, and optimized for Apple Silicon (M1/M2/M3), making it the ideal macOS productivity tool. Whether you're coding, writing, or managing data, ClipSync gives you full control of your clipboard. A must-have utility app for Mac users.
    Starting Price: $0
  • 4
    WinLock Professional

    WinLock Professional

    Crystal Office Systems

    An ultimate security solution that lets you restrict access to various computer resources. It offers all features of the Standard edition, and includes security capabilities for power users and computer administrators: parental control, Internet restrictions, guest password, kiosk protection, remote access, USB authentication, desktop and webcam snapshots, and more. Powerful security solution that protects your computer against unauthorized use. All-in-one solution that enables you to control security aspects of Windows on a very low level. Create different protection schemes for each account in a multiple-user environment. For each user, WinLock will activate only the selected restrictions. Internet Explorer restrictions and website content filters are suited to control and protect Internet access. Supports most of the known browsers. Access WinLock in a secure way by USB flash drive. Turn any USB drive into a protection key for WinLock.
    Starting Price: $31.95/one-time/user
  • 5
    PDF Editor

    PDF Editor

    PULKITSOFT LLP

    World's most comprehensive, powerful, process-based and lighting fast PDF reader, editor and batch processor. PDF editing with 60+ features rich tools and function like pdf Imposition, Masking Tape/Hide Content, Reverse Pages, Resize Page, Scale Page, Booklet, N-up Pages, Page Repeat, Merge, Split, Extract, Rotate, Duplicate, Move, Compression, Batch Processing, Hot Folder, Advanced Printing, Replace Page, Insert Page, Delete Page, Add Link, Attachment/Add Files into PDF, Replace Text, Hide Pages, Crop Page, Page Box, Add Text, Add Image, Add Bookmarks, Remove Bookmark, Export Bookmark, Create Form, Delete Form, Flatten Form, Extract Text, Extract Images, Export To Word, Export To Excel, Export To PowerPoint, Advanced and Multiple Barcodes, Password Protection, Remove Password, Bates Numbering, Watermark/Background, Sign PDF files (Digital Signature), Add Vector Graphics, Convert To Grayscale, Convert PDFA to PDF, Convert PDF to PDFA, Convert PDF to TeX, Convert PDF to EPUB, and more.
    Starting Price: $69
  • 6
    ExitLag

    ExitLag

    ExitLag

    ExitLag optimizes data routing by instantaneously mapping out various routes and sending the packet through the optimal one. It is a software used by gamers that need to get rid of lag, packet loss, jitter and high ping. It has support for more than 400 games and is the most easy platform to use in the category. ExitLag has a three free days trial option with no credit card required. You will be able to claim the free trial when downloading the software. After login for the first time, you will get 3 days free to use with all functionalities.
    Starting Price: $6.50 per month
  • 7
    4K Image Compressor
    4K Image Compressor is a free cross-platform app that lets you optimize PNG, JPEG, HEIC, and WEBP images quickly and without quality loss. With 4K Image Compressor, you can: Reduce the size of an image by a desired number of percent or to a particular size in megabytes, kilobytes, or even bytes PNG, JPEG, HEIC, and WEBP are supported for optimization and conversion, and more are coming soon Batch compression is available to save your time You can upload images in lossless and lossy formats.
    Starting Price: Free
  • 8
    DoCast

    DoCast

    Electronic Team, Inc.

    DoCast offers seamless iPad and iPhone screen mirroring in high resolution, allowing you to stream music, videos, and photos to your TV effortlessly. With this app, you can easily mirror your iPhone or iPad to your TV and connect with ease to any Smart TV. DoCast is compatible with most popular Smart TVs and streaming devices, including Chromecast, Android TV, Roku, Fire TV, and DLNA devices, providing an exceptional screen-sharing experience. For unlimited casting and mirroring, consider upgrading to DoCast Premium.
    Starting Price: $1.25/month
  • 9
    USB Blocker Professional
    USB Blocker Professional is a security software that prevents data theft, data loss and malware infections by blocking all untrusted USB devices. All unauthorized USB drives, external drives, network drives, non-system drives, CDs, DVDs, CDs, Blu-ray discs and memory sticks will be blocked unless you authorize them. The program maintains a list of authorized USB devices that are permitted to access your PC. You can authorize several USB devices at once. By default, USB Blocker Professional does not allow access to any unauthorized USB device unless you authorize it and must be an administrator. USB Blocker Professional maintains a record of Authorized USB devices, invalid login attempt, device log, invalid password change, invalid device authorization and invalid apply changes to keep you informed of any suspicious activity while using the program. You can easily view reports anytime you have access to the program. You can export your report as a PDF, Text or CSV file.
    Starting Price: $19.00
  • 10
    SUPERPrivateBrowser

    SUPERPrivateBrowser

    RealDefense, LLC

    SUPERPrivateBrowser is a secure, privacy-first web browser developed by the makers of SUPERAntiSpyware. Built for users who want full control over their online privacy, SUPERPrivateBrowser blocks third-party trackers, ads, and data collection tools that follow you across the web. It is designed to prevent fingerprinting and unauthorized access to your browsing activity, keeping your personal information out of the hands of advertisers and bad actors. As part of the trusted SUPERAntiSpyware suite, SUPERPrivateBrowser combines familiar browsing functionality with built-in privacy protections that go beyond what standard browsers offer out of the box. Lightweight, easy to use, and available for Windows.
    Starting Price: $0
  • 11
    TheOnlineConverter.com
    Theonlineconverter.com is an online file conversion platform that provides multiple file conversion tools for users' diverse needs. Thanks to its user-friendly interface and cross-platform compatibility, both professionals and beginners can easily access this online file conversion platform. Some of the popular online converter it offers include JPG to Excel, PNG to PDF, image to text and many more. The best thing about these converters is that they allows to convert multiple files at once, and they are entirely free of cost.
  • 12
    CyberBrox

    CyberBrox

    Metra Enterprices

    CyberBrox is a fast, secure, and privacy-focused file conversion platform built for individuals and businesses. All conversions are processed inside your browser, which means your files never leave your device. This ensures complete confidentiality and a much higher level of data protection compared to traditional upload-based converters. CyberBrox was created to solve the common issues users face with online converters, such as slow uploads, limited formats, privacy risks, and complex interfaces. With CyberBrox, you get instant conversions, strong privacy, a wide range of supported file types, and a simple, clean interface that anyone can use. It is designed for office work, academic use, and everyday file-handling tasks where speed, privacy, and reliability matter.
  • 13
    TUBROWSER

    TUBROWSER

    TUBROWSER

    TuBrowser (途纹浏览器) is a fingerprint browser designed for cross-border eCommerce sellers who manage multiple online store accounts across global marketplaces. The platform provides isolated browser environments that simulate unique device fingerprints, allowing sellers to safely operate multiple accounts without triggering platform detection systems. Each account runs in its own secure container with independent IP addresses, cookies, and browser fingerprints to reduce the risk of account linking or suspension. TuBrowser supports major marketplaces such as Amazon, eBay, Walmart, Shopee, AliExpress, TikTok Shop, and Shopify, making it a practical tool for international eCommerce operations. The browser also includes built-in features for team collaboration, multi-user account management, and permission controls so distributed teams can manage stores together efficiently.
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