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JSON Editors
JSON editors are tools designed to create, view, and edit JSON (JavaScript Object Notation) files, which are widely used for data interchange between web services and applications. These editors provide features like syntax highlighting, validation, auto-completion, and formatting to help users work with JSON data more efficiently. They also often offer real-time error checking, making it easier to spot and correct issues in the JSON structure. JSON editors are commonly used by developers and data professionals for tasks like debugging APIs, configuring settings, and exchanging data between systems.
System Utilities
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.
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    Pinokio

    Pinokio

    Pinokio

    There are so many applications that require you to open your terminal and enter commands, not to mention deal with all kinds of complicated environments and installation settings. With Pinokio, all of this can be packaged into a simple JSON script, which can then be run in a browser setting with just one click. Running a server on a computer is not a trivial task. You need to open a terminal and run a bunch of commands to start the server and keep the terminal open to keep them running.
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    ConvertCSV

    ConvertCSV

    ConvertCSV

    ConvertCSV is an online tool for converting CSV files to and from formats like JSON, XML, SQL, KML, YAML, Markdown, and more. It offers various utilities including CSV viewers, editors, and tools to extract data like emails and URLs. Users can perform tasks such as querying CSV with SQL, splitting large files, and transforming CSV to fixed-width, Excel, or PDF. All processing occurs client-side for privacy, and it supports large files efficiently.
    Starting Price: Free
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    ConvertYard

    ConvertYard

    ConvertYard

    ...PDF tools: Merge PDF files, compress PDF files, extract pages, delete pages, crop pages, add page numbers, and export pages as images. Video & audio: Convert between formats and extract audio tracks. Developer utilities: Convert JSON to CSV, format JSON, and encode/decode Base64. AI tools: Auto-generate alt text for images to improve accessibility. All tools support batch conversion up to 1000 files per run, which are then packaged into a single ZIP archive. None of the ConvertYard tools require an account, add watermarks to output files, or charge per file based on its size. ...
    Starting Price: $0
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    DocTools

    DocTools

    Cartolinks

    🚀 DocTools - the official platform for document conversion and file processing! ✨ What makes DocTools special: • 100% FREE online tools (no registration required) • Lightning-fast PDF conversions (Word, Excel, CSV, JSON) • QR Code generator with custom designs • Business card & invoice generators • Image processing tools • Clean, intuitive interface 🎯 Perfect for developers, marketers, content creators, and business teams who need reliable document tools without the hassle of downloads or subscriptions.
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    Lucid Browser

    Lucid Browser

    Lucid Dev Team

    ...Although it is small in size, it packs a punch with all the features you would normally see in a mobile browser. For example, you can import bookmarks from other browsers that use file formats of HTML or JSON. The browser also allows for complete management of bookmarks with folder categorization. By default, Lucid Browser uses Ecosia, a project designed to help plant trees. Lucid Browser also comes with many settings and ways to personalize the look. It is easy to use, very handy, and allows you to surf the net with speed.
    Starting Price: Free
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    Tiny Tiny RSS

    Tiny Tiny RSS

    Tiny Tiny RSS

    ...Plugins and themes, embedding full article content via readability and site-specific plugins, deduplication, including perceptual hashing for images, podcasts, flexible article filtering, JSON API, etc.
    Starting Price: Free
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    DevKnife

    DevKnife

    Solo Tuna

    ...It brings together common utilities in a single native app, so you don’t have to switch between websites, CLI tools, or bulky IDEs for simple tasks. Current modules include: JSON Editor & Formatter, Text Compare, JWT Decoder, Domain & IP WHOIS, Port Scanner, Network Speed Test, Color Picker, Hasher, and IP Location. All tools are built to run locally without relying on third-party APIs. For network-related features like WHOIS or Speed Test, DevKnife connects directly to the relevant servers without sending your data elsewhere. ...
    Starting Price: $19
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    Gear Browser

    Gear Browser

    Gear Project

    The brand new intelligent adaptive algorithm can make the dark mode present better visual effects to protect the eyes and power-saving further. The true full-screen immersive browsing experience. Reading the article in a well-designed layout without ads and distractions. Markdown, JSON, and PDF file viewer just on the browser. Using 150,000+ rules to block ads and trackers to speed up and protect your privacy. Floating, picture-in-picture and AirPlay supported. Unlimited power, unlimited possibility. The first mobile browser supporting Tampermonkey-compatible user scripts. Unlock the power of coding. Debug, inspect elements and design web pages right from your device. ...
    Starting Price: $2.99 per month
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    Reeder

    Reeder

    Reeder

    ...With Reeder, your timeline position is synced across all your devices, letting you pick up right where you left off. Turn any tag into a public, auto-updating feed that can be viewed in any browser or added to any RSS reader that supports JSON feeds, making it simple to share your curated content. Reeder supports more than just RSS feeds. It integrates videos, podcasts, and social media posts into a single, streamlined view. While it’s not meant to replace full-featured clients, Reeder offers a centralized way to keep track of everything you follow, with the option to open content in other apps (if supported) when you want to dive deeper. ...
    Starting Price: Free
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