Browse free open source JavaScript Browsers and projects below. Use the toggles on the left to filter open source JavaScript Browsers by OS, license, language, programming language, and project status.

  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

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  • 1
    custombuttons
    Custom Buttons is a Mozilla Firefox extension, that allows you to add custom toolbar buttons.
    5.0 out of 5 stars 1 Review
    Downloads: 1 This Week
    Last Update:
    See Project
  • 2
    pinvault-pro-extension

    pinvault-pro-extension

    AI-powered browser extension for bulk downloading Pinterest images wit

    PinVault Pro is a professional-grade browser extension that revolutionizes Pinterest image downloading with AI-powered technology. The extension provides intelligent bulk selection, auto-scroll functionality, and maintains HD quality downloads while respecting Pinterest's terms of service. 🎯 Core Features: • Visual checkbox overlays on Pinterest images for intuitive selection • AI-powered auto-scroll with smart content detection • Bulk download capabilities with real-time progress tracking • HD quality preservation in original resolution • Modern glassmorphism interface design • Privacy-focused architecture with no external servers • Cross-browser compatibility (Firefox, Chrome, Edge, Opera) • Real-time synchronization between popup and sidebar interfaces 🌍 Universal Browser Support: • Firefox: Official Mozilla Add-ons Store approval (61.4 KB package) • Chrome/Edge: Manifest V3 compatible (60.0 KB package) • Opera: Manifest V3 compatible (60.3 KB package)
    5.0 out of 5 stars 1 Review
    Downloads: 1 This Week
    Last Update:
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  • 3
    Cflow2vcg convert the result of the cflow utility in a VCG format. It offers the ability to view graphically the call-graph of sources, and import it in documentation.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 4
    Custom Form Elements unites all efforts in the web to enhance web-based XHTML forms in terms of style, usability and accessibility by using Javascript and/or CSS. Custom Form Elements work cross-browser, currently supporting most A-grade browsers.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Endpoint Management with Remote Control Built In Icon
    Endpoint Management with Remote Control Built In

    Patch, monitor, and connect to Windows and macOS devices from one console

    Save 50% on your first year when you switch from your existing RMM to Splashtop AEM. Automate patching, track inventory, and jump directly into 1-click unattended remote sessions without switching tools.
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  • 5
    DHTML-Window-Manager is a free Window-Manager inside a Webbrowser. Due to lots of other great free Javascript-Libraries, that allready cover such things like Management of Windows inside the Browser this project isn't maintained any more.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    Facebook Photo Downloader

    Facebook Photo Downloader

    Download Facebook Photo Album

    Google Chrome extension for downloading any Facebook Photo Albums you can open within Chrome browser. Several photo gallery sites have been added too.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7
    Fire Detector

    Fire Detector

    Detect web framework and javascript libraries run on browsing website

    When you surf the internet with Fire Detector, You can also find more unknown frameworks and libraries. It is based on [LibrarySniffer](https://github.com/justjavac/ChromeSnifferPlus/). I've replaced some deprecated javascript interfaces with asynchronous ones adopted by Firefox for its add-ons --- ### Limitations - WebExtension only works on sites that allow content scripts. With this WebExtension, You can detect:
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    Fire Page Editing

    Fire Page Editing

    Rapid Page Manipulator

    Inject HTML, CSS or JavaScript into any web-page. The changes you make are applied everytime you visit the specified website(s). **How to use?** - Simple, First open the extension. - Choose 'JavaScript', 'CSS' or 'HTML'. - Create a new file by pressing 'new'. - Write your own code. - Press the 'Manipulate' button to test your code. - To make sure your code is run every time you visit a specific website do the following: - Put the URLs of the websites in the 'active websites' textarea. - Check the 'active' checkbox. - Reload the page to make sure it works.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    FireTeX: LaTeX Editor and Compiler

    FireTeX: LaTeX Editor and Compiler

    Edit Your files LaTeX and tex

    FireTeX, web based LaTeX editor complete, is a powerful, intuitive and stocked with useful functions for exporting the results in three useful formats. An editor with LaTeX compiler, highlight code, advanced search / replace and filesystem API HTML5. ======== Android app available on Play Store > https://play.google.com/store/apps/details?id=com.ulmdesign.ulmtex ======== Update 30.06.2017 Windows 7 and later and macOS 10.9 and later are supported. == Browser Extensions == Add-on Opera: http://bit.ly/1o5CJ0d Chrome extension: http://bit.ly/2f7kZzJ == Installation == Download and open zip archive in your macOS. Then extract file and move Firetex.app in your Applications folder of your Mac. Finally open application with double click to start to work
    Downloads: 1 This Week
    Last Update:
    See Project
  • Save Up to 91% on Cloud Compute With Spot VMs Icon
    Save Up to 91% on Cloud Compute With Spot VMs

    Automatic sustained-use discounts. One free VM per month. No negotiation needed.

    Run batch jobs at 60-91% off with Spot VMs. Long-running workloads get automatic discounts with sustained use.
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  • 10
    Firefox Password Filler

    Firefox Password Filler

    Fills login forms even after a delayed page load

    For some websites firefox does not save passwords or automatically fills the login forms. This extension scans the given urls multiple times to find the login form and then fills in username and password. Passwords are stored by the default firefox password manager. The input fields containing login information can be manually set by the user.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    Fireprint - Web to Print

    Fireprint - Web to Print

    Fast Cloud Print Service with add-on of your modern browser

    ------ Update 12/08/2021 - Google Cloud Print Service has been deprecated ------ Print your web page using Google Cloud Print Service wherever you want - https://www.google.com/cloudprint/learn/?hl=en Chrome extension: http://bit.ly/1Wct1rL (not available for now) Opera add-on: http://bit.ly/1Mg5WJK Firefox add-on: http://mzl.la/1OXGxex ==Installation== 1. Download add-on directly from browser gallery 2. Click on icon of add-on in browser toolbar to sending and printing using Google Cloud Print
    Downloads: 1 This Week
    Last Update:
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  • 12
    HTML Validator is an Mozilla extension that adds HTML validation to Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon in the status bar when browsing. The details are seen when looking the HTML source of the page.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    We provide a Hebrew version of Mozilla Firefox, Mozilla Thunderbird, SeaMonkey and Mozilla Application Suite. SeaMonkey/Mozilla Suite are also available for download from here, while the latest Firefox & Thunderbird are available only from mozilla.com.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    Image Format Saver

    Image Format Saver

    Right-click any picture and save it as JPG, PNG or WebP

    Right-click any picture on a web page and save it as a JPG, PNG or WebP file, or copy it as a PNG. The picture is converted on your own computer. Nothing is uploaded, and there is no account, no tracking and no adverts. A free, open source browser extension for Chrome, Microsoft Edge, Brave, Opera, Vivaldi and Firefox, from TechyGeeksHome. No account, no tracking, nothing to pay. The files here are copied from the GitHub releases. Use the main ZIP for Chrome, Edge, Brave, Opera and Vivaldi (Load unpacked) and the -firefox ZIP for Firefox. Full install guide: https://techygeekshome.info/browser-extensions/image-format-saver/
    Downloads: 1 This Week
    Last Update:
    See Project
  • 15
    JS Injector

    JS Injector

    Inject JavaScript custom code into every webpage

    ### This WebExtension is developed for web-developers to easily inject any javascript code into any webpage or website (e.g. to help with debugging). You can write any creative thing you can think of. Send me your suggestions and support the development of this add-on ... Thanks in advance ! === Get your ES6 Editor on Play Store > https://play.google.com/store/apps/details?id=com.ulm.esix
    Downloads: 1 This Week
    Last Update:
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  • 16
    Javascript DB, es un minimotor de base de datos, escrito en Javascript, usando sentencias SQL todo ello en JS.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    Open in Colab

    Open in Colab

    Open notebook in Colab from GitHub and Gist

    Add-on that adds a button, «Open in Colab», to the header of IPython notebook in Gist and GitHub Open Jupyter Notebook in Colab from Gist and GitHub adding a button «Open in Colab» with this browser WebExtension
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    The objective of the OpenBerg Project is to develop Open-Source, Open-Standards-based, Multi-Platform tools for eBook authors, editors and users. We are currently working on OpenBerg Lector, an e-Book reader, and OpenBerg Rector, an e-Book compiler.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    Outline Sidebar

    Outline Sidebar

    Creates table of contents in the sidebar

    Outline is a Firefox WebExtension that outlines the page. To install add-on follow this link - https://mzl.la/2RSwScT Also is available as Cloudflare App - https://www.cloudflare.com/apps/outline-tool It generates a table of contents by extracting all the headings in the page. Automatically creates table of contents in the sidebar that can be clicked through, for easy document navigation. How to use ---- 1. Click the Outline button beside your address bar to activate it. You will see a box coming from left with the outline in it. 2. Click on any of the headings in the outline to jump to the corresponding section on the page. 3. Click the cross button on the bottom left to close the outline. ### Limitations - WebExtension only works on sites that allow content scripts.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    Page Saver

    Page Saver

    Save every image and video on a web page in one ZIP

    Save every image on a web page at the biggest size the site has, plus its videos, in one ZIP file. Streamed videos (HLS and DASH) are downloaded piece by piece and joined into one normal MP4, with no extra app to install. A free, open source browser extension for Chrome, Microsoft Edge, Brave, Opera, Vivaldi and Firefox, from TechyGeeksHome. No account, no tracking, nothing to pay. The files here are copied from the GitHub releases. Use the main ZIP for Chrome, Edge, Brave, Opera and Vivaldi (Load unpacked) and the -firefox ZIP for Firefox. Full install guide: https://techygeekshome.info/browser-extensions/page-saver/
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    Reddit Saver

    Reddit Saver

    Download Reddit images, galleries and videos in one click

    Save the pictures, galleries and videos from a Reddit post, a user's posts or a subreddit in one go. Pictures come down at full size and Reddit videos as normal MP4 files with sound, all in a single ZIP file. A free, open source browser extension for Chrome, Microsoft Edge, Brave, Opera, Vivaldi and Firefox, from TechyGeeksHome. No account, no tracking, nothing to pay. The files here are copied from the GitHub releases. Use the main ZIP for Chrome, Edge, Brave, Opera and Vivaldi (Load unpacked) and the -firefox ZIP for Firefox. Full install guide: https://techygeekshome.info/browser-extensions/reddit-saver/
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    Taringa! sin Perdidas

    Taringa! sin Perdidas

    last version: 1.7.8 (10/01/2019)

    Taringa! sin perdidas es un complemento diseñado para devolver parte de la vieja y nostalgica taringa v5 (CASI). Para mas info ver acrhivo cambios.txt Google Chrome http://sourceforge.net/projects/taringasinperdidas/files/copilado/Taringa_sin_Perdidas_1.5.21.crx/download Opera Next https://addons.opera.com/es/extensions/details/taringa-sin-perdidas-2 Mozilla Firefox https://addons.mozilla.org/es/firefox/addon/taringa-sin-perdidas
    Downloads: 1 This Week
    Last Update:
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  • 23
    ThumbStrips
    ThumbStrips is a Firefox extension that creates a visual representation of your browsing history.
    Downloads: 1 This Week
    Last Update:
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  • 24
    There are a lot of web sites out there which are for Microsoft Internet Explorer only. TouchUpWeb intends to reduce such vendor lock-in caused by browser dependency and provides filtering utility to fix these problems.
    Downloads: 1 This Week
    Last Update:
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  • 25
    Window Expander For Youtube
    The Window Expander for YouTube maximizes YouTube videos in the web browser eliminating all white space and other texts for Google Chrome. This is different then the fullscreen button in that it does not change the size of the actual browser window.
    Downloads: 1 This Week
    Last Update:
    See Project