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User-Agent String Switcher

addons.mozilla.org

User-Agent String Switcher is a Firefox browser extension that spoofs the browser's user-agent string to prevent websites from collecting information about the user's browser type, operating system, and browsing configuration, allowing users to receive preferred site content. It allows custom user-agent strings to be set via the toolbar popup, uses a two-factor technique to replicate the default user-agent string for reliability, and consumes no resources when not actively spoofing. A common use case is setting a mobile user-agent string to load faster-loading mobile versions of websites.

Vimium is a browser extension providing keyboard shortcuts for navigation and control in the spirit of the Vim editor. It is available for Chrome, Edge and Firefox. The shortcuts support scrolling, following links, manipulating tabs, navigating history, copying the current URL, and opening URLs, bookmarks or history entries through the vomnibar. Keyboard shortcuts can be customized, and an in-page help dialog shows personalized shortcuts.

WAIncognito

chromewebstore.google.com

Browser extension for WAIncognito, adding useful tools or workflow improvements inside the browser.

Yomitan

yomitan.wiki

Yomitan is a free browser extension that provides pop-up dictionary lookups while reading. It shows definitions, word frequencies, native audio and example sentences, and can send lookups to Anki as flashcards. The extension supports Chrome, Firefox and Edge and runs on Android devices.

hackertab.dev

hackertab.dev

Hackertab is a free start page for developers that shows daily developer news, trending GitHub repositories and tech conferences, curated hourly from more than 50 sources. It is available as a browser extension for Chrome, Firefox, Brave and Edge and as a web version, with no account required to browse news. The site describes it as free and open source with no tracking.

Accessibility Insights

accessibilityinsights.io

Accessibility Insights is an open-source set of tools for finding and fixing accessibility issues. Accessibility Insights for Web is a browser extension for Chrome and Microsoft Edge that tests webpages and web applications; Accessibility Insights for Windows is a desktop tool for Windows applications. FastPass is used to find common accessibility issues. The Android tool is no longer available for download.

AgentDock

agentdock.ai

AgentDock is a writing editor, Chrome extension, open prompt library, and agent API, all stated as live. The editor supports writing, citing, and publishing documents, with citations pulled from Zotero, Mendeley, and DOIs. An AI employee for business use is described as shipping Q3 2026.

AHA Music

aha-music.com

AHA Music is an online song identification service and Chrome extension. It identifies songs from audio and video files, direct or YouTube URLs, and microphone recordings. The site uses ACRCloud Music Recognition Services and a database of over 100 million music fingerprints. File uploads support most audio and video formats up to 100MB, with only the first 60 seconds examined.

Anime Skip

anime-skip.com

Anime Skip is an open-source tool that automatically skips parts of anime episodes using a community timestamp database. It provides a video player with auto-skip timestamps, customizable keyboard shortcuts, advanced controls including playback speed up to 4x, and a free API for developers. Extensions are offered for Chrome and Firefox, with support for Crunchyroll.

Anori

github.com

Anori is a customizable new tab extension for Chrome and Firefox. It lets users add and arrange widgets on the homepage, including bookmarks, calendar, notes, tasks and other tools, with widget packs organized in folders. It supports light and dark modes and offers eight color schemes and backgrounds, with users able to create their own.

Apps

my.jdownloader.org

A list of apps and browser extensions for the MyJDownloader remote control service for JDownloader. It covers the web interface and apps for Android, iOS, Windows 10, Firefox, Chrome, Opera and Edge, letting users start, stop and pause downloads and add links from mobile.

Awesome ChatGPT

github.com

A curated GitHub list of resources for ChatGPT and GPT-3 from OpenAI. It covers general resources such as the ChatGPT official app and API documentation, API tools, Chrome extensions, bots for platforms including Telegram, WhatsApp, Slack, Discord and Twitter, IDE plugins, desktop apps, tutorials, applications, CLI tools and example prompts.

bark

github.com

) - NIP-07 browser extension backed by a Heartwood or NIP-46 bunker. Signs events without the nsec ever touching the browser. Chrome.

BibGuru

bibguru.com

BibGuru is a free citation generator that creates bibliographies and citations in APA, MLA, Harvard, Chicago, and over 8,000 other styles. It allows users to add sources, generate citations quickly, and offers a browser extension for Chrome and Edge. The service provides a paid plan, BibGuru Plus, at $4.99 per month with a three‑day free trial, which includes source saving across devices, project organization, and an ad‑free experience. No sign‑in is required for basic use.

Bookmark Manager Zero is a privacy-focused bookmark management suite with browser extensions that work with native Firefox or Chrome bookmarks. It performs link health checking and link security scanning, detecting dead links and flagging suspicious URLs. Optional GitLab sync lets the web and Android apps access bookmarks on mobile devices.

Bookmarkme is a Chrome extension that lets users save, organise and rediscover bookmarks through visual previews, nested collections, tags, AI summaries and full-text search. It also offers reader view, highlights and notes, an offline archive, and import of existing browser bookmarks. The free plan covers up to 500 bookmarks and 5 collections.

Buzzlytics-ChromeExtension

github.com

Chrome Extension for Tiktok analytics - Coming soon (Youtube Shorts, Instagram Reels)

Bypass Paywalls Clean

gitflic.ru

A browser extension that lets users read articles from supported sites that implement a paywall, and allows adding a domain as a custom site. Weekly updates are released for fixes and new sites. Installation instructions are provided for Chrome and Firefox.

Chaos Frontend Toolkit

chaos-frontend-toolkit.web.app

Chaos Frontend Toolkit is a browser extension bundling tools intended to break web apps so developers can find ways to improve them, applying chaos engineering principles to the frontend. It covers areas such as network, timers, history, accessibility, localization and inputs, and is available on Chrome, Firefox and Edge as an open-source GPLv3 project.

Clippingmini

clippingmini.com

ClippingMini is a bookmark manager that saves links, files and documents into folders. The source states that AI tags, categorizes and summarizes them, checks unsafe URLs and previews documents, video and audio in the browser. It is available through a Chrome extension and a web app, and it can be connected in ChatGPT for saving links and searching the library.

clipsey

clipsey.com

Clipsey is a free tool for downloading Twitch clips. The user pastes a clip URL and selects a quality option; MP4 files are offered at up to 1080p. Registration is not required. A Chrome extension adds a download button directly on Twitch pages, and a separate downloader is available for full Twitch VODs.

Code Web Chat

codeweb.chat

Code Web Chat (CWC) is a free, open-source AI coding tool that integrates with chatbots and APIs. It is compatible with the VS Code family of editors including Cursor, VSCodium, and Antigravity. It supports chatbots such as ChatGPT, Gemini, Claude, Grok and DeepSeek, and APIs including Gemini API, OpenRouter and local Ollama. Features include code completions, checkpoints for state restoration, and a browser extension for autofill available for Chrome and Firefox. It is released under the GPL-3.0 license.

Control Panel for Twitter is a browser extension that gives users more control over their Twitter timeline and adds missing features and UI improvements. It is available for desktop and mobile browsers, including Safari, Chrome, Firefox and Edge.

Copy Selection as Markdown

github.com

Copy Selection as Markdown is a Firefox add-on that copies the title, URL, and selection as Markdown. It is in maintenance mode, with no plans for new features or major changes. A Chrome version must be built and installed at the user's own risk.