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Turn Off the Lights is a free, open-source browser extension that applies dark mode to websites and adds a one-click dimmer for videos. The site says it uses stylesheet injection that preserves video colors while darkening the rest of the page. It lists availability for Chrome, Firefox, Edge, Safari and Opera.
Userscript for Tweaks, adding browser customization or automation to supported websites.
Unlimited Saves is a userscript page for adding browser features, interface tweaks, or automation to websites.
Vandal is a browser extension that serves as a navigator for the Web Archive, helping users move back in time without leaving the current tab. It is built on the Wayback Machine API and offers calendar and graph views, a built-in browser for archived snapshots, navigation history, a resource drawer and a beta historical view. Limitations include iframe restrictions on some websites and no support for saving pages.
VideoToJPG is a browser-based video frame extraction tool built for fast results, converting video files to JPG, PNG, or WebP image files. It supports MP4, MOV, AVI, MKV, FLV, WebM and over 50 additional video formats, and processes all content locally in the user's browser with no upload required. The free service supports batch frame extraction, FPS-based selection, and blur detection for clean output.
Browser extension that adds Vim-style keyboard navigation to web pages and tabs.
Userscript for W.A.R. Links Checker Premium, adding browser customization or automation to supported websites.
WebTorrent is a streaming torrent client for the web browser, Mac, Windows and Linux, written in JavaScript and using WebRTC for peer-to-peer transport where possible. Browser use requires WebRTC support and no plugins or installation. WebTorrent Desktop streams torrents so playback can begin before the download finishes.
Translate Web Pages is a browser tool hosted on GitHub that enables real-time translation of web page content using Google, Bing, or Yandex. It supports installation for Firefox, Chrome, Edge, and Brave browsers.
Web Clipper is the official Web Clipper extension for Obsidian. It lets users highlight and capture web content in a browser, and saved items are stored as durable Markdown files that can be read offline. It is available for Chromium-based browsers, Firefox, Safari and Edge.
Web Search Navigator is a web browser extension that adds keyboard shortcuts to popular websites including Google, YouTube, GitHub and Amazon. It is compatible with Chrome, Firefox, Edge and Safari web browsers.
Web3 Antivirus is a security suite for Web3 users. It includes a browser extension, a MetaMask Snap, a free security API, wallet risk analysis, and an address poisoning monitor, aimed at protecting against phishing, wallet drainers, and other blockchain threats.
A GitHub repository listing packages, services and manuals related to web scraping. It covers libraries for Python, PHP, Ruby, JavaScript and Go, command line tools, and web-scraping manuals. It also lists headless browsers, DNS over HTTPS providers, pastebin sites, tunneling software and captcha solving services.
Brutaldon is a brutalist, Web 1.0 web interface for Mastodon and Pleroma. It is a client rather than a social networking server, accessed through a web browser and running on a web server. It works without JavaScript, with optional enhancement, and in text-mode browsers such as Lynx, w3m and elinks. Lists, filters and profile editing are still missing.
An online tool that parses the HTML of a web page and extracts its internal and external links, displaying them in plain text. After a page address is submitted, the system downloads the page and lists the resulting URLs. It is built with the Lynx command-line browser and described for research, development, security assessments and web page testing.
TheOldNet is a service that provides access to archived web content via a browser proxy. It allows users to view historical versions of websites from 1996 to 2012, includes a search engine for archived sites, a guestbook, random homepage listings, and various retro internet tools.
ImHex Web is a free and open source hex editor for reverse engineers, developers and data analysts. It runs directly in the web browser with the help of Emscripten and WebAssembly. A native version is also available.
Webcomic Reader is a userscript that can work on almost any webcomic or manga page. It preloads 5 or more pages ahead or behind, navigates via ajax for instant page changes, and lets users use the keyboard. It remembers progress, and new sites are relatively easy to add.
Website.informer offers a free aggregated report on any domain, including WHOIS, visitors, IP and DNS details, competitors, and owners. It provides website statistics such as daily visitors, safety status, and global rank, plus competitor and similar-site research. It also offers IP and DNS lookup, WHOIS records, a browser extension for website analysis and security checks, and email-to-domain matching from WHOIS data.
Yubnub is a web-based command line service that allows users to execute custom commands to access external websites and tools. Example commands include image searches, random number generation, and dictionary lookups. It supports advanced syntax for creating custom commands with multiple parameters and default values, and can be integrated with web browsers including Firefox, Internet Explorer, Safari, and Opera.
AWS re/Start is a playful web toy, prank page, or nostalgic browser experiment.
Web version of Google Messages for sending and reading SMS/RCS chats from a browser.
A curated gallery of pixel graphics made with or for the Commodore Amiga home computer. It showcases images in a web browser and includes articles, collections by artists, games, logos and publications. The site states that all works remain copyrighted to their respective owners.
ArchiveBox is a self-hosted web archiving application that preserves content from websites in durable formats such as HTML, PDF, PNG, TXT, JSON, WARC, MP4, and SQLite. It is positioned for personal archivists, lawyers, journalists, researchers, and institutions, and offers a CLI, web UI, REST API, webhooks, and a browser extension.
