declarative-net-request

Local YouTube ad blocking with signed rules and a clear in-page Control Center. Ships as a userscript and MV3 extension.

Browser extension for modifying HTTP headers and cookies with local URL rules and profiles.

Advanced AI-powered ad blocker extension (Manifest V3) — block ads with LLM intelligence, bypass video pre-rolls, and eliminate empty spaces. Supports OpenAI, Anthropic, OpenRouter, Groq.

A small Chrome extension that hides AI Overview, the AI Mode tab, and the homepage AI Mode pill from Google search. Manifest V3, no telemetry, four toggles.

🧠 A Chrome extension that blocks AI chatbots to encourage manual thinking. Because thinking is still legal. Open source & humorously sarcastic.

NoAI - Remove AI clutter from the internet

Replaces obvious ad and clutter surfaces with a quiet card carrying one of your own notes, or removes them.

Caches frequently downloaded assets to save bandwidth, with per-site controls.

Anti-fingerprinting Chrome and Firefox MV3 extension. Blocks extension enumeration, browser fingerprinting (FingerprintJS, DataDome, PerimeterX), and session-replay telemetry (FullStory, LogRocket, Mouseflow, Clarity).

A tiny Manifest V3 Chrome extension that blocks common web video streams and media files.

A reverse-allowlist browser firewall: a page may only talk to its own site plus your whitelist. Chrome / Edge / Opera / Firefox, MV3.

A lightweight, privacy-friendly browser extension that blocks distracting websites using simple patterns, partial words, or regex. Fully local, no tracking, easy to customize.

Chrome extension: point a FAT frontend at a UAT backend with one rule. Proxies API requests cross-origin - rewrite URL/headers/responses, mock, delay, block, retry, WebSocket. No backend CORS changes. 跨域代理助手 · 环境切换

Chrome extension to modify HTTP request and response headers and inspect the current page's headers, driven by a shareable JSON config.

🛡️ Pusu AdBlocker — Manifest V3 Chrome ad blocker with 35,000+ DNR rules (EasyList, EasyPrivacy, Fanboy, StevenBlack hosts), anti-popup nuclear (5 layers), zero tracking, 100% local, open source.

A tiny Chrome extension that opens Facebook straight to your friends feed instead of the algorithmic Home tab.

Local-first browser security extension for Chrome and Edge. Blocks phishing, malware, scams, trackers and ads. No account, no telemetry, no data collection.

Brave/Chrome extension that blocks distracting sites during working hours, and sends each blocked tab back to its page once the site opens. Manifest V3 with declarativeNetRequest: no server, no account, no root daemon.

Расширение для подмены User-Agent, Client Hints и Accept-Language для защиты от фингерпринтинга.

Chrome MV3 GIF blocker and animation stopper for GIFV, autoplay, hover previews, and per-site motion rules.