All extensions

Open GitHub repositories in your installed Tower Git client. A lightweight, unofficial shortcut with no tracking.

OpenModelMap — Deploy Open Models

Deploy commands, benchmarks, hardware & license for HuggingFace models. No synthetic scores — real data only.

OPFS Explorer

管理和编辑 OPFS 文件系统的开发者工具

Orphan Page Scanner by Salsox

Find the pages in your sitemap that no other page links to. Free, runs in your browser, nothing is sent anywhere.

OSO Stamps.com Tracking Sync

Auto-pushes UPS tracking numbers from stamps.com shipped orders to the OSO dashboard.

OutageHQ — Is It Down?

Instantly check if the site you're visiting is down. Real-time status powered by OutageHQ.

Outliner

Outline any page in one shortcut. See boxes, gaps, spacing, radiuses and font specs, in relative units or pixels.

OutreachSafe — LinkedIn Compliance Checker

Check LinkedIn outreach for compliance issues before sending. Flags CAN-SPAM, GDPR, spam signals, and LinkedIn policy violations.

Overflow Fix — CSS 탐색·추출·진단

웹 요소의 CSS·HTML을 추출하고 반응형·호버를 재현하세요. Grid 표시, Tailwind 출력과 가로 넘침 진단을 제공합니다.

Overlay Check – Pixel Perfect Mockup Overlay

Overlay your design mockup on any web page. Unlimited layers, opacity, nudge and lock – free. Check your build pixel by pixel.

OverlayPeek — overlay, inspect, live CSS

Pixel-perfect overlays with unlimited layers, a CSS inspector and live CSS editing. Free. No pop-ups. No tracking.

Overwatch - AI Incident Resolution

AI-powered conversational incident resolution with turn-by-turn guidance

OwnMyApp / Nometria: Vibe app inspector

Detect Lovable, Base44, Replit, Bolt & common frameworks. SSR/CSR + SEO signals. OwnMyApp / Nometria Vibe Readiness.

Page2Prompt - Webpage to Markdown for AI

Convert any webpage to clean, LLM-ready Markdown. Code, tables and math stay intact. See token cost, send to ChatGPT in one click.

Page Annotator

Mark HTML elements and write notes – so you know what to change and where.

Page Cleaner

Open the current page in a clean Chrome side panel with AI analysis.

Page Detective

Automatically checks web pages for broken links, image alt attributes, SEO/GEO issues and more.

PageDiff

Select two areas on any webpage and instantly compare their differences.

PageGuard

AI Browser Access Control Layer — protect your tabs from AI agents

PageLint

Fast SEO QA in your sidebar. Review issues, previews and metadata on any live page.

Page Notes

Pin feedback and edit text on a page, then download a Markdown review for your coding agent.

PagePilot Capture

Full-page screenshot capture. Preview, download as PNG, export as PDF, or copy to clipboard.

Pagepulse: Web Metrics

Display loading time and other metrics realtime.

PagePulse — Word & Character Counter

Count words, characters, sentences, paragraphs, and reading time in text or a webpage.