All extensions

A specialized developer tool designed to simulate diverse browser configurations and environments.

TWT Sentinel Reporter

Instant bug reporting with video, logs, and network interception.

TypeSniff

DevTools の JSON 通信から TypeScript の型と fetch ラッパーをその場で生成。外部送信なしのローカル開発ツール。

TypeUI Insights

Website Analytics extension for Google Chrome. View live visitors, traffic metrics, and heatmaps on your websites.

TYPO3 PID Helper

Show the Page ID if present in meta tags.

5.0

Tyrex for Chrome

Lets your Tyrex coworkers see and use websites in your own Chrome. Your Tyrex Web access setting decides which sites.

Tziki - Make it simple

Extension for commenting on web page elements

ugoiita-code

Extensions for sharing working code.

UI5 Lens

Inspect SAPUI5/OpenUI5 apps: control tree, properties, bindings, models and event handlers. No data leaves your browser.

UIBrief: Copy any UI as Tailwind, CSS & AI prompt

Hover any element to copy clean CSS and Tailwind v4, free. Pro: whole components, design tokens and AI-ready briefs. No account.

Uicuts

Annotate any web page: inspect elements, extract colors & fonts, attach notes, and copy structured Markdown for AI coding agents.

uier

Review configured project sites with uier. Signed-in project membership required.

UI Helper

Select, preview, annotate, and record UI feedback for coding agents.

UI Inspector Pro

VisBug-level inspection: drag, resize, measure, inspect full CSS for AI replication.

UIRecast

Recast rendered UI into reusable frontend code.

UI Review

UI designers review and annotate web pages, export AI-friendly structured reports

UJAX Problem Collector

UJAX에서 문제 등록 시 백준 문제 데이터를 수집합니다

5.0

Ukuthula Site Checker

Scan any webpage in one click and find the SEO problems that are hurting it — with simple, step-by-step fixes anyone can follow.

UK Visa Sponsor Checker by WorkCV

See which employers hold a UK visa sponsor licence, with badges on job listings from the official Home Office register.

Ultra PR

Keeps a GitHub pull request's Conversation and Files changed views side by side in split view.

UlVariN - ページ変数チェッカー

クリック一つでページのURL・Cookie・LocalStorage等をコンソールに一覧表示。マーケター・開発者向けのページ変数確認ツール

Unblock Everything

Opens up external window where no content filters are active.

3.0

Unclosed

Save every open tab in one click and close them. Kept in your browser, export any time. The Unclosed app comes next.

Uncropped - Full Page Screenshot

Full page screenshot, including the scrolling div your browser does not think is the page. Below the fold, off to the right.