Browser Screen Recorder - Online Record Tab & Download WebM
Record your screen, window, or tab with audio directly in the browser. Download as WebM. No extension required.
UD5 Toolkit
Record your current tab, window, or entire screen. Download as WebM instantly.
Record your screen, window, or tab with audio directly in the browser. Download as WebM. No extension required.
Record your screen, application window, or browser tab directly using the Screen Capture API. Download as WebM. All local.
Extract plain text from a PDF file entirely in the browser using PDF.js. No file upload to server. Supports multi-page extraction and search.
Record a short audio or video snippet and get a shareable link (stored locally in browser, no server). For quick feedback.
See which fonts map to generic families (serif, sans‑serif, monospace) on different operating systems. A handy reference.
Paste your CSS and see warnings for properties that have limited browser support. Links to CanIUse. Modernize safely.
Explore your website’s IndexedDB databases and object stores. Add, delete, and inspect records. Like phpMyAdmin for IndexedDB.
See a comprehensive table of which modern web APIs your current browser supports. Includes WebGPU, AVIF, and more.
View, edit, and manage JSON objects saved in your browser's localStorage. Delete, export, or import keys. No setup.
Browse the built‑in styles that browsers apply to HTML elements. Understand why your page looks different. Static reference.
Explore your website’s IndexedDB databases and object stores. Add, delete, and inspect records. Like phpMyAdmin for IndexedDB.
Scan for nearby Bluetooth Low Energy devices using the browser. Read device names and signal strength. Experimental API.
Paste any DNS record and check if its format is valid for the selected record type (A, AAAA, CNAME, MX, TXT, SRV). Prevents typos.
Select a folder of images and start a full‑screen slideshow right in your browser. Adjust interval and transition. No upload.
See how many tabs you have open and estimate memory usage based on navigator object. Fun productivity check.
Fill in name, match URL, and description to get a ready‑to‑edit UserScript header. Start your browser extension easily.
Generate a hash showing how trackers can fingerprint your browser (canvas, WebGL, fonts). Educational and privacy‑aware.
Look at HTTP headers and JavaScript objects to guess which browser extensions might be installed. For awareness.
See exact dimensions of your current browser inner/outer window, screen resolution, and pixel ratio. Developer debug.
Paste a raw cookie string and see a formatted key‑value table. Debug session cookies and understand flags. Runs in browser.
Display a dynamic list of keyboard shortcuts for the current browser and operating system. Filter by category. Keep it open for reference.
Paste a user agent string to get a human-readable breakdown of browser, operating system, and device. See your own current agent info automatically.