Banker's Algorithm Simulator - Online Deadlock Avoidance
Set up resources and processes and run the Banker's algorithm to check for safe states. Classic OS deadlock avoidance demo.
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about:preferences. Safari allows custom shortcuts through macOS System Settings → Keyboard → App Shortcuts. For advanced users, tools like AutoHotkey (Windows) or Karabiner-Elements (Mac) provide system-wide shortcut customization.Set up resources and processes and run the Banker's algorithm to check for safe states. Classic OS deadlock avoidance demo.
Drop a WAV file and see its full header: sample rate, bit depth, channels, and chunk structure. Raw bytes explained.
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.
Record your screen, window, or tab with audio directly in the browser. Download as WebM. No extension required.
View the individual red, green, and blue channels of an image as grayscale. Photographer and developer tool.
Enter a URL and see a list of its ARIA landmarks (banner, main, nav). Check document structure for accessibility. Local fetch.
Browse the built‑in styles that browsers apply to HTML elements. Understand why your page looks different. Static reference.
Record your screen, window, or tab with audio directly in the browser. Download the recording as a WebM file. No upload.
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.
Drop or paste an .ics file and see all events in a readable table. Check dates, times, and locations. Privacy‑friendly.
Select a folder of images and start a full‑screen slideshow right in your browser. Adjust interval and transition. No upload.
Drop a PDF and see its embedded metadata: author, title, creation date, and more. No content is uploaded; pure browser PDF parsing.
Paste a list of JavaScript values and see them pretty‑printed as if in the browser console. Great for debugging.
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.
A small widget that records your clipboard text history (only while open). Search and re‑copy old snippets. No log upload.
Choose a font family and see how it renders famous pangrams (The quick brown fox…). Instant web font loader.
Select bonding and lone pairs to see the predicted shape (trigonal bipyramidal, octahedral). Static diagrams.
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.
Drop any file to see its raw hexadecimal representation and ASCII side‑by‑side. Navigate with offset. Client‑side only.
Paste a raw cookie string and see a formatted key‑value table. Debug session cookies and understand flags. Runs in browser.
Record your screen, application window, or browser tab directly using the Screen Capture API. Download as WebM. All local.
Set up a chess position using FEN notation or drag pieces. Share the position link or screenshot. No AI, just board.
View and edit CSV data in a familiar table interface. Add/delete rows and columns, sort, and export. Fully local, no cloud sync.
Paste a user agent string to get a human-readable breakdown of browser, operating system, and device. See your own current agent info automatically.
Extract and view EXIF data from photos including camera settings, GPS location, and timestamps. All metadata read locally, your photos stay private.