70+ Continuously growing browser test suite

Browser capability
testing toolkit

Test Web APIs, permissions, and enterprise policy enforcement across all major browsers.

Content Settings

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Control how browsers handle JavaScript, cookies, images, popups, and mixed content on your pages.

JavaScript

Test JavaScript execution, DOM manipulation, Web Workers, and JIT performance.

Cookies

Test cookie read/write, third-party cookies, session cookies, and CookieStore API.

Images

Test image loading for PNG, JPEG, WebP, AVIF, and SVG formats.

+4 more →

Permissions

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Test browser permission APIs including notifications, clipboard, geolocation, and more.

Clipboard

Test clipboard read/write, rich content, and legacy execCommand.

Geolocation

Test location access with standard and high-accuracy modes.

Idle Detection

Test the IdleDetector API to detect user and screen idle state.

+11 more →

Hardware & Devices

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Access hardware devices like cameras, microphones, USB, Bluetooth, and sensors through browser APIs.

Camera

Test video capture with getUserMedia, preview stream, and resolution info.

Microphone

Test audio capture with getUserMedia and real-time volume visualization.

Screen Capture

Test getDisplayMedia for screen, window, and tab sharing.

+8 more →

Network

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Test network APIs including local network access, server-sent events, WebTransport, cross-tab messaging, and beacons.

Local Network

Test access to local/private network resources (192.168.x.x, localhost).

Server-Sent Events

Test the EventSource API for receiving real-time server-sent events.

WebTransport

Test WebTransport API availability for low-latency bidirectional communication.

+4 more →

Storage & Files

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Test browser storage and file APIs including IndexedDB, Cache API, File System Access, and file upload/download.

File Upload

Test file input, drag-and-drop upload, and multiple file selection.

File System Access

Test File System Access API: open, save, and directory picking.

IndexedDB

Test IndexedDB: create databases, transactions, and verify read/write operations.

+4 more →

Media & Graphics

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Test media and graphics APIs including WebGL, WebGPU, Web Audio, Picture-in-Picture, and codec support.

EyeDropper

Test the EyeDropper API: pick colors from anywhere on the screen.

WebGL

Test WebGL and WebGL2: renderer, vendor, max texture size, and extensions.

WebGPU

Test the WebGPU API: check adapter availability and device capabilities.

+5 more →

Security & Privacy

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Test security features including Permissions Policy, cross-origin isolation, and Storage Access API.

Mixed Content

Test loading HTTP resources (images, iframes, scripts) on an HTTPS page.

Permissions Policy

Test Permissions Policy: check which browser features are allowed or blocked.

Cross-Origin Isolation

Test cross-origin isolation: COOP, COEP, and SharedArrayBuffer availability.

+7 more →

PWA

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Test Progressive Web App APIs including service workers, web app manifest, background sync, and badging.

Notifications

Test the Notification API and Web Push API: request permission, subscribe to push, and send notifications.

Service Worker

Test Service Worker API: check support, registration status, and active workers.

Web App Manifest

Test web app manifest: detect manifest link, parse properties, and check display mode.

+3 more →

Browser Analysis

Analyze your browser's capabilities, configuration, and unique fingerprint.

Browser InfoDetailed browser, screen, hardware, and network info.
Fingerprint TestCanvas, WebGL, and Audio fingerprint generation.

Developer Tools

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Encoding, hashing, JWT decoding, JSON formatting, and more.

Encoder/DecoderBase64, URL, HTML entity encoding.
JWT DecoderDecode and inspect JWT tokens.
JSON ToolsFormat, minify, and validate JSON.
Hash GeneratorSHA-1, SHA-256, SHA-384, SHA-512.
UUID GeneratorGenerate and validate UUIDs (v4).
Timestamp ConverterUnix timestamp ↔ date conversion.
+7 more →

Network Tools

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Test cross-origin requests, WebSocket connections, and HTTP headers.

CORS TesterTest cross-origin resource sharing.
WebSocket TesterConnect and send/receive messages.
HTTP HeadersView HTTP response headers.
NetLog ViewerAnalyze Chrome NetLog dumps for network debugging.

Google Safe Browsing

Test links from testsafebrowsing.appspot.com to verify phishing, malware, and download protection.

Webpage Warnings

Download Warnings

Mobile & macOS

Microsoft SmartScreen

Test links from demo.smartscreen.msft.net to verify SmartScreen protection.

URL Reputation

Downloads