← All tool categories
24 working tools

Browser & Privacy

Understand the current browser and create secure local values without tracking.

Browser Capability Report

Inspect storage, Web Crypto, workers, media and sharing support in this browser.

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Screen Resolution Checker

Report screen, viewport, pixel ratio and estimated physical pixel dimensions.

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User Agent Inspector

Display the browser-provided user agent and modern client hints when available.

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Timezone Inspector

Show the IANA timezone, UTC offset, locale and current ISO time.

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Secure Password Generator

Generate cryptographically random passwords with explicit character controls.

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Random Token Generator

Create cryptographically random hexadecimal or URL-safe tokens locally.

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Browser Storage Inspector

report local storage use and the browser quota estimate without reading unrelated site data.

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Network Information Inspector

show browser-exposed connection type, effective speed class, latency and data-saver preference.

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CSP Nonce Generator

create a cryptographically random Base64 nonce and matching Content-Security-Policy snippets locally.

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Local IP Address Anonymizer

Mask IPv4 and IPv6 host bits with independent prefixes to prepare lower-risk logs, examples and support snippets entirely in the browser.

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Keyboard Event Tester

Check which physical keyboard keys reach this browser, including key codes, repeats and release events, without recording typed text remotely.

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Mouse and Trackpad Event Tester

Inspect pointer movement, primary and auxiliary buttons, double clicks and wheel direction inside a bounded browser test surface.

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Monitor Refresh Rate Checker

Estimate the active tab's animation cadence from requestAnimationFrame timestamps and report median FPS, frame interval and timing variation.

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Display Color and Pattern Tester

Show solid colors, grayscale steps, fine grids and gradients in a local full-screen surface for visual panel inspection.

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Microphone Input Level Tester

Preview microphone activity as local RMS and peak levels without recording, uploading or retaining the captured audio stream.

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Camera Preview and Settings Tester

Open a permission-scoped local camera preview and report the resolution, frame rate and facing mode exposed by the active video track.

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Stereo Speaker Channel Tester

Play a short locally generated tone through the left, center or right channel to check channel order and audible output.

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Gamepad Input Tester

Inspect browser-visible gamepad buttons, analog axes and connection state during a short bounded local polling session.

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Multi-Touch Screen Tester

Visualize concurrent touch or pen contacts, pressure and pointer coordinates inside a bounded local test surface.

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Device Orientation Sensor Tester

Read permission-scoped browser orientation and motion events for a short local session and report the angles and acceleration fields actually exposed.

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HDR and Color Gamut Capability Checker

Report the HDR, wide-color, contrast and pixel-depth capabilities this browser session exposes without pretending to certify the physical monitor.

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Motion Blur Visual Test

Move a high-contrast target at a chosen CSS-pixel speed while measuring browser frame cadence for a bounded visual motion comparison.

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Web Bluetooth Device Visibility Test

Check secure-context Web Bluetooth support and optionally open the browser's native chooser without connecting to, controlling or retaining a device.

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Browser Audio Signal Lab

Generate a short low-volume tone, noise sample or frequency sweep locally for speaker and playback-path checks without downloading audio or using the microphone.

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