When should I use it?
Use when debugging feature detection or preparing bug reports.
Browser Tools
Browser Capability Center
Complete browser capability report — 100% on your device.
100% browser-side — probes, clipboard and network timing stay on this device. No server upload.
✓ Browser Processing
✓ No Upload
✓ Privacy First
✓ Free Forever
✓ Works Offline
Options
This inspects APIs available in your current browser tab. No data is uploaded.
Results
Results will appear here…
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Continue with related FreeConverter.app browser tools — private, free, no registration.
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FreeConverter.app Guide
What does Browser Capability Center do?
Probe what Web APIs your current browser supports — a living capability report.
Who is it for?
Developers, marketers, students, and anyone who needs a free browser utility.
Example input
Paste text, markup, or choose a local file (processed only in this browser tab).
Example output
Instant on-device result you can copy or download — nothing leaves your device.
Browser processing100% in-browser
PrivacyLocal Processing
UploadNot required
DifficultyEasy
How It Works
Real browser APIs — not generated guesses.
1
Open the tool
Everything runs in your browser using native Web APIs. Nothing is uploaded.
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2
Run the check
Inspect clipboard, device, network or capability data instantly on this device.
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3
Copy or export
Copy results, download TXT/JSON, or print a PDF from your browser.
Clipboard, storage and network timings never leave this device.
About Browser Capability Center
Audit your browser locally: OS, dark mode, storage, IndexedDB, clipboard, WebP/AVIF, canvas, WebGL/WebGPU, WebRTC, notifications, battery, language, timezone, screen and viewport. Export TXT or JSON. Part of FreeConverter’s Browser Tools for diagnostics, clipboard and network checks.
FAQs
No. Probes run locally.
Support varies by engine and permissions — that is the point of the report.
Developers, QA and support teams.
No. Capabilities must be measured in the real browser.
Export TXT/JSON from the tool actions.
Local browser APIs only on FreeConverter.app.
No. Browser Tools run entirely in your browser. FreeConverter servers never receive clipboard contents, storage data, or probe results.
Developers, QA testers, support teams, and anyone debugging a browser environment.
Yes. FreeConverter.app browser tools are free to use.
No. FreeConverter.app processes this tool locally in your browser. Your input is not uploaded to our servers.
No. Browser Capability Center on FreeConverter.app is free to use without creating an account.
Developers, marketers, students, and anyone who needs a free browser utility.