Online Tool Store
Browser Storage Quota Checker
Reports your browser's estimated storage quota and current usage via the Storage API, broken down where possible, plus notes on localStorage/IndexedDB limits.
🔒 This tool runs entirely in your browser. Your files are never uploaded to a server.
Your browser's storage
Reads the Storage API for this site's origin — nothing is sent anywhere.
Estimated quota used
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- Used
- —
- Available quota
- —
This is a browser-enforced budget, not a fixed number — Chrome and Firefox typically allow up to a large fraction of free disk space, while Safari applies stricter, often prompted limits. `localStorage` is separate and much smaller, usually capped around 5–10 MB regardless of this quota.
How Browser Storage Quota Checker works
- Fill in the fields above with the details Browser Storage Quota Checker needs — a realistic sample is pre-filled so you can see the shape of the result immediately.
- Click the action button to run Browser Storage Quota Checker — the computation happens locally in your browser, not on a server.
- Review or copy the result. Nothing about your input or output is ever uploaded or stored remotely.
Reports your browser's estimated storage quota and current usage via the Storage API, broken down where possible, plus notes on localStorage/IndexedDB limits.
FAQ
Does Browser Storage Quota Checker upload my data anywhere?
No. Browser Storage Quota Checker runs entirely in your browser using local JavaScript — nothing is sent to a server, and no account or sign-up is required.
Is Browser Storage Quota Checker free to use?
Yes, Browser Storage Quota Checker is completely free, with no watermark, usage limit, or hidden paywall.
What is Browser Storage Quota Checker typically used for?
It's built around browser storage quota checker — most visitors use it for a quick, one-off task rather than as part of a larger paid workflow.
How we compare
| Feature | Online Tool Store | Doing it manually | A generic online tool |
|---|---|---|---|
| No file upload — runs in your browser | ✓ | N/A | ✗ |
| No sign-up required | ✓ | ✓ | ✗ |
| Free, no watermark | ✓ | ✓ | ✗ |
Check how much browser storage your site can use — if keeping things fast, free, and off a server matters to you, Browser Storage Quota Checker is the straightforward choice.