Is my file really private? Yes — here's how to check.

Every tool on quick-free processes files locally in your browser. Nothing is uploaded. That's not a policy promise you have to trust — it's an architecture you can verify.

How it actually works

Modern browsers ship powerful media engines: the Canvas API decodes and re-encodes images, the Web Audio API analyzes sound, and WebCodecs exposes the same hardware video encoders that native apps use. Our tools are just interfaces to those engines. When you drop a file, JavaScript running on your machine reads it, transforms it, and hands you the result — the same way a desktop app would.

Verify it yourself in 20 seconds

1. Open your browser's DevTools (F12) and switch to the Network tab.
2. Use any tool — drop a file, process it, download the result.
3. Watch the Network tab: no request carries your file. You can even go offline first.

Why we built it this way

Server-based converters have to pay for bandwidth and processing, which is why they cap file sizes, add watermarks, queue you behind other users, and push signups. Local processing has none of those costs — so the tools can be genuinely free, with no size limits, and your files are private by construction rather than by promise.

What we can't see

Your files, their names, their contents, their metadata: none of it reaches us. The only thing we may measure is anonymous, cookie-free page analytics — how many people visited a tool page, never what they processed. See the privacy page for the full picture.