Privacy · Local recording · 2026
How to Record Screen Without Uploading to Cloud
Every major screen recorder — Loom, Veed, Tella — uploads your video to their servers. If your recording contains passwords, API keys, patient data, or NDA-protected content, that's a risk. Here's how to record locally.
Why Avoid Cloud Upload?
Security
Your recording may contain credentials, internal systems, or API keys. Any cloud upload is a potential breach.
GDPR / HIPAA
Recording medical or financial data in EU/healthcare contexts requires strict data handling. Cloud = compliance risk.
NDA recordings
Client demos under NDA should never touch a third-party server. Local processing = zero data exposure.
Speed
No upload = no waiting. Export immediately on your machine's GPU/CPU.
Which Tools Upload to Cloud?
| Tool | Uploads to cloud | Local export | Auto-zoom |
|---|---|---|---|
| DemoZoom | ❌ Nothing | ✅ MP4 local | ✅ Yes |
| Loom | ✅ Always | ⚠️ Download after | ❌ No |
| Veed.io | ✅ Always | ⚠️ Download after | ❌ No |
| Tella | ✅ Always | ⚠️ Download after | ❌ No |
| OBS Studio | ❌ Local only | ✅ MKV/MP4 | ❌ No |
| Xbox Game Bar | ❌ Local only | ✅ MP4 local | ❌ No |
How to Record Locally with DemoZoom
- 1
Open DemoZoom in Chrome
Go to demozoom.app in Chrome. No account, no sign-in, nothing stored remotely.
- 2
Start recording
Click Start Recording. Select the screen, window, or tab you want to record. Audio from mic and system is captured locally.
- 3
Add zoom points (optional)
After recording, use the editor to add zoom points where you want to emphasize content.
- 4
Export locally
Click Export MP4. The file is created in your browser using WebCodecs and downloaded to your machine. Open DevTools Network tab to verify zero outgoing requests.
Verify: Zero Upload in Chrome DevTools
To confirm nothing leaves your machine during recording and export:
- 1. Press F12 to open DevTools
- 2. Go to the Network tab
- 3. Record your screen and export
- 4. Filter by "XHR" or "Fetch" — you will see zero outgoing requests during export
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