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Overview

Open Browser → Global settings to configure the defaults used when you create browser profiles. You can override these values for an individual profile in the profile editor.
Global settings for browser profiles

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Startup tabs

Choose what opens when a profile starts: Use List when every new profile should open the same set of websites. You can select a different mode when creating or editing a profile.

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Locale and location

Keep language, timezone, geolocation, and proxy location aligned to maintain a coherent profile identity.

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WebRTC and UDP protection

The default Block unproxied UDP policy allows UDP traffic only when Oxygen Atmos can send it through the profile proxy. This applies to UDP-based traffic such as WebRTC, QUIC, and HTTP/3.
  • If the proxy supports UDP, Oxygen Atmos sends supported UDP traffic through the proxy.
  • If Oxygen Atmos cannot proxy the UDP traffic, it blocks that traffic instead of allowing a direct connection.
  • Blocking direct UDP prevents websites from discovering the device’s real IP address by bypassing the profile proxy.
  • Proxies without UDP support remain usable for TCP traffic.
Public Interface may expose direct network interface information. Use Block unproxied UDP when preventing direct IP exposure is required.

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GPU spoofing

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Noise

You can independently enable noise for:
  • Canvas
  • Audio
  • Rectangles
The profile preview shows whether noise is enabled before you save the profile.