You can change the security level of <span class="application">Tor Browser</span> to disable browser features as a trade-off between security and usability. For example, you can set the security level to *Safest* to disable JavaScript completely.
To change the security level, click on the [[!img security-level.png class="symbolic" link="no"]] icon on the right of the address bar and choose **Settings…**.
<p>This feature is not enough to strongly [[separate contextual identities|about/warnings/identity#contextual]] as the Tor circuits used ouside of <i>Tor Browser</i> are not changed.</p>