Private browsing mode — feature list

	A	B	C	D	E	F	G	H	I	J	K	L
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4		Chrome	Chrome	Firefox	Firefox	Safari	Microsoft Edge	Brave	Brave	TOR browser	Opera	Samsung
5	Web feature	Incognito mode	guest mode (and multiple users— user associated with windows)	Private Browsing	Tracking protection in private browsing	Private browsing windows	InPrivate tabs or windows	At install ("Shields up")	private mode	At install		Secret Mode
6	Cookies - store new cookies (persistent or to be wiped when you close the last incognito window)	wiped when you close the last incognito window	wiped when you close the last incognito window	"not stored" (at all or deleted at close of window?)		Changes to existing cookies are not saved	not saved after you're done		Vanish when the browser is closed	deleted when brower is closed	Deletes when tab is deleted	Stores cookies within the secret session, wiped when finish.
7	Cookies - share existing cookies with sites you visit	not available	not available				?			none		No cookies are present from the normal browsing
8	Local Storage
9	Session Storage
10	Permissions you grant to a site (camera, mic, etc)	isolated	isolated									Permissions are preserved from normal browsing. Permissions not preserved if agreed in secret mode.
11	Browsing history — read history from outside the private session (autoprompt)		not available							none		none
12	Browsing history — write (record)	not stored	not stored	not stored		not stored after all private windows are closed	not saved after you're done		Not logged in page history	deleted when browser is closed	Deletes when the tab is deleted	not stored
13	Browsing history — not stored/shared in a cloud service					not shared (iCloud or handoff)						not shared/stored
14	Browsing history — IP addresses of pages linked from the pages you visit	not stored	not stored
15	Saved password — read from outside the private session		not available
16	Saved password — write			not stored					/
17	Form autocomplete — write to user profile in browser			not stored		not stored
18	Search history — write					recent searches made in privacy mode are not included
19	Search history — read from outside the private session (autoprompt)
20	Bookmarks — read from outside the private session (autoprompt)
21	Bookmarks — write (save new ones)			/					/		Still be visible after the tab is closed
22	Tracking protection				blacklists known trackers			Blacklists known 3rd party trackers (multiple lists)				no
23	Ad blocking							blacklists ads (multiple lists); specific siteHacks for known edge-case sites				no
24	Enables Do Not Track					enabled						no
25	Anti-fingerprinting/identity entropy						Blocks tracking pixels and tracking cookies; blocks malicious advertising	Canvas fingerprinting: it should report a fixed value on tests like panopticlick WebGL fingerprinting: it should report as undefined on tests like panopticlick AudioContext fingerprinting WebRTC IP leakage Battery Status fingerprinting (disabled in general, not just when FP mode is turned on)
26	VPN
27	TLS						HTTPS Everywhere			HTTPS Everywhere — but traffic in clear between Tor network and destination. reminder to users in the documentation to consider this themselves
28	service workers and web workers
29	Cache — web content	text not stored	text not stored	not saved							Deletes when tab is deleted
30	Cache — offline web content			not saved							Deletes when tab is deleted
31	Recording downloaded files (list)	not stored	not stored	not stored		not stored
32	Keeping downloaded files	/	/	/		/			/		Still be visible after the tab is closed
33	keyloggers or spyware (local)			/
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35	Save to homescreen with webapp manifest?
36	URL of info	https://www.google.com/chrome/browser/privacy/	https://www.google.com/chrome/browser/privacy/	https://support.mozilla.org/en-US/kb/private-browsing-use-firefox-without-history	https://support.mozilla.org/en-US/kb/tracking-protection-pbm	https://support.apple.com/kb/ph21413?locale=en_US	https://support.microsoft.com/en-gb/instantanswers/34b9a3a6-68bc-510b-2a9e-833107495ee5/browse-inprivate-in-microsoft-edge	https://github.com/brave/browser-laptop/wiki/All-About-Ad-Blocking https://github.com/brave/browser-laptop/wiki/Fingerprinting-Protection-Mode https://github.com/brave/browser-laptop/blob/master/js/data/siteHacks.js	https://github.com/brave/browser-laptop/wiki/What-a-Private-Tab-actually-does	https://www.torproject.org/projects/torbrowser.html.en	http://help.opera.com/Mac/12.10/en/private.html
37	Notes			Only for desktop and Android			Not available for mac	Built on chromium		Built on Firefox ESR (functionally identitical to Firefox for desktop. Just delayed). https://www.mozilla.org/en-US/firefox/organizations/ Deliberately ignoring Tor, which operates at the transport layer.
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