Opera vs Tor Browser

The built-In adblocker is faster than any extension. It's possible to add your own filter lists. However, the adblocker isn't enabled by default.

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You can pop-out any video and it will stay on top while you are surfing on other tabs.

Since Opera is built on Blink, the same engine Chromium is built on, it was possible for Opera developers to allow Chrome extensions to run in their browser.

Opera scores highly on HTML5 feature support.

Opera has a functionality called Turbo which increases browsers speed and reduces data consumption considerably by compressing the data that's found in a web page.

Unlike other browsers, you can install add-ons such as tabs, bookmarks, history, sessions, notes, and extension manager in the sidebar. So you have the flexibility to use it for your purpose.

Opera Sync allows you to synchronize your bookmarks, passwords, and more from any computer, phone, or tablet.

Opera is full of user controlled settings. Everything can be imported and exported even RSS feeds. It can be skinned in a variety of different themes or it can be extended through the use of a large number of plugins available.

Opera supports cross-browser extensions. Opera Addons site keeps quality up compared to Chrome Store. Full of useful extensions, Opera also supports extra APIs like Speed Dial API, Extension Sidebar API and Stash API meaning wider variety of extension possibilities than in Chrome.

Opera's Speed Dial (new tab page) has the ability to hold as many websites as you want, and you can customize it almost however you want. You can also organize the websites on the Speed Dial into folders.

Source code available on GitHub.

Scores top on Basemark.

You can save the Opera's setup files on a USB hard drive and run its portable version anywhere.

Opera got Reborn UI as the first implementation from Opera Neon concept browser. Snap -feature is next. Opera constantly improves its basic functionality - unlike Chrome.

It doesn't consume much RAM, unlike Chrome.

Just highlight price on a website and see this price in your currency.

Opera loads videos faster, making it useful for slow internet connections.

If you follow their instructions religiously, Tor is the nec plus ultra in terms of safety and privacy. For the time being at least.

Can be installed and run on a portable device such as a USB stick.

Privacy. It's fundamental. And this browser has enabled and keeps enabling people to lookup things they don't want their ISP/ government or surveillance marketers to see.
And what's better they won't know a thing about what you searched.
What is visible to the outside world however is the fact: you make use of TOR and probably the TORBrowser this client / citizen of ours is using TOR to obfuscate his /her traffic (=~anonymize ).