To delete cookies in Internet Explorer select Tools, Internet Options. Under General, click Settings in the ‘Temporary Internet files’ area. Choose View Files to see your browser cookies and cached websites. Cookies are files starting with ‘Cookie:’. To delete one, simply right-click it and select Delete.
In Firefox, a button labelled Clear Private Data erases your personal info. To delete cookies, choose Tools, Options, select Privacy and click Cookies. To block third-party cookies used by ad networks, tick the ’for the originating Web site only’ option. To block or allow specific cookies, hit Exceptions and follow the prompts.
Like Firefox and IE, Opera allows you to control cookies one at a time. Choose Tools, Preferences, select Advanced, Cookies. Tick the ‘Delete new cookies when exiting Opera’ option to prevent the browser saving new cookies that sites create during that session. This prevents ad networks tracking your online movements.
To cover your tracks in Internet Explorer, press Ctrl, H to display the History pane. Right-click a day, week or domain and choose Delete to remove or Expand to display all pages. Right-click a page and choose Delete to clear it. To erase all History entries, choose Tools, Internet Options and click Clear History (under the General tab).
In Firefox, press Ctrl, H to view the History. To delete entries, choose a chronological or alphabetical hierarchy in the View menu. Browse to a domain, date or page, right-click it and choose Delete. To wipe out Firefox’s entire record of your browsing activity, choose Tools, Options, Privacy, History, Clear Browsing History Now.
To view Opera’s browsing history, press Ctrl, Alt, H. Right-click any unwanted items and choose Delete. To erase all entries choose Tools, Preferences, Advanced, History and click Clear next to the addresses field. To wipe your download history, press Ctrl, Alt, T. Right-click a downloaded file and hit Remove transfer or Remove all.
To clear IE’s cache, choose Tools, Internet Options and click Settings under the General tab. Select View Files to see what IE stored while you were browsing. Delete items there or, to wipe the cache, close the window, return to Internet Options, click Delete Files (under General), check Delete all offline content and click ok twice.
To clear Opera’s cached files, choose Tools, Preferences, Advanced, History, select ’Empty now’ next to ‘Disk cache’, and then click ok. Firefox doesn’t provide a way to view its cached files, but deleting them is easy: choose Tools, Options, Privacy, Cache, Clear Cache Now and finally ok.