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You can use web tools which help your net life.
- Online mkpaswd tool
Make random password easily to avoid the risk using same password in different sites.
- Online string length checker
Sometimes you want to know the length of the string for the limitation of input and so on. You can use this tool for it.
- Your online environment checker
You can know what kind of information you are giving to the servers without notice.
- IP address info checker
You can get the result of nslookup and whois of the specified ip.
- Online stopwatch
You can use online multiple stopwatchs for time management for your study, work and so on.
- Youtube infinity loop player
You can loop youtube's movie infinitily and share the list with others just by pasting urls.