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Convert - Just about anything to anything!
Cambridge Dictionary - Best on the net with alternatives for miss spellings and audio for pronunciation.
Translate - Use Yahoo's Babel Fish to translate text. Cut & Paste your text to here and Bob's your uncle or better still Bob's il vostro zio
MemoPad - Found some useful text? Want to make a note to remind yourself? Paste up to 4000 bits of text or write a note and save it for up to 90 days.
UK Dialing Codes - All exchange No's.