TOEFL stands for Test of English as a Foreign Language. It is a standardized test to measure the English Language ability with a pre defined syllabus. This exam is required by most US and Canadian university to prove proficiency (especially for international students coming from countries where English is not native language) in English. It measures your listening, writing, reading and speaking skills to perform academic tasks in English. Many universities in Europe and other countries also accept TOEFL. 

More than 10,000 colleges in 100+ countries accept TOEFL.

There are two formats for the TOEFL test. The format you take depends on the location of your test center. Most test 

takers take the TOEFL iBT test (iBT stands for Internet Based Test). Test centers that do not have Internet access offer the Paper based Test (PBT).