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Replace multiple words

Generate PHP code to convert date from one format to another

Generate password hash

Currency converter

Get time remaining and time spent

Generate sprites

Show location on Google maps from address or coordinates

Crop and save image

Get difference between 2 dates

Resize image without stretching

Count number of words in paragraph or article

Task Management and Hour Tracking
How it works:

Convert time in different timezone

Inventory Management System

Todo list