Hash text with hash()-function

Read EXIF-data from JPEG-image

Decode characters to HTML-entities

Validate Finnish personal ID

Show your screen resolution and color depth

Decode URLs with urldecode()

Convert GPS-coordinates

Direction and Distance from A to B

Please insert coordinates in decimal format to show point of the compass
and distance from coordinates A to coordinates B:

  Point 1 latitude:
  Point 1 longitude:
  Point 2 latitude:
  Point 2 longitude: