Birthday reminder web site has a lot of greeting cards and the user has the option to select the greeting card and send it to their dear and loved ones. The user can also enter the date on which the birth day comes and set a reminder in the web site. The free email cards birthday will be sent to the recipient on that particular day automatically. This is a very good service to keep in touch with the friends and dear ones. The free email cards birthday can also be downloaded from such web sites. There are various birthday cards in gif format and other animations are also present. There will be a greeting card and on clicking the card, the card gets opened and the message happy birthday appears in sparkling manner. In this style, there are a lot of flash animations that can be sent as an attachment in the e mail to the recipient.

The flash greeting cards are attractive as they are full of animation. This flash executable file is compatible in almost all computers. These can be downloaded and played as a stand alone file. Normally a JPG greeting card will come in the range of 100 kilo bytes or even lesser. These files can be easily attached in the e mail and sent to the recipient. In the case of flash files, the file size is large and the file size may even go up to a few mega bytes. Hence attaching these flash files will be a problem in the case of slow internet connections and will take a long time to send. In some cases, the free email cards birthday in the flash format do not get attached and the e mail cannot be sent.

In the case of fast internet connections, the file gets attached but there are certain drawbacks in sending the flash files. The recipient has to download the flash file and see it, if this takes a long time, the recipient will get bored and cancel the download. In the case of the JPG and other picture free email cards birthday, the attachment can be seen below the message and there is no need for downloading the file. The picture files can be viewed while opening the message and this is a better option to send the greeting. E mail messages and greetings are fast and reach the recipient in a fast manner.