Websites including TextEm.net, Txt2Day.com and SendSMSNow.com let users send free text messages from their Web browsers. To send a text message from TextEm.net, navigate to the website, enter the recipient's mobile phone number, his mobile carrier, a message of up to 155 characters and the characters in the security image.
Txt2Day.com allows users to send free text messages of up to 140 characters. On the website, enter the recipient's phone number, select the recipient's mobile provider, enter the message, and answer an anti-spam math question. Mark the checkbox to accept the terms of services of the website, and click the Send It button to send the message. Alternatively, sign up for a free account on SendSMSNow.com to send free text messages and receive text replies on this website.