With the converter you can change the size of your GIF images online or via e-mail.
Protect your data – go to the encrypted site: https://www.konwerter.net/en/graphics/
Alternatively, you can convert your files via e-mail. Read more.
Click in the link: gif resize or perform the following steps:
1. Create a new message and address it to: firstname.lastname@example.org
2. Enter the subject: gif widthxheight
3. Add one or many attachments
4. Send the message
gif 200x100 gif 256x256 gif 640x480 zip
If you need more security, use PGP encryption http://www.konwerter.net/pgp-encryption/