Element
element.io
End-to-end encrypted group chat in a browser tab, on the open Matrix network
joopz.com
Sent and received real SMS from a browser tab.
Use Element instead
End-to-end encrypted group chat in a browser tab, on the open Matrix network. Encryption key management is the rough edge — lose your recovery key on a new device and old messages stay permanently unreadable.
Open ElementJoopz gave you a web interface to text message conversations at a time when typing on a phone keypad was genuinely painful, including scheduled and group sends. Smartphone keyboards and then carrier-provided web messaging removed the need, and the service closed.
Questions
No. Joopz is no longer running and joopz.com does not serve the tool any more. Element is the closest current equivalent — it end-to-end encrypted group chat in a browser tab, on the open Matrix network.
Yes. Joopz sends your input to its own servers to process it. That is fine for public material; for anything containing personal data, use one of the on-device tools instead.
No longer operating; message history was not exportable.
Alternatives
Same category or same task, ordered by how closely they overlap.
element.io
End-to-end encrypted group chat in a browser tab, on the open Matrix network
formspree.io
Gives a static site's contact form somewhere to POST that emails you the answers
toolbox.googleapps.com
Paste raw email headers and see every hop, the delay at each, and the auth results
mail-tester.com
Send one email to the address it gives you and get a spam score out of ten
mailerlite.com
Sends a newsletter to a small list on a free tier that does not expire
mailinator.com
Any address at mailinator.com already has an inbox you can read without signing up