Where your text goes, and when
Most of the checking happens on your own device. Pick a moment below to see exactly what leaves it, and where it goes.
About 1 second after you stop typing
Your browser
- Editor
- Instant checker
- Autosave
Our server
- Sign-in and limits
- Grammar check
- Rewrite
- Documents
Outside services
- Language model
- Short-term memory
- Database
Editor · your browser
You stop typing for a moment. We pick out the paragraph you were just in.
Sent: one paragraph
Sign-in and limits · our server
Our server makes sure it is really you, and that nobody is sending requests too fast.
Sent: your session cookie
Short-term memory · outside services
Have we checked this exact paragraph recently? If so, the saved answer comes straight back and nothing else happens.
Sent: a fingerprint of the paragraph
Grammar check · our server
If not, we get the paragraph ready, along with your style rules.
Sent: this paragraph + your style rules
Language model · outside services
The language model suggests a few small edits.
Sent: the same paragraph
Grammar check · our server
We check every edit against your actual text, and throw away any that do not fit.
Sent: edits only
Editor · your browser
What is left shows up as underlines. You accept or dismiss each one.
Sent: suggestions
The whole document is never sent for checking.