"Log in" is a valid verb where "Login" is a valid noun. "Signin", however, isn't a valid noun. On the other hand, "Signup" and "Sign up" have the same relationship, and if you use "Log in", you'll probably use "Register" as opposed to "Sign up". Then there's also "Log on" and "Logon", and of course "Log off" or "Log out".
16 Matching Annotations
- Apr 2025
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ux.stackexchange.com ux.stackexchange.com
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- Nov 2024
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www.myenglishpages.com www.myenglishpages.com
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justpublishingadvice.com justpublishingadvice.com
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english.stackexchange.com english.stackexchange.com
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www.oxfordlearnersdictionaries.com www.oxfordlearnersdictionaries.com
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I logged in to my social media accounts.
Good example showing it's "in to" and not "into".
See https://english.stackexchange.com/questions/5302/log-in-to-or-log-into-or-login-to
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- Jan 2024
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grammarlyonline.com grammarlyonline.com
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grammarist.com grammarist.com
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- Nov 2023
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developers.google.com developers.google.com
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"Sign up with Google"
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docs.cypress.io docs.cypress.io
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logIntoMicrosoft
I think
logInToMicrosoftwould be slightly better, but this is surely much better than the completely incorrectloginToMicrosoft -
loginTo
Incorrect. Should be
logInToorlogInto, same as it is in the other functions,logIntoMicrosoft, ...
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www.grammarly.com www.grammarly.com
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set [x] up
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- Mar 2023
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dictionary.cambridge.org dictionary.cambridge.org
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build something in/into something phrasal verb with build verb
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www.reddit.com www.reddit.com
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You can also find the combination verb+in+to, but in that case you're usually dealing with a phrasal verb consisting of a verb and the particle "in", which happens to be followed by the preposition "to".They wouldn't give in to our demands.
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"Built in to" appears when you use the phrasal verb "build in" followed by an infinitive, but that is not what you are trying to do in your sentence.There's an electronic switch built in to stop all data transfers.
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