Free portable identity file standard and hosting service that lets you define who you are and how AI tools may use your identity in a structured markdown file.
identity.txt has 1 plan: a free plan. We have not recorded a price change.
identity.txt plans and prices
Free
$0
Identity file — A portable identity file that tells AI tools who you are, how you think, and on what terms.
Markdown format — An identity.txt file is a markdown file.
Self-hosting options — Host the file at yourdomain.com/identity.txt.
Sharing capabilities — Easily shareable with your favourite AI tools.
Google login authentication — Authenticate with a Google login.
Cross-referencing profiles — List your profiles in the file.
Link sharing — Link back from those profiles.
Permanent URL option — Sign in with Google to host your identity.txt.
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Trust signal matching — A match between the name in your file and your authenticated account name is a stronger trust signal.
Local unhosted files usage — Paste one into any AI tool and it works immediately.
Single portable identity — A single portable file that captures who you are, how you write, what you know, and on what terms AI tools can use that information.