The plain-language paperwork
Cookie policy
Small bits of browser storage. Sign-in and preferences. No advertising trackers in the app.
Last updated: September 22, 2026
What we use them for
Cookies are small values a website stores in your browser and receives on later requests. Local storage stays in your browser until cleared. Lingo uses these technologies to protect sign-in and remember choices you make. We do not currently load advertising or analytics trackers in the application.
Sign-in cookies
authjs.session-token keeps you signed in. On HTTPS it normally starts with __Secure-, and a large cookie may be split into numbered parts. Session cookies are issued with an eight-hour lifetime; Lingo also requires a new sign-in no later than eight hours after authentication, even if a cookie is refreshed.
authjs.callback-url remembers the sign-in destination. authjs.csrf-token helps prevent forged requests. These are browser-session cookies; some browsers restore them when restoring a session. Secure prefixes such as __Secure- or __Host- may appear in their names.
Temporary sign-in checks
The sign-in flow may use authjs.pkce.code_verifier and authjs.state to protect the exchange with Google. These expire after 15 minutes or are cleared when used. An authjs.nonce session cookie may also be used to check the sign-in response. Not every sign-in sets every cookie.
Your preferences
lingo-app-locale remembers the interface language you choose for up to one year.
sidebar_state remembers whether the navigation sidebar is open for up to seven days.
theme is a local-storage entry, not a cookie. It remembers your light or dark theme until you clear site storage or change the preference. These preferences are stored when you use the relevant controls.
Other services
Google and GitHub may set their own cookies when you visit them to sign in or connect a repository. Their cookie policies apply on their websites. Our hosting provider may also use security cookies for protective challenges or deployment access. Those are separate from the application cookies listed here.
If we add analytics or ads
We may use optional cookies or similar technologies to measure product use, understand interactions, measure simple ads, or prevent repeated display of the same ad. These are not currently installed in the application. Before introducing them, we will identify the applicable providers, purposes, and retention periods in this policy or the relevant privacy controls, and obtain consent where required. Refusing optional tracking will not block the core service. You will be able to change a consent choice through the controls provided at that time.
You’re in control
Use your browser’s site-data settings to inspect, block, or delete cookies and local storage for this site. Blocking sign-in cookies can stop login from working. Clearing preferences resets your language, theme, or sidebar choice.
We will update this page if storage changes. If we introduce optional tracking that requires consent, we will ask before enabling it. For personal-information requests, use the privacy contact below.
Questions?
Lingo is operated by Mango Technology Solutions LLC, Florida, United States. Contact us about this policy, your account, or a request:
Adapted from 37signals / Basecamp · CC BY 4.0.