Legal

Cookies policy.

This page is maintained by Surplus to explain how and why we use cookies and similar technologies. It is app-owned content and should be reviewed regularly as tooling and regulations change.

Last updated: 18 July 2026.

What are cookies?

Cookies are small text files placed on your device when you visit a website. They store information about your preferences, session, or browsing behaviour. We also use similar technologies such as local storage, session storage, and pixels where they serve the same purpose.

What we use

We keep our cookie use minimal. Below is a summary of the categories of cookies and similar technologies you may encounter on this site. Only the first category is strictly necessary; the others are optional and require your consent under EU law.

Strictly necessary

Always active
Purpose
Required for the site to work — authentication, session state, security, and load balancing. These cannot be switched off without breaking the service.
Examples
Session tokens, CSRF tokens, auth state.
Duration
Session to 30 days.

Functional

Consent required
Purpose
Remember choices you make so the experience fits your workspace — language, region, accessibility preferences, and feature flags.
Examples
Region selection, theme preferences.
Duration
Up to 1 year.

Analytics & performance

Consent required
Purpose
Help us understand how visitors use the site so we can improve it. We use privacy-first tools where possible and do not sell this data.
Examples
Page views, error rates, feature usage.
Duration
Up to 13 months.

Marketing

Consent required
Purpose
Used to measure the effectiveness of our campaigns and to limit repetitive messages. We do not run third-party ad networks on the site.
Examples
Campaign referrer, conversion tracking.
Duration
Up to 90 days.

Third-party services

Some parts of the site rely on trusted sub-processors. Each has its own cookie and privacy policy. We list them here so you can review their practices.

ServiceWhy we use itPrivacy policy
CloudflareSecurity and CDN performance.www.cloudflare.com/privacypolicy/
SupabaseAuthentication and backend data services.supabase.com/privacy
PostHog / Plausible (privacy-first analytics)Product analytics and usage patterns.posthog.com/privacy

Managing your preferences

You can update your cookie choices at any time via the cookie banner or your browser settings. Withdrawing consent does not remove cookies that were set previously, but it stops new optional cookies from being placed. You can also clear existing cookies from your browser.

aboutcookies.org and youronlinechoices.eu provide independent guidance on how to manage cookies across major browsers.

Changes to this policy

We may update this page as our tools or legal obligations change. The latest version will always be available here, and we will update the effective date when material changes are made.

Contact us

If you have questions about cookies or your data, please email privacy@withsurplus.com.

We use cookies to keep the site secure, remember your preferences, and understand how Surplus is used. You can choose which cookies you accept.

Read more in our Cookies Policy.