Cookie policy
Last updated October 10, 2026
This page is available in English only.
Cookies and similar technologies (like your browser’s local storage) let a site remember things on your device. We keep them to a minimum: we use no analytics cookies, and the tools themselves need nothing beyond the preferences below.
What we use
| Name | Type | Purpose | Duration |
|---|---|---|---|
NEXT_LOCALE (cookie) | Necessary | Remembers the language you chose | 1 year |
bpe:theme, bpe:recent-tools, bpe:code-lang (local storage) | Preferences | Light/dark mode, your recently used tools, the code language in the API docs | Until you clear site data |
bpe:invoice-draft, bpe:receipt-draft, bpe:resume-draft, bpe:gpa-*, bpe:grade-*, bpe:cite-*, bpe:essay-*, bpe:cards* (local storage) | Functional | Saves work in progress in the invoice, receipt, résumé, GPA, grade, citation, essay and flashcard tools so it’s there when you return. Never sent to us. | Until you clear it in the tool or your browser |
sb-*-auth-token (local storage, developer dashboard only) | Necessary | Keeps you signed in to the developer dashboard (Supabase) | Until you sign out |
Cache storage and IndexedDB | Functional | Offline use of the site and the PDF, video and AI model files the tools download, so they load faster next time | Until you clear site data |
FCCDCF, FCNEC (cookies, Google) | Necessary | Store your consent choices from the privacy message | Up to 13 months |
__gads, __gpi, __eoi, IDE and similar (cookies, Google) | Advertising | Serve and measure ads, limit how often you see an ad, prevent fraud. Personalised ads only with your consent where required. | Up to 13 months |
Cloudflare Turnstile, which checks for bots when you start a server-based tool, doesn’t set tracking cookies. Stripe sets its own cookies only on its checkout and billing pages, under Stripe’s policy.
Advertising and your consent
Ads are provided by Google AdSense. If you are in the EEA, the UK or Switzerland, Google’s consent message (a certified consent management platform under the IAB Transparency & Consent Framework) asks before any cookies are used for personalised ads. If you decline, you may still see non-personalised ads, which use cookies only for frequency capping, aggregate reporting and fraud prevention. Learn more in how Google uses cookies in advertising.
Change your choices
You can change or withdraw your advertising consent at any time:
You can also delete cookies and site data in your browser settings at any time. Blocking necessary storage may stop some preferences from being remembered. More about how we handle data is in the privacy policy.