🛡️ Trust, Privacy & Advertising Compliance

Privacy Policy & Cookie Disclosure

Last Updated: • Worldwide Compliance (Japan APPI, EU GDPR, US CCPA/CPRA, Google Ads & AdSense)

Privacy Summary at a Glance

  • Client-First Architecture: By default, your note content, formatting, and drafts are stored directly in your web browser's localStorage. We never read or sell your personal notes.
  • Google Ads & Advertising Transparency: We comply with Google Ads and AdSense policies. Third-party vendors including Google use cookies to serve ads based on your visits. You can manage or revoke ad personalization at any time.
  • Japan External Transmission Disclosure (外部送信規律): In accordance with Japan's Telecommunications Business Act, external services (Google Tag / Analytics / Ads) and transmitted parameters are fully disclosed below.
  • Global Rights (GDPR & CCPA): You have the right to access, delete, export, or opt-out of cookies and data sharing at any time without penalty.

1. Introduction

Welcome to Memocho ("we," "our," or "us"), available at usememocho.com. We believe in crafting delightful, calm, and private software. This Privacy Policy outlines how Memocho collects, uses, protects, and discloses information when you use our website, online notepad web application, and related services worldwide.

By accessing or using Memocho, you acknowledge and agree to the data practices described in this policy. If you do not agree, please discontinue using our service or adjust your cookie preferences.

2. Information We Collect

We deliberately minimize data collection to provide a fast, secure, and enjoyable writing environment:

📝

Local Note Content

Your note titles, text, formatting styles, and timestamps. In guest mode, this data resides exclusively inside your device browser and never leaves your computer or phone.

⚙️

User Preferences

Your selected stationery theme (dark/light mode), paper style (lined, grid, dotted, blank), font family, font size, doodle wallpaper, and cookie consent preferences are stored in local storage.

☁️

Account Data (Optional Cloud Sync)

If you optionally choose to sign in with Google for multi-device cloud synchronization, we receive your email address, display name, and avatar URL via Google OAuth to authenticate your account.

🌐

Technical & Device Data

Standard server request information such as IP address, browser type, operating system, referring URL, and approximate geolocation (country/timezone) to deliver localized language experiences.

3. Google Ads, AdSense & Third-Party Advertising Policy

Memocho may display online advertisements provided by Google (Google AdSense / Google Ads network) or conduct advertising campaigns on Google:

  • Third-Party Vendor Cookies: Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to this website or other websites on the Internet.
  • Advertising Cookies: Google's use of advertising cookies enables it and its partners to serve ads to our users based on their visit to Memocho and/or other sites across the World Wide Web.
  • Personalized vs. Non-Personalized Ads: Depending on your geographic region and cookie consent choices, ads may be personalized or non-personalized. Non-personalized ads do not use cookies for ad personalization, though they may still use cookies to measure ad frequency, aggregated reporting, and fraud prevention.
  • Opt-Out of Personalized Advertising: Users may opt out of personalized advertising by visiting:

4. Japan: Telecommunications Business Act & APPI Compliance (電気通信事業法 外部送信規律・個人情報保護法)

In compliance with the Japanese Telecommunications Business Act (外部送信規律 / External Transmission Regulations) and the Act on the Protection of Personal Information (個人情報保護法 - APPI), the following external tools and data transmission destinations are disclosed:

Service Name / ProviderTransmitted InformationPurpose of UseOpt-Out / Privacy Policy
Google Tag / Google Ads
Google LLC
Device identifier, IP address, browsing activity, conversion attribution dataMeasuring ad campaign effectiveness, conversion tracking, and showing relevant adsGoogle Privacy / Opt-Out
Google AdSense
Google LLC
Cookie IDs, device information, ad click/view interactions, IP addressServing digital advertisements, fraud prevention, and performance reportingGoogle Ads Policy
Google Fonts
Google LLC
IP address, HTTP request headers (font downloads)Serving Japanese and international typography without user trackingFonts Privacy
Supabase
Supabase Inc.
Encrypted note data, OAuth user ID (when signed in)Database storage and multi-device cloud synchronizationSupabase Privacy

5. Cookies and Local Storage Management

You have full control over the cookies and storage technologies used on Memocho. We support Google Consent Mode v2, ensuring advertising and analytics cookies only activate when consented.

🍪 Manage Your Cookie Preferences

You can change your consent preferences (Essential, Analytics, and Advertising) at any time:

Storage Key / CookieCategoryPurpose
memocho_notes_data_v2Strictly NecessaryStores offline notes, drafts, and rich-text formatting locally in your browser.
memocho_settings_v2Strictly NecessaryRemembers your theme (light/dark), doodle wallpaper, font choice, and paper style.
memocho_cookie_consent_v1Strictly NecessaryRemembers your cookie and privacy consent choices across visits.
sb-*-auth-tokenStrictly NecessaryEncrypted JWT session token for Supabase cloud sync (when signed in).
_ga, _gid, _gatAnalytics (Optional)Aggregated website performance analysis (requires consent).
__gads, IDE, DSIDAdvertising (Optional)Google Ads & AdSense ad delivery, frequency capping, and conversion tracking.

6. European Union (EU/EEA) & United Kingdom (UK GDPR)

If you reside in the European Economic Area (EEA) or the United Kingdom, you have rights under the General Data Protection Regulation (GDPR) and UK Data Protection Act 2018:

  • Lawful Bases for Processing: We process data based on Consent (for analytics and advertising cookies) and Legitimate Interests / Contract Performance (for providing core notepad features).
  • Right to Access & Portability: You can export your notes in .txt, .md, or .html formats anytime.
  • Right to Rectification & Erasure: You can edit or delete any note instantly, or request account data purge.
  • Right to Withdraw Consent: You can revoke your cookie consent at any time via the "Open Cookie Preferences" button above.
  • Supervisory Authority: You have the right to lodge a complaint with your local data protection authority.

7. United States & California Privacy Rights (CCPA / CPRA)

Under the California Consumer Privacy Act (CCPA) as amended by the California Privacy Rights Act (CPRA), California residents are entitled to specific disclosures:

  • No Sale of Personal Information: We do not sell your personal notes or contact details for monetary payment.
  • Sharing for Cross-Context Behavioral Advertising: Third-party ad cookies may be classified as "sharing" under California law. You may opt out anytime by declining advertising cookies in our Cookie Preferences.
  • Right to Know & Delete: You have the right to request what personal information we collect and request deletion.
  • Non-Discrimination: We will never discriminate or degrade service quality against you for exercising your privacy rights.

8. Children's Privacy (COPPA & Global Standards)

Memocho is a general audience productivity tool and is not directed to children under the age of 13 (or under 16 in the EEA). We do not knowingly collect personal data from children. If you believe a child has provided us with personal data, please contact us immediately for deletion.

9. Security & Cloud Protection

All data in transit is encrypted using modern Transport Layer Security (TLS 1.3 / HTTPS). Cloud-synced data is secured using PostgreSQL Row-Level Security (RLS) policies, ensuring that each authenticated user can only access their own private records.

10. Contact Us Regarding Privacy & Data Rights

If you have questions, inquiries, or data subject requests regarding this policy, please contact our team: