Privacy Policy
Last updated: 2026-06-23
1. Overview
DevTools (hambogi.uk and dev.hambogi.uk) is a collection of free online tools for developers. We do not collect or store personal information on our servers. All tool processing occurs entirely within your browser.
2. Information We Collect
We do not collect personally identifiable information (name, email, phone number, etc.). However, we do collect the following non-identifying data to operate the site and improve our services.
- Pages visited, session duration, click events (Google Analytics)
- Browser type, operating system, screen resolution
- Country and language settings
- Ad impressions and clicks (Adsterra, and future Google AdSense)
3. Cookies
Our site uses cookies for the following purposes.
| Cookie | Provider | Purpose |
|---|---|---|
| _ga, _gid | Google Analytics | Visitor analytics |
| NEXT_LOCALE | DevTools | Language preference (ko/en) |
| Ad cookies | Adsterra / AdSense | Ad personalization and frequency capping |
You may refuse or delete cookies in your browser settings; however, some features may be limited as a result.
4. Advertising
Our site is supported by advertising revenue. We currently use the Adsterra ad network and plan to add Google AdSense in the future. Ad providers may use cookies and similar technologies to serve interest-based ads.
Ad-related external domains: effectivecpmnetwork.com, highperformanceformat.com, googletagmanager.com, googlesyndication.com
5. Third-Party Services
- Google Analytics: Used for visitor analytics. Google Privacy Policy: policies.google.com/privacy
- Adsterra: Ad network. Adsterra Privacy Policy: adsterra.com/privacy-policy
- Vercel: Hosting and performance analytics. Vercel Privacy Policy: vercel.com/legal/privacy-policy
6. Data Security
All tool processing (JSON, Base64, hashing, etc.) happens entirely in your browser and is never transmitted to our servers. Input data you enter is not stored.
7. Applicable Law
This privacy policy complies with the Korean Personal Information Protection Act (PIPA) and GDPR (EU General Data Protection Regulation) standards.
8. Contact
For questions about this privacy policy or our data practices, please contact us at:
9. Policy Changes
This policy may be updated as needed. Changes will be posted on this page with an updated 'Last updated' date at the top.