Privacy Policy

Effective date: 2026-04-02

diffvoid.com is a secure browser-based text comparison tool. We do not run ads, we do not use analytics, and we do not sell personal data. Your text never leaves your browser.

Summary

No trackers / analytics: We do not use third-party analytics scripts, tracking pixels, or advertising beacons.
No accounts: There is no login and no user profile.
Local processing only: All text comparison happens entirely in your browser. Your text is never sent to any server.
Optional local storage: Your theme preference is stored locally in your browser and never sent to a server.

What information we collect

We do not intentionally collect personal information (such as your name, email address, or precise location) through the diffvoid.com app itself. We also do not collect or store the text you compare.

Local device storage

The app stores your preferences locally in your browser using Local Storage. The following key is used:

diffvoidcom_theme - color theme preference ("dark" or "light")

This data never leaves your device. You can clear it at any time via your browser's site data settings.

Text processing

All text comparison is performed entirely in your browser using JavaScript. Your text is never uploaded to, stored on, or processed by any server. This is a core privacy feature of diffvoid.com.

Hosting/provider logs

diffvoid.com is hosted on Cloudflare Pages. Cloudflare may process standard server/edge request data (such as IP address, user-agent, request path, timestamps, and similar operational metadata) in order to deliver the site, protect it from abuse, and operate the service.

We do not add trackers on top of that, and we do not use these logs for advertising or selling data.

Open source verification

The project is open source, and you can verify the behavior described above in:

public/index.html - UI structure
public/script.js - comparison logic (runs entirely client-side)
public/style.css - styling

Repository: github.com/timoheimonen/diffvoid

Contact

If you have privacy questions, contact:

Timo Heimonen - timo.heimonen@proton.me