ToolZeno

Privacy Policy

Last updated: July 9, 2026 • Dedicated to developer privacy

1. Overview & Commitment

At ToolZeno, we understand that developers work with sensitive information—including database strings, system configuration details, cryptographic keys, structured JSON/XML payloads, and intellectual property. Your trust is paramount. This Privacy Policy details our offline-first architecture and explains why your data is inherently protected when using our utilities.

2. The 100% Client-Side Guarantee

No Transmission, No Collection, Pure Privacy.ToolZeno processes all of your computations (formatting, hashing, encoding, validating, converting, and searching) directly in your local browser sandbox.

  • Your input text, uploaded files, secret keys, or code snippets never leave your device.
  • No servers are invoked to compile, parse, or evaluate your inputs. Everything runs locally on your CPU using browser Javascript and the native Web Cryptography API.
  • You can safely run these tools even when disconnected from the internet (offline-first execution).

3. Information We Collect

Since all core logic runs in your browser, we do not require account registration, email verification, or subscription credentials.

What We DO NOT Collect

We never capture, log, inspect, or cache any developer inputs, keys, structured formats, passwords, regular expressions, or outputs.

What We Do Store (Locally)

Preferences such as theme configuration (light/dark mode) and layout choices are stored using standard browser localStorage to improve your experience.

4. Cookies & Advertisements

To support the operation of this free utility portal, we include Google AdSense advertising placeholders.

Third-party vendors, including Google, use cookies to serve ads based on your prior visits to ToolZeno or other websites. These cookies allow Google and its partners to serve ads that are relevant to you. You can opt out of personalized advertising by visiting Google's Ad Settings.

5. Website Traffic Analytics

We may use basic web analytics software to inspect aggregated user traffic patterns (e.g. tracking page views, bounce rates, and regional traffic).

This traffic telemetry strictly records anonymized data (such as truncated IP addresses, browser types, and language settings) and is never combined with or linked to tool inputs.

6. Changes to This Policy

We may update this Privacy Policy periodically to reflect shifts in browser security features or operational guidelines. Any changes will be posted on this page with a revised "Last updated" date. Since we do not collect emails, we recommend checking this page periodically.