v1.0 Now with Gemini & OpenAI Support

The AI-Powered UX Auditor
that lives in your browser.

Stop guessing. Automatically detect Nielsen’s 10 Heuristic violations, visualize UX debt with heatmaps, and fix code instantly with AI precision.

Install Extension

your-client-site.com

#8 Contrast

#4 Consistency

Audit Results

12 Issues

Contrast Error (#8)

Text contrast ratio is 2.1:1.

Consistency (#4)

Inconsistent styles.

Why manual audits are killing your profitability

Stop spending hours documenting simple CSS errors.

The Old Way

Slow: 4-6 hours to audit a single landing page.
Subjective: "I think this looks weird" isn't actionable data.
Messy Deliverables: Ugly spreadsheets clients ignore.

The HeuristiCheck Way

Instant: Full DOM scan in under 2 seconds.
Objective: Based on WCAG & Nielsen Norman Standards.
Actionable: Gives you the exact CSS/HTML fix to copy-paste.

More than just a checklist

A complete toolkit for modern UX engineering.

Smart AI Remediation

Don't just find bugs, fix them. HeuristiCheck analyzes the DOM node and uses LLMs to generate clean code.

Interactive Heatmaps

Visualize usability friction. Our overlay highlights high-density error zones directly on the page.

White-Label Reports

Generate professional PDF and CSV reports in one click. Branded for agencies.

Privacy First Architecture

Your data never leaves your browser. Your API keys are stored in local storage.

3 Steps to a Perfect UX

Scan

Navigate to any URL and click the extension icon to instantly analyze the DOM.

Resolve

Review heuristic violations and use the "Magic Wand" to generate code fixes.

Export

Download the agency-ready PDF report and send it to your team or client.

The AI-Powered UX Auditor that lives in your browser.