Exploratory Tester Get the Test Report Before You Start Testing
Free plugin that automatically performs exploratory and accessibility testing in the background on any webpage, generating thorough reports with identified issues and screenshots.
Available Across All Major Browsers
google Chrome
Edge
Opera
available at chrome store
Fire Fox
not available
Chromium
available at chrome store
Brave
available at chrome store
Torr
not available
Safari
not available
How It Works
Start finding bugs in 3 simple steps
Install Extension
Add Exploratory Tester to Chrome from the Web Store. It's completely free — no account required.
Browse Normally
Visit any website. 20 tests run automatically in the background. Customize which tests to run from Settings.
Review & Export
Click the extension icon to see all issues. Export as HTML, Word, or PDF. Download screenshots as ZIP.
Powerful Features for QA Teams
Everything you need to catch bugs before your users do
Auto-Run on Page Load
Tests run automatically when you visit any page. No clicking required. Just browse and let the extension find issues in the background.
Smart Screenshot Capture
Automatically captures screenshots of every error with the problematic element highlighted. Download all screenshots as a ZIP with one click.
Export Reports (HTML, DOC, PDF)
Generate professional reports with direct download buttons. Share findings with your team as HTML, Word, or PDF — all in one click.
API & Network Monitoring
Intercepts Fetch & XHR requests in real time. Detects 4xx/5xx errors, slow API responses (>3s), and failed network requests automatically.
Customizable Test Categories
Choose exactly which tests to run with per-category checkboxes. Enable or disable any of the 20 test categories from the Settings panel.
New3-Layer Spelling Check
Catches 150+ common misspellings, 100+ informal abbreviations (like "abt", "pls", "thru"), and suspicious words with no vowels on your pages.
NewURL Whitelist / Blacklist
Control exactly which sites the extension runs on. Add, edit, or remove URLs with built-in validation. Supports wildcards, localhost, and IP addresses.
Dark Mode & Themes
Choose between Light, Dark, or System (Auto) themes. Every element — settings, modals, coverage bars, screenshots — adapts perfectly.
NewPerformance Timing & Coverage
See per-test execution time with color-coded indicators, overall test coverage percentage (max 100%), and configurable timeout (15s to no limit).
Click-to-Locate Elements
Click any test result to locate and highlight the problematic element on the page with a purple pulsing border. Jump straight to the issue.
Real-Time Badge & Stop Button
Toolbar icon shows error count instantly and animates while testing. Stop tests mid-run to see partial results on heavy pages.
First-Time Onboarding
New users get a friendly guided walkthrough explaining whitelist/blacklist, test categories, and how to read results. Shows only once.
20 Automated Test Categories
Comprehensive testing coverage across forms, UI, content, and network — select which tests to run
Test Smarter
Customizable Test Categories
Select which of the 20 test categories to run with checkboxes. Organized into 3 groups with Select All / Deselect All controls.
3-Layer Smart Spelling Check
150+ misspellings, 100+ informal abbreviations ("abt" → "about"), suspicious word detection. 1500+ valid words whitelist to avoid false positives.
Edit URLs in Whitelist / Blacklist
Inline edit button for each URL with full validation. Supports wildcards, localhost, and IP addresses with helpful error messages.
Dark Mode & Theme Selector
Light, Dark, or System (Auto) theme. Every UI element adapts using CSS variables — settings, modals, coverage bars, onboarding.
Dedicated Test Timeout Setting
Timeout now has its own section with description. Choose 15s, 30s, 60s, 2 min, or no limit.
Fixed Coverage & Version Display
Test coverage accurately shows max 20/20 categories, capped at 100%. Version number displayed in footer, synced from manifest.
Start Finding Bugs Today
Join QA professionals who use Exploratory Tester to catch issues before users do. Free forever, no account needed.
Add to Chrome — Free Forever