Designer's
Little Helper
The ultimate browser design toolkit. 12 professional tools for pixel-perfect web design, right in your Chrome browser.
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Watch how Designer's Little Helper transforms your design workflow
12 Professional Tools
Everything you need to inspect, measure, and perfect your web designs
Grid Overlay
Customizable grid overlay with 8 presets for pixel-perfect alignment. Columns, rows, baseline grids with adjustable colors and opacity.
Ctrl+Shift+GEdit Text
Direct content editing on any webpage. Modify text in real-time with visual highlights for rapid design prototyping and testing.
Ctrl+Shift+EMark & Measure
Precise pixel measurements with snap-to-element. Annotate, screenshot, and export measurements for design handoffs.
Ctrl+Shift+MRuler & Guides
Edge rulers with draggable guides and custom origin points. Create horizontal and vertical guides for consistent pixel-perfect alignment.
Ctrl+Shift+RLayout Inspector
Analyze Flexbox, Grid, Box Model, spacing, and outlines. 5 inspection modes for complete layout structure visualization.
Ctrl+Shift+LState Visualizer
Visualize CSS states like :hover, :focus, and :active. Live state tree with change tracking and debug mode.
Ctrl+Shift+SVision Simulator
Simulate 8 types of color vision deficiencies in real-time. Ensure your designs are accessible to all users.
Ctrl+Shift+VContrast Inspector
WCAG 2.2 contrast compliance scanner. Auto-scan pages, check color ratios, and get fix suggestions for accessibility.
Ctrl+Shift+CType X-Ray
Font detection, typography analysis, and hierarchy overview. Extract complete typographic information from any element.
Ctrl+Shift+TResponsive Tester
Test across 20+ device presets. iPhone, iPad, Android, and custom viewports with portrait and landscape modes.
Ctrl+Shift+PCSS Inspector
Inspect live computed styles, CSS variables, and inherited properties. Copy any CSS value to clipboard with one click.
Ctrl+Shift+IColor Picker
Eyedropper tool with color harmonies, history, and palette management. Pick any color from the page and explore variations.
Ctrl+Shift+KBuilt for Professionals
Designed with attention to detail, just like you design
Keyboard Shortcuts
Every tool accessible via keyboard shortcuts. Work faster without leaving your keyboard.
Dark Theme
Polished dark interface that matches your browser's dev tools. Easy on the eyes during long sessions.
WCAG 2.2 Compliance
Built-in accessibility tools ensure your designs meet WCAG 2.2 AA and AAA standards.
Draggable Panels
Dock panels to edges or float them anywhere. Your workspace, your way.
Persistent Settings
Your preferences and tool states are saved automatically. Pick up right where you left off.
Zero Performance Impact
Lightweight overlay rendering. No page modifications, no slowdowns. Your pages stay fast.