Checks a password's strength based on length and character variety, entirely offline.

Toggle browser spellcheck on or off for all text inputs with visual indicator and per-site memory.

Display real-time character and word counts for text inputs with limit warnings and color indicators.

Auto-expand textareas to fit content as you type with configurable height limits and per-field memory.

Add a toggle button to password fields to reveal or hide text with persistent state and keyboard shortcuts.

Boost HTML5 video and audio volume beyond normal limits up to 200% with per-site memory and visual feedback.

Zoom in on images by hovering with adjustable zoom level, preview size, delay, and magnifier effect.

Adjust video subtitle and caption font size with a slider, presets, and per-site memory for better readability.

Freeze CSS animations, transitions, and JavaScript animations with pause, resume, and step-through controls.

Check WCAG text contrast ratios by clicking any element, with visual highlighting for failures and compliance analysis.

Scan images for alt text and highlight missing or empty alt attributes.

Add a floating button to smoothly scroll to the top with customizable position, size, and color.

Detect and block flashing, strobing content with adjustable sensitivity.

Scrolls the page for you at a speed you set, so you can read without touching anything.

Auto-scroll pages at configurable speed for hands-free reading with play/pause and progress tracking.

Check link text for clear purpose and highlight ambiguous links like "click here".

Highlight focused elements with custom outlines for better keyboard navigation.

Preview how a screen reader reads web pages with text extraction and speech synthesis.

Detect focus traps on web pages and highlight elements that trap keyboard navigation.

Add a keyboard-accessible skip link to jump directly to the main content.

Toggle text spacing to meet WCAG 1.4.12 compliance with customizable values.

Reduce animations, transitions, and scrolling effects for better accessibility.

Customize video captions and subtitles with font, color, size, and opacity settings.

Swaps any page's text into a font designed to be easier to read for dyslexic readers.