Accessibility Tools - Inclusive Design

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Accessible Name & Description Inspector – Generate Aria Labels

Enter a visual UI element and the tool suggests proper aria‑labels and descriptions. Learn to write meaningful text for screen readers.

Accessibility accessibility aria screen reader

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Advanced Color Contrast Matrix – Test All Pairs in Palette

Paste a list of hex colors and see a grid showing the contrast ratio for every combination. Instantly identifies which pairs pass WCAG AA/AAA.

Accessibility checker contrast matrix WCAG

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Live Website Color Blindness Simulator – Enter URL

Enter any live URL and view it through eight different color vision deficiency filters. Identify contrast issues and improve your site’s accessibility.

Accessibility accessibility color blindness live simulator

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ARIA Label Checker – Online Paste HTML Search for Missing Labels

Paste HTML snippet and highlight interactive elements missing accessible labels. Quick a11y audit.

Accessibility ARIA label validator

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Focus Indicator Designer – Online CSS Outline Generator

Visually design a custom :focus‑visible outline style. Copy the CSS. Better than the default.

Accessibility CSS focus outline

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Gradient Text Contrast Checker – Online WCAG Over Background

Type text and set a gradient, then check contrast against a solid background. Ensure readability.

Accessibility accessibility contrast gradient

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Live Page Color Blindness Check – Online Enter URL

Enter a website URL and apply a protanopia/deuteranopia/tritanopia filter. Test full page accessibility.

Accessibility color blindness filter URL

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Accessible Color Contrast Matrix – Online Paste Palette & Check

Paste hex colors, generate a contrast matrix against each other. Identify failing pairs for WCAG.

Accessibility accessibility contrast matrix

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Keyboard Accessibility Tester – Online Check Tab Order

Paste HTML snippet and see calculated tab order. Identify missing focusable elements. A11y helper.

Accessibility a11y keyboard navigation

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Colored Overlay Simulator – Online Tinted Reader

Apply a color tint overlay over text to see if it helps reading comfort. Trial for visual stress.

Accessibility colored overlay reading tint

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Hex Contrast Grid – Online Test All Pair Combinations

List up to 10 colors and generate a contrast ratio matrix. See which pairs pass WCAG quickly.

Accessibility color contrast grid hex

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Tab Focus Order Checker - Online Visualize Tab Navigation Flow

Paste HTML and see the order in which elements would receive focus via Tab key. Highlight issues. Local accessibility testing.

Accessibility a11y focus order tabindex

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Screen Reader Text Preview - Online See Hidden A11y Labels

Enter HTML with aria-labels and see what a screen reader would announce. Simulates common patterns. Local educational tool.

Accessibility a11y preview screen reader text

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Colorblind-Safe Palette Builder - Online Check & Generate Schemes

Build a palette and simulate how it appears to various color deficiencies. Also generate pre-vetted accessible palettes. Local processing.

Accessibility accessible colorblind palette

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Text to Braille Converter - Online Grade 1 & 2 English

Convert English text to Braille (Grade 1 and simple Grade 2 contractions). Educational tool to understand Braille representation. Local only.

Accessibility accessibility braille converter text

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Image Alt Text Linter - Online Check Missing & Redundant Alts

Paste an HTML snippet and get a report on missing, empty, or suspicious alt texts. Improve your image SEO and a11y.

Accessibility accessibility alt text linter SEO

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aria‑hidden Conflict Finder - Online A11y Audit

Paste HTML and detect elements with aria‑hidden='true' that contain focusable children. An easy a11y win to fix.

Accessibility a11y aria‑hidden audit conflict

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Dialog Focus Manager Demo - Online A11y Trap & Restore

Open a modal and see how focus is trapped and restored. Copy the lightweight focus‑trap code. Accessible pattern.

Accessibility a11y demo dialog focus trap

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WCAG Safe Palette Builder - Online Accessible Color Sets

Start with a base color and generate an extended palette where every shade contrasts properly with white and black. Export tokens.

Accessibility accessible builder palette WCAG

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Alt Text Suggestion Tool - Online Image Description Generator

Upload an image and get a suggested alt text description using a local vision model (WASM). Improve SEO and accessibility fast.

Accessibility accessibility alt text generator SEO

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Text to Speech Reader - Online Listen to Any Text

Paste or type text and have it read aloud with natural voices. Control speed and pitch. Uses browser's built‑in TTS.

Accessibility reader text to speech TTS voice

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Speech to Text Dictation - Online Transcribe Audio & Mic

Use your microphone to dictate text and see it appear live. Also upload an audio file for basic transcription. All local.

Accessibility dictation speech to text transcribe web speech

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Random Accessible Palette Generator - Online WCAG Safe

Generate a random 5‑color palette where every adjacent pair passes WCAG AA contrast. Safe for inclusive designs.

Accessibility accessible palette random WCAG

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Live Site Contrast Checker - Online Audit By URL

Enter a URL and fetch its text/background colors to perform a bulk contrast check. See warnings for WCAG violations.

Accessibility accessibility audit contrast URL

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Gradient Color Blindness Simulator - Online Test Palettes

Upload a gradient or enter a palette and simulate how it appears with different types of color vision deficiency. Ensure inclusive data visualization.

Accessibility color blindness gradient palette simulator

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Real‑Sample Contrast Checker - Online See Paragraph

See how a full paragraph looks with your chosen text and background colors. Not just a ratio; the real appearance.

Accessibility checker contrast real text WCAG

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Speech Dispatcher Tester - Online Explore All Voices

List all available TTS voices on your system. Test each with any text. Adjust rate and pitch. Find the best voice.

Accessibility Speech Synthesis test TTS voices

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ARIA Graphics Roles Validator - Online Check SVG a11y

Paste an SVG and check if the graphic‑aria roles are used correctly. Improve accessible diagrams and icons.

Accessibility accessibility ARIA graphics SVG

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ARIA Live Region Monitor - Online See Dynamic Announcements

Watch for updates to aria‑live regions and log what a screen reader would announce. Debug live regions.

Accessibility announcement ARIA live region monitor

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Skip Link Validator - Online See Bypass Blocks

Check if your site has a visible and functional skip navigation link. Key for keyboard‑only users.

Accessibility accessibility bypass check skip link

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aria‑describedby Visualizer - Online Check Descriptions

Highlight elements with aria‑describedby and see the linked description text. Verify a11y annotations.

Accessibility accessibility aria‑describedby debug visualizer

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Focus Outline Styler - Online Design Accessible Rings

Design a custom focus indicator with outline, offset, and box‑shadow. Preview on interactive elements. Copy the CSS.

Accessibility accessibility CSS focus outline

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Accessible Color Pair Grid - Online WCAG Matrix for Vision Deficiencies

Enter foreground and background colors and see a matrix of how each pair works for normal, protanopia, deuteranopia, and tritanopia.

Accessibility colorblind color grid matrix WCAG

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Speech Utterance Tester - Online Play Word by Word

Hear text spoken word by word with boundary events. See the exact index and character. Advanced TTS dev tool.

Accessibility boundary SpeechSynthesis test TTS

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Tab Order Visualizer - Online See Focus Navigation Path

Enter a URL and see a visual map of the tab order. Detect broken tabindex values. Improve keyboard navigation.

Accessibility accessibility focus keyboard tab order

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Screen Reader Text Simulator - Online See What It Says

Enter an HTML snippet and see a rough transcription of what a screen reader might announce. Check alt texts.

Accessibility alt text announce screen reader simulator

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HTML lang Validator - Online Check Language Tag

Validate a language tag like en‑US or zh‑Hans against the IANA registry. Ensure correct HTML lang attribute.

Accessibility BCP 47 HTML lang validator

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APCA Contrast Checker - Online New Accessible Perceptual Contrast

Check the Accessible Perceptual Contrast Algorithm (APCA) ratio. The next‑generation contrast method for WCAG 3.

Accessibility accessibility APCA contrast WCAG 3

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Relative Luminance Calculator - Online WCAG Metrics

Enter a hex color and get its relative luminance per WCAG definition. Understand why this matters for contrast.

Accessibility calculator color luminance WCAG

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Landmark Region Viewer - Online See ARIA Landmarks of Any Page

Enter a URL and see a list of its ARIA landmarks (banner, main, nav). Check document structure for accessibility. Local fetch.

Accessibility accessibility ARIA landmarks viewer

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Screen Reader Text Visualizer - Online View Hidden A11y Content

Paste a website's HTML and see which text is only visible to screen readers (e.g., .sr‑only). Preview the accessible layer.

Accessibility a11y screen reader text visualizer

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:focus‑visible vs :focus Demo - Online Accessible Outlines

See the difference between :focus and :focus‑visible on interactive elements. Learn which to use for better UX.

Accessibility accessibility CSS demo focus‑visible

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Color Contrast Ratio Tester - Online WCAG AA/AAA Check

Enter foreground and background colors to instantly see the contrast ratio and pass/fail for AA and AAA. Simple and fast.

Accessibility accessibility checker contrast WCAG

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Speech to Text Dictation - Online Transcribe Audio & Mic

Use your microphone to dictate text and see it appear live. Also upload an audio file for transcription (limited). All local.

Accessibility dictation speech to text transcribe web speech

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Roving Tabindex Keyboard Nav - Online Accessible List

See the roving tabindex pattern in action. Use arrow keys to navigate a list. Copy the accessible JavaScript pattern.

Accessibility a11y demo keyboard roving tabindex

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Enhanced Color Blindness Simulator - Image & UI Combined

Upload an image and also see a UI mockup under different deficiencies side‑by‑side. Powerful for inclusive design.

Accessibility color blindness inclusive simulator UI

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Reduced Motion Demo - Online Prefers‑Reduced‑Motion Switcher

Toggle between full and reduced motion on a live animated page. See how to design for vestibular disorders. Educational.

Accessibility a11y animation demo reduced motion

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Screen Reader Text Optimizer - Online Improve Alt & Link Text

Analyze text for screen reader friendliness: detect vague link text, missing alt suggestions. Get a report. Local.

Accessibility alt text links optimizer screen reader

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ARIA Live Region Tester - Online Screen Reader Update

Inject dynamic messages into ARIA live regions and monitor how they trigger screen reader announcements. Debug a11y.

Accessibility ARIA debug live region screen reader

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Custom Focus Ring Styler - Online CSS :focus‑visible Designer

Design a custom focus indicator with outline, offset, and box‑shadow. Preview on interactive elements. Copy the CSS.

Accessibility a11y CSS designer focus ring

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Skip Navigation Link Generator - Online A11y Helper

Create a properly styled 'Skip to Content' link. Customize target and appearance. Essential for keyboard users. Copy the HTML/CSS.

Accessibility accessibility generator keyboard skip link

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Heading Structure Visualizer - Online Document Outline Check

Paste an URL or HTML and see the h1‑h6 hierarchy as a tree. Detect skipped levels and improve accessibility. Client‑side.

Accessibility accessibility headings outline SEO

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Accessible Form Builder - Online Semantic HTML Generator

Create a fully accessible form by adding fields; the tool generates the proper labels, inputs, and ARIA attributes. Copy the clean HTML.

Accessibility accessible forms generator HTML

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Colorblind‑Safe Palette Creator - Online for Data Viz

Generate a palette of N colors that are maximally distinguishable for common color vision deficiencies. Copy the hex codes.

Accessibility colorblind safe data viz generator palette

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Accessible Color Scale Builder - Online Generate Tints/Shades with Contrast

Pick a base color and generate a 10‑step scale where each step meets a specific contrast ratio against white or black. Export as CSS custom properties.

Accessibility contrast generator scale WCAG

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ASL Alphabet Quiz - Online Fingerspelling Practice

Test your knowledge of American Sign Language letters. See a sign and type the letter. Improve receptive skills. Local.

Accessibility alphabet ASL fingerspelling quiz

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Braille Alphabet Trainer - Online Learn Dot Patterns

Flashcards for learning Braille. See the dot pattern and type the letter. Track your speed and accuracy. Accessibility education.

Accessibility alphabet Braille dots trainer

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SSML Marker Demo - Online TTS Events & Highlights

Use SSML <mark> tags to fire events during TTS. See text highlighted as it is spoken. Understand speech synthesis timing. local.

Accessibility mark speech SSML TTS

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Speech Live Counter - Online Count Spoken Words

Speak into the mic and see a live transcript with word count. Uses the Web Speech API. Nothing is stored.

Accessibility live recognition speech word count

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:focus‑visible Tester - Online Keyboard‑Only Focus Ring

Compare :focus and :focus‑visible styling. See which one applies when using mouse vs. keyboard. Accessible focus management.

Accessibility a11y CSS focus‑visible keyboard