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

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

Text Contrast Validator - Online WCAG AAA Checker

Enter a text color and background color and instantly see if the combination passes WCAG AA and AAA ratio. Safe colors.

Accessibility accessibility contrast validator WCAG

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

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

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

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

: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

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

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

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

<abbr> Tag Generator - Online HTML Abbreviation Builder

Type an abbreviation and its full form to get the proper `<abbr title='...'>` HTML. For accessible markup.

Accessibility abbr accessibility generator HTML

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

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

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

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

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

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

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

forced‑colors Mode Tester - Online Windows High Contrast

Simulate forced‑colors mode and see how your site looks. Adjust CSS system colors. Make your design accessible.

Accessibility a11y forced‑colors high contrast test

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Accessible Color Contrast Grid - Online Test Combinations

Enter a palette of colors and see a grid showing whether each foreground/background pair passes AA or AAA contrast. Must for designers.

Accessibility checker contrast grid WCAG

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

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

: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

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

prefers‑contrast Tester - Online High/Low Contrast Emulator

Force more or less contrast and see how your page adapts. Test your CSS media queries for accessibility.

Accessibility a11y emulator media query prefers‑contrast

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

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

SSML Generator & TTS Demo - Online Speech Synthesis

Write SSML to control pitch, speed, and breaks. Play the generated speech with the browser’s TTS engine. Learn SSML.

Accessibility speech SSML synthesis TTS

Bulk Color Contrast Checker - Online WCAG Validation

Paste a list of foreground/background color pairs and instantly see which pass AA/AAA. Perfect for checking entire style guides.

Accessibility bulk checker contrast WCAG

Screen Reader Test Snippet - Online Check HTML ARIA Labels

Paste an HTML snippet and see how a screen reader might interpret it. Highlights missing alt texts and ARIA misuses. Educational.

Accessibility accessibility ARIA HTML screen reader

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

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

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

ARIA Attribute Validator - Online Check HTML Accessibility

Paste an HTML snippet and check for common ARIA mistakes: missing labels, invalid roles, and aria‑hidden misuse. Educate your team.

Accessibility accessibility ARIA HTML validator

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

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

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

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

prefers‑reduced‑motion Tester - Online A11y Check

Simulate reduced motion preference and test your animations. Copy the media query snippet. Keep your users safe.

Accessibility a11y media query prefers‑reduced‑motion test

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

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

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

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

Speech to Text Dictation - Online Live Transcribe

Use the Web Speech API to turn your spoken words into text with punctuation. Copy and paste anywhere. Privacy‑first.

Accessibility dictation speech text transcribe