Free browser-based tools

Accessibility Tools

Practical accessibility helpers for contrast, headings, alt text, links, forms, tap targets, and readability. Built for web developers, designers, content teams, educators, and site owners.

32 tools4 guidesNo sign-upRuns in browser

All tools

Choose a tool

Open a tool directly. Each page includes inputs, examples, notes, and copy-ready results.

Contrast Checker

Check contrast ratio between foreground and background colors. Content

Alt Text Length Checker

Review alt text length, empty text, and descriptive risk. HTML Checks

Heading Structure Checker

Extract headings from pasted HTML and flag skipped levels. Content

Link Text Checker

Find vague link text such as click here or read more. HTML Checks

Form Label Checker

Estimate whether inputs in pasted HTML have labels or aria-labels. Interaction

Tap Target Size Checker

Check tap target size against common 44px guidance. Content

Plain Language Readability Checker

Estimate reading ease for accessible content. HTML Checks

ARIA Label Helper

Generate example aria-label text for buttons and icon links. Interaction

Focus Order Checklist

Create a keyboard focus order review checklist. Visual

Color Meaning Checker

Check whether instructions rely only on color meaning. Content

Image Accessibility Checklist

Generate an image accessibility review checklist. Interaction

Keyboard Navigation Checklist

Generate a keyboard navigation test checklist. Content

Button Label Checker

Review button and icon-button labels for clarity and accessibility. HTML Checks

Icon Button ARIA Helper

Generate action-focused aria-label examples for icon-only buttons. Interaction

Modal Focus Checklist

Create a keyboard focus checklist for modal dialogs and overlays. HTML Checks

Form Accessibility Checker

Estimate whether pasted form HTML has labels or accessible names. Content

Image Alt Purpose Helper

Create a review checklist for decorative, informative, or functional images. Interaction

Mobile Tap Size Checker

Check tap target width and height against common mobile guidance. HTML Checks

Page Heading Outline Checker

Extract headings from pasted HTML and flag skipped heading levels. Content

Accessible Link Label Checker

Find vague link text such as click here, read more, and learn more. Visual

Advanced Contrast Checker

Check contrast ratio between foreground and background colors. Use this focused variant for advanced workflows and long-tail search scenarios. Content

Quick Alt Text Length Checker

Review alt text length, empty text, and descriptive risk. Use this focused variant for quick workflows and long-tail search scenarios. HTML Checks

Planning Heading Structure Checker

Extract headings from pasted HTML and flag skipped levels. Use this focused variant for planning workflows and long-tail search scenarios. Content

Mobile Link Text Checker

Find vague link text such as click here or read more. Use this focused variant for mobile workflows and long-tail search scenarios. HTML Checks

Small Business Form Label Checker

Estimate whether inputs in pasted HTML have labels or aria-labels. Use this focused variant for small business workflows and long-tail search scenarios. Interaction

Creator Tap Target Size Checker

Check tap target size against common 44px guidance. Use this focused variant for creator workflows and long-tail search scenarios. Content

Student Plain Language Readability Checker

Estimate reading ease for accessible content. Use this focused variant for student workflows and long-tail search scenarios. HTML Checks

Team ARIA Label Helper

Generate example aria-label text for buttons and icon links. Use this focused variant for team workflows and long-tail search scenarios. Interaction

Audit Focus Order Checklist

Create a keyboard focus order review checklist. Use this focused variant for audit workflows and long-tail search scenarios. Visual

Checklist Color Meaning Checker

Check whether instructions rely only on color meaning. Use this focused variant for checklist workflows and long-tail search scenarios. Content

Campaign Image Accessibility Checklist

Generate an image accessibility review checklist. Use this focused variant for campaign workflows and long-tail search scenarios. Interaction

Batch Keyboard Navigation Checklist

Generate a keyboard navigation test checklist. Use this focused variant for batch workflows and long-tail search scenarios.

Visual

Visual

Focused tools for common accessibility tools workflows.

Contrast Checker

Check contrast ratio between foreground and background colors. Visual

Color Meaning Checker

Check whether instructions rely only on color meaning. Visual

Advanced Contrast Checker

Check contrast ratio between foreground and background colors. Use this focused variant for advanced workflows and long-tail search scenarios. Visual

Checklist Color Meaning Checker

Check whether instructions rely only on color meaning. Use this focused variant for checklist workflows and long-tail search scenarios.

Content

Content

Focused tools for common accessibility tools workflows.

Alt Text Length Checker

Review alt text length, empty text, and descriptive risk. Content

Link Text Checker

Find vague link text such as click here or read more. Content

Plain Language Readability Checker

Estimate reading ease for accessible content. Content

Image Accessibility Checklist

Generate an image accessibility review checklist. Content

Button Label Checker

Review button and icon-button labels for clarity and accessibility. Content

Image Alt Purpose Helper

Create a review checklist for decorative, informative, or functional images. Content

Accessible Link Label Checker

Find vague link text such as click here, read more, and learn more. Content

Quick Alt Text Length Checker

Review alt text length, empty text, and descriptive risk. Use this focused variant for quick workflows and long-tail search scenarios. Content

Mobile Link Text Checker

Find vague link text such as click here or read more. Use this focused variant for mobile workflows and long-tail search scenarios. Content

Student Plain Language Readability Checker

Estimate reading ease for accessible content. Use this focused variant for student workflows and long-tail search scenarios. Content

Campaign Image Accessibility Checklist

Generate an image accessibility review checklist. Use this focused variant for campaign workflows and long-tail search scenarios.

HTML Checks

HTML Checks

Focused tools for common accessibility tools workflows.

Heading Structure Checker

Extract headings from pasted HTML and flag skipped levels. HTML Checks

Form Label Checker

Estimate whether inputs in pasted HTML have labels or aria-labels. HTML Checks

ARIA Label Helper

Generate example aria-label text for buttons and icon links. HTML Checks

Icon Button ARIA Helper

Generate action-focused aria-label examples for icon-only buttons. HTML Checks

Form Accessibility Checker

Estimate whether pasted form HTML has labels or accessible names. HTML Checks

Page Heading Outline Checker

Extract headings from pasted HTML and flag skipped heading levels. HTML Checks

Planning Heading Structure Checker

Extract headings from pasted HTML and flag skipped levels. Use this focused variant for planning workflows and long-tail search scenarios. HTML Checks

Small Business Form Label Checker

Estimate whether inputs in pasted HTML have labels or aria-labels. Use this focused variant for small business workflows and long-tail search scenarios. HTML Checks

Team ARIA Label Helper

Generate example aria-label text for buttons and icon links. Use this focused variant for team workflows and long-tail search scenarios.

Interaction

Interaction

Focused tools for common accessibility tools workflows.

Tap Target Size Checker

Check tap target size against common 44px guidance. Interaction

Focus Order Checklist

Create a keyboard focus order review checklist. Interaction

Keyboard Navigation Checklist

Generate a keyboard navigation test checklist. Interaction

Modal Focus Checklist

Create a keyboard focus checklist for modal dialogs and overlays. Interaction

Mobile Tap Size Checker

Check tap target width and height against common mobile guidance. Interaction

Creator Tap Target Size Checker

Check tap target size against common 44px guidance. Use this focused variant for creator workflows and long-tail search scenarios. Interaction

Audit Focus Order Checklist

Create a keyboard focus order review checklist. Use this focused variant for audit workflows and long-tail search scenarios. Interaction

Batch Keyboard Navigation Checklist

Generate a keyboard navigation test checklist. Use this focused variant for batch workflows and long-tail search scenarios.

Guides

Use the tools well

Short guides for practical workflows and review habits.

How to use accessibility tools effectively

A practical workflow for choosing and combining accessibility tools. Guide

Quality checks for accessibility tools

How to review inputs, outputs, edge cases, and assumptions. Guide

Why browser-based tools are useful

Privacy, speed, and limitations of client-side tools. Guide

Accessibility Tools checklist

A simple checklist for choosing the right tool.