📚 Bookmarklets

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🧪 Test Page

90's A11y Nightmare - Retro test page with 50+ accessibility violations
💡 Quick Start:
  • To test: Click the blue button link — the bookmarklet will run on this page
  • To install: Drag the blue button link to your browser's bookmarks bar
  • For details: Click the bookmarklet name to view its full description and WCAG references

Available Bookmarklets (96)

Accessibility

A11Y Bookmarklet

A11Y Graphics
WCAG SC 1.1.1: Non-text Content
Source: metageeky.github.io
Run or drag to Bookmarks Bar: A11Y Graphics
A11Y LibGuide Source: metageeky.github.io
Run or drag to Bookmarks Bar: A11Y LibGuide
A11Y Reporter Source: metageeky.github.io
Run or drag to Bookmarks Bar: A11Y Reporter
A11Y Tabbings
WCAG SC 2.1.1: KeyboardWCAG SC 2.4.3: Focus Order
Source: metageeky.github.io
Run or drag to Bookmarks Bar: A11Y Tabbings

Analysis

Accessible Name Consistency
WCAG SC 2.5.3: Label in Name
Source: github.com
Run or drag to Bookmarks Bar: Accessible Name Consistency
Checka11y
WCAG SC 1.1.1: Non-text Content
Source: github.com
Run or drag to Bookmarks Bar: Checka11y
First Accessible Paint
WCAG SC 2.4.1: Bypass Blocks
Source: github.com
Run or drag to Bookmarks Bar: First Accessible Paint
Focus Graph Analyzer
WCAG SC 2.1.1: KeyboardWCAG SC 2.4.3: Focus Order
Source: github.com
Run or drag to Bookmarks Bar: Focus Graph Analyzer
Interaction State Fuzzer
WCAG SC 2.1.1: KeyboardWCAG SC 4.1.2: Name
Source: github.com
Run or drag to Bookmarks Bar: Interaction State Fuzzer
Keyboard Unit Tester
WCAG SC 2.1.1: Keyboard
Source: github.com
Run or drag to Bookmarks Bar: Keyboard Unit Tester
Reading Order Correlator
WCAG SC 1.3.2: Meaningful Sequence
Source: github.com
Run or drag to Bookmarks Bar: Reading Order Correlator
Role Constraint Solver
WCAG SC 1.3.1: Info and RelationshipsWCAG SC 4.1.2: Name
Source: github.com
Run or drag to Bookmarks Bar: Role Constraint Solver
Sa11y
WCAG SC 1.1.1: Non-text Content
Source: github.com
Run or drag to Bookmarks Bar: Sa11y
Table Structure Verifier
WCAG SC 1.3.1: Info and Relationships
Source: github.com
Run or drag to Bookmarks Bar: Table Structure Verifier
Tota11y
WCAG SC 1.1.1: Non-text Content
Source: github.com
Run or drag to Bookmarks Bar: Tota11y
Visual Only Icon Detector
WCAG SC 2.5.3: Label in Name
Source: github.com
Run or drag to Bookmarks Bar: Visual Only Icon Detector
Voice Command Readiness
WCAG SC 2.4.4: Link Purpose
Source: github.com
Run or drag to Bookmarks Bar: Voice Command Readiness

Color Contrast

Contrast Checker
WCAG SC 1.4.3: Contrast
Source: webaim.org
Run or drag to Bookmarks Bar: Contrast Checker
Contrast Spot Check
WCAG SC 1.4.3: Contrast
Source: github.com
Run or drag to Bookmarks Bar: Contrast Spot Check
Contrast Spot Check Original
WCAG SC 1.4.3: Contrast
Source: github.com
Run or drag to Bookmarks Bar: Contrast Spot Check Original
Remove Colors
WCAG SC 1.4.1: Use of Color
Source: gist.github.com
Run or drag to Bookmarks Bar: Remove Colors

Color

Color Vision Filters
WCAG SC 1.4.1: Use of Color
Source: github.com
Run or drag to Bookmarks Bar: Color Vision Filters
Color Vision Filters Original
WCAG SC 1.4.1: Use of Color
Source: github.com
Run or drag to Bookmarks Bar: Color Vision Filters Original
Dark Mode Detector Source: github.com
Run or drag to Bookmarks Bar: Dark Mode Detector
Forced Colors Preview
WCAG SC 1.4.11: Non-text Contrast
Source: github.com
Run or drag to Bookmarks Bar: Forced Colors Preview
Grayscale
WCAG SC 1.4.1: Use of Color
Source: github.com
Run or drag to Bookmarks Bar: Grayscale
Non Text Contrast Auditor
WCAG SC 1.4.11: Non-text Contrast
Source: github.com
Run or drag to Bookmarks Bar: Non Text Contrast Auditor
Palette Contrast Extractor
WCAG SC 1.4.3: Contrast
Source: github.com
Run or drag to Bookmarks Bar: Palette Contrast Extractor
Rendered Contrast Heatmap
WCAG SC 1.4.3: Contrast
Source: github.com
Run or drag to Bookmarks Bar: Rendered Contrast Heatmap

Focus Interactive

Lost Focus Alert
WCAG SC 2.4.3: Focus Order
Source: a11y-tools.com
Run or drag to Bookmarks Bar: Lost Focus Alert
Reveal Focus Order
WCAG SC 2.4.3: Focus Order
Source: a11y-tools.com
Run or drag to Bookmarks Bar: Reveal Focus Order

Forms

Focus Path Recorder
WCAG SC 2.4.3: Focus Order
Source: github.com
Run or drag to Bookmarks Bar: Focus Path Recorder
Form Error Exerciser
WCAG SC 3.3.1: Error IdentificationWCAG SC 3.3.3: Error Suggestion
Source: github.com
Run or drag to Bookmarks Bar: Form Error Exerciser
Form Error Reveal
WCAG SC 3.3.1: Error IdentificationWCAG SC 3.3.3: Error Suggestion
Source: github.com
Run or drag to Bookmarks Bar: Form Error Reveal

Images

Alt Checker
WCAG SC 1.1.1: Non-text Content
Source: blog.ohheybrian.com
Run or drag to Bookmarks Bar: Alt Checker
Find Broken Images
WCAG SC 1.1.1: Non-text Content
Run or drag to Bookmarks Bar: Find Broken Images
Image Extraction
WCAG SC 1.1.1: Non-text Content
Source: gynvael.coldwind.pl
Run or drag to Bookmarks Bar: Image Extraction

Keyboard

Keyboard Trap Tester
WCAG SC 2.1.2: No Keyboard Trap
Source: github.com
Run or drag to Bookmarks Bar: Keyboard Trap Tester
Skip Link Validator
WCAG SC 2.4.1: Bypass Blocks
Source: github.com
Run or drag to Bookmarks Bar: Skip Link Validator

Live Regions

Live Region Monitor
WCAG SC 4.1.3: Status Messages
Source: github.com
Run or drag to Bookmarks Bar: Live Region Monitor

Media

Caption Quality Heuristics
WCAG SC 1.2.2: Captions
Source: github.com
Run or drag to Bookmarks Bar: Caption Quality Heuristics
Media Captions Checker
WCAG SC 1.2.2: CaptionsWCAG SC 1.2.4: CaptionsWCAG SC 1.4.2: Audio Control
Source: github.com
Run or drag to Bookmarks Bar: Media Captions Checker

Motion

Motion Inspector
WCAG SC 2.3.3: Animation from Interactions
Source: github.com
Run or drag to Bookmarks Bar: Motion Inspector
Toggle Prefers Reduced Motion
WCAG SC 2.3.3: Animation from Interactions
Source: github.com
Run or drag to Bookmarks Bar: Toggle Prefers Reduced Motion

Reading

Multilingual Bidi Audit
WCAG SC 3.1.1: Language of PageWCAG SC 3.1.2: Language of Parts
Source: github.com
Run or drag to Bookmarks Bar: Multilingual Bidi Audit
Source Order Tracer
WCAG SC 1.3.2: Meaningful Sequence
Source: github.com
Run or drag to Bookmarks Bar: Source Order Tracer
Text Readability Grade
WCAG SC 3.1.5: Reading Level
Source: github.com
Run or drag to Bookmarks Bar: Text Readability Grade

Screen Readers

JAWS Helper

JAWS Helper Simple
WCAG SC 2.1.1: KeyboardWCAG SC 2.4.1: Bypass Blocks
Source: github.com
Run or drag to Bookmarks Bar: JAWS Helper Simple

JAWS

JAWS Helper
WCAG SC 2.1.1: KeyboardWCAG SC 2.4.1: Bypass BlocksWCAG SC 3.3.2: Labels or Instructions
Source: github.com
Run or drag to Bookmarks Bar: JAWS Helper

NVDA Helper

NVDA Helper Popover
WCAG SC 2.1.1: KeyboardWCAG SC 2.4.1: Bypass BlocksWCAG SC 3.3.2: Labels or Instructions
Source: github.com
Run or drag to Bookmarks Bar: NVDA Helper Popover

NVDA

NVDA Helper
WCAG SC 2.1.1: KeyboardWCAG SC 2.4.1: Bypass BlocksWCAG SC 3.3.2: Labels or Instructions
Source: github.com
Run or drag to Bookmarks Bar: NVDA Helper

Screen Reader Simulation

Screen Reader Simulation
WCAG SC 1.1.1: Non-text Content
Source: a11y-tools.com
Run or drag to Bookmarks Bar: Screen Reader Simulation

VoiceOver Helper

VoiceOver Helper Popover
WCAG SC 2.1.1: Keyboard
Source: github.com
Run or drag to Bookmarks Bar: VoiceOver Helper Popover

VoiceOver

VoiceOver Helper
WCAG SC 2.1.1: KeyboardWCAG SC 2.4.1: Bypass Blocks
Source: github.com
Run or drag to Bookmarks Bar: VoiceOver Helper

Spacing

Font Size 2em WCAG 1.4.4
WCAG SC 1.4.4: Resize text
Source: codepen.io
Run or drag to Bookmarks Bar: Font Size 2em WCAG 1.4.4
Tap Target Heatmap
WCAG SC 2.5.5: Target Size
Source: github.com
Run or drag to Bookmarks Bar: Tap Target Heatmap
Target Size
WCAG SC 2.5.5: Target Size
Source: github.com
Run or drag to Bookmarks Bar: Target Size
Text Spacing Bookmarklet
WCAG SC 1.4.12: Text Spacing
Source: codepen.io
Run or drag to Bookmarks Bar: Text Spacing Bookmarklet

Structure & Headings

Aria Roles Viewer
WCAG SC 1.3.1: Info and Relationships
Source: github.com
Run or drag to Bookmarks Bar: Aria Roles Viewer
Check Field Labels
WCAG SC 1.3.1: Info and RelationshipsWCAG SC 3.3.2: Labels or Instructions
Source: w3.org
Run or drag to Bookmarks Bar: Check Field Labels
Fieldset Legend Checker
WCAG SC 1.3.1: Info and RelationshipsWCAG SC 3.3.2: Labels or Instructions
Source: github.com
Run or drag to Bookmarks Bar: Fieldset Legend Checker
Heading Structure Validator
WCAG SC 1.3.1: Info and Relationships
Source: github.com
Run or drag to Bookmarks Bar: Heading Structure Validator
Headings Map
WCAG SC 1.3.1: Info and RelationshipsWCAG SC 2.4.1: Bypass Blocks
Source: github.com
Run or drag to Bookmarks Bar: Headings Map
Landmarks
WCAG SC 1.3.1: Info and Relationships
Source: codepen.io
Run or drag to Bookmarks Bar: Landmarks
Landmarks Accessibility Bookmarklets
WCAG SC 1.3.1: Info and Relationships
Source: accessibility-bookmarklets.org
Run or drag to Bookmarks Bar: Landmarks Accessibility Bookmarklets

Syntax Check

Deque W3C Validator Bookmarklet
WCAG SC 4.1.1: Parsing
Source: dequeuniversity.com
Run or drag to Bookmarks Bar: Deque W3C Validator Bookmarklet
Validate CSS 2.1
Run or drag to Bookmarks Bar: Validate CSS 2.1
Validate CSS3 & Svg Source: jigsaw.w3.org
Run or drag to Bookmarks Bar: Validate CSS3 & Svg
Validate XHTML
Run or drag to Bookmarks Bar: Validate XHTML
WAI-ARIA
WCAG SC 4.1.2: Name
Source: thepaciellogroup.github.io
Run or drag to Bookmarks Bar: WAI-ARIA
Wave Webaim Source: wave.webaim.org
Run or drag to Bookmarks Bar: Wave Webaim

URLs Links

Accessible Name Badges
WCAG SC 2.4.4: Link PurposeWCAG SC 2.5.3: Label in Name
Source: github.com
Run or drag to Bookmarks Bar: Accessible Name Badges
Check Links
WCAG SC 2.4.4: Link Purpose
Source: codepen.io
Run or drag to Bookmarks Bar: Check Links
Link Underlines
WCAG SC 1.4.1: Use of Color
Source: github.com
Run or drag to Bookmarks Bar: Link Underlines
List Links
WCAG SC 2.4.4: Link PurposeWCAG SC 2.5.3: Label in NameWCAG SC 2.4.3: Focus Order
Source: a11y-tools.com
Run or drag to Bookmarks Bar: List Links
Show Title Tooltips
WCAG SC 2.4.4: Link Purpose
Source: github.com
Run or drag to Bookmarks Bar: Show Title Tooltips

Zoom

400 Percent Zoom Stress Test
WCAG SC 1.4.4: Resize textWCAG SC 1.4.10: Reflow
Source: github.com
Run or drag to Bookmarks Bar: 400 Percent Zoom Stress Test

Other

CSS

Analyze CSS Stats
Run or drag to Bookmarks Bar: Analyze CSS Stats
Fake Dark Mode Source: github.com
Run or drag to Bookmarks Bar: Fake Dark Mode
Remove CSS Source: dorward.uk
Run or drag to Bookmarks Bar: Remove CSS
Toggle Styles Source: github.com
Run or drag to Bookmarks Bar: Toggle Styles

Developer

Google Page Speed Test Source: github.com
Run or drag to Bookmarks Bar: Google Page Speed Test
Show Performance Source: gist.github.com
Run or drag to Bookmarks Bar: Show Performance
Show Scripts Source: gist.github.com
Run or drag to Bookmarks Bar: Show Scripts

Markdown

Copy Selection To MD Source: github.com
Run or drag to Bookmarks Bar: Copy Selection To MD
Copy Selection To MD With Turndown Source: discourse.devontechnologies.com
Run or drag to Bookmarks Bar: Copy Selection To MD With Turndown
Jina Ai Markdown Converter Source: github.com
Run or drag to Bookmarks Bar: Jina Ai Markdown Converter

Miscellaneous

GA Tracking Code Source: kyleplace.com
Run or drag to Bookmarks Bar: GA Tracking Code
Page Description Source: github.com
Run or drag to Bookmarks Bar: Page Description
Page Title
WCAG SC 2.4.2: Page Titled
Source: github.com
Run or drag to Bookmarks Bar: Page Title

Validation

Check Language On This Page W3C
WCAG SC 3.1.1: Language of Page
Source: w3.org
Run or drag to Bookmarks Bar: Check Language On This Page W3C
Check Required Fields On This Page W3C
WCAG SC 3.3.2: Labels or Instructions
Source: w3.org
Run or drag to Bookmarks Bar: Check Required Fields On This Page W3C
Language Check
WCAG SC 3.1.1: Language of PageWCAG SC 3.1.2: Language of Parts
Source: github.com
Run or drag to Bookmarks Bar: Language Check

Visual

Glasses Source: gist.github.com
Run or drag to Bookmarks Bar: Glasses
Reading Order
WCAG SC 1.3.2: Meaningful Sequence
Source: adrianroselli.com
Run or drag to Bookmarks Bar: Reading Order

Workflow

Session Recorder Source: github.com
Run or drag to Bookmarks Bar: Session Recorder