Best Free Image to Text OCR Converter Online
Our image to text OCR (Optical Character Recognition) converter is the most accurate free online tool for extracting text from images. Convert screenshots to text, extract text from photos, digitize scanned documents, copy text from PDFs saved as images, and transcribe printed materials to editable digital text. Perfect for students digitizing textbooks, professionals processing business documents, researchers extracting data from scientific papers, and anyone needing to copy text from images. Supports 100+ languages with over 95% accuracy for clear images. Works with JPG, PNG, GIF, BMP, WEBP, and all common image formats. No file size limits or usage restrictions.
WCAG Color Contrast Checker - Ensure Accessibility Compliance
Check color contrast ratios for WCAG 2.1 AA and AAA compliance with our free color contrast checker. Ensures text readability for users with visual impairments, color blindness, or low vision. Essential for designers creating accessible interfaces, developers building WCAG-compliant websites, and businesses meeting ADA and Section 508 legal requirements. Tests foreground and background color combinations, calculates precise contrast ratios, validates compliance levels, and suggests accessible color alternatives. Supports normal text (18px), large text (24px), and graphical elements. Export contrast reports for documentation and client presentations.
Alt Text Generator - Create Descriptive Image Descriptions
Generate descriptive alt text for images to improve accessibility for screen reader users and boost SEO. Our AI-powered alt text generator analyzes images and creates meaningful descriptions that convey context and purpose, not just visual appearance. Essential for content creators optimizing blog images, e-commerce sites describing product photos, social media managers making posts accessible, and web developers ensuring WCAG compliance. Alt text helps blind and low-vision users understand image content, improves SEO by helping search engines index images, and displays when images fail to load. Supports complex images, charts, infographics, and decorative elements.
Screen Reader Tester - Test Screen Reader Compatibility
Test website and app compatibility with screen readers used by blind and low-vision users. Our screen reader tester validates semantic HTML, ARIA labels, landmark regions, heading structure, keyboard navigation, form labels, link text, image alt attributes, and focus management. Compatible with popular screen readers including JAWS, NVDA, VoiceOver, TalkBack, and Narrator. Essential for developers ensuring accessibility, QA teams testing compliance, designers validating user experience, and businesses meeting legal requirements. Identifies accessibility barriers and provides actionable recommendations for fixes. Export test results with prioritized issues and remediation steps.
ARIA Validator - Validate Accessible Rich Internet Applications
Validate ARIA (Accessible Rich Internet Applications) labels, roles, properties, and states for complex web components and dynamic content. Our ARIA validator checks correct role usage, required properties, valid values, proper relationships between elements, and compliance with WAI-ARIA 1.2 specifications. Essential for developers building single-page applications, teams creating custom components, designers implementing accessible patterns, and projects requiring Section 508 or WCAG 2.1 Level AA compliance. Identifies invalid ARIA usage that breaks screen reader compatibility, suggests correct implementations, and validates against best practices.
Keyboard Navigation Tester - Check Keyboard Accessibility
Test keyboard navigation and ensure all interactive elements are accessible without a mouse. Our keyboard navigation tester validates tab order, focus indicators, keyboard shortcuts, skip links, focus traps, and logical navigation flow. Essential for users with motor disabilities who rely on keyboards or assistive devices. Tests compliance with WCAG 2.1 success criteria 2.1.1 (Keyboard), 2.1.2 (No Keyboard Trap), 2.4.3 (Focus Order), and 2.4.7 (Focus Visible). Identifies navigation barriers, suggests improvements, and validates against accessibility best practices. Works for web applications, mobile responsive sites, and complex interactive interfaces.
Why Choose Rune Accessibility Tools?
Rune provides the best free accessibility testing tools online with instant results, no registration required, complete privacy protection, WCAG 2.1 compliance validation, mobile-friendly responsive design, and professional-grade accuracy. Whether you need image to text OCR for document digitization, color contrast checker for WCAG compliance, alt text generator for SEO and accessibility, screen reader tester for compatibility validation, ARIA validator for complex components, or keyboard navigation tester for usability - Rune offers the complete accessibility tools suite for designers, developers, content creators, and accessibility professionals.
Accessibility Tools Use Cases
- Web Developers: Check WCAG compliance; Test color contrast; Validate ARIA; Test keyboard navigation
- UX/UI Designers: Ensure accessible color palettes; Create inclusive designs; Test with assistive technologies
- Content Creators: Extract text from images; Generate alt text; Optimize for screen readers
- Students: Digitize textbooks; Convert images to text; Access course materials in text format
- Digital Marketers: Make social media accessible; Optimize images for SEO; Improve content accessibility
- E-commerce: Add product image alt text; Ensure accessible checkout; Meet ADA compliance
- Government Agencies: Achieve Section 508 compliance; Make public content accessible; Test accessibility
- Legal Teams: Verify ADA compliance; Document accessibility efforts; Reduce legal risk
- QA Testers: Validate accessibility requirements; Test with assistive technologies; Report issues
- Accessibility Consultants: Audit websites; Generate compliance reports; Recommend improvements
WCAG 2.1 Compliance and Legal Requirements
Our tools help ensure compliance with WCAG 2.1 Level A, AA, and AAA standards, ADA (Americans with Disabilities Act) Title II and III, Section 508 of the Rehabilitation Act, European Accessibility Act (EAA), Accessibility for Ontarians with Disabilities Act (AODA), and other international accessibility regulations. Essential for public sector websites, educational institutions, healthcare providers, financial services, e-commerce platforms, and any business serving the public. Failure to meet accessibility standards can result in legal action, lawsuits, fines, and loss of customers. Use our tools to proactively identify and fix accessibility issues.
Supported Languages and Formats
OCR tool supports 100+ languages including English, Spanish, French, German, Italian, Portuguese, Dutch, Russian, Polish, Ukrainian, Czech, Turkish, Greek, Chinese (Simplified and Traditional), Japanese, Korean, Arabic, Hebrew, Hindi, Thai, Vietnamese, and more. Supports all major image formats: JPG/JPEG, PNG, GIF, BMP, WEBP, TIFF, and SVG. Color contrast checker works with HEX, RGB, RGBA, HSL, and named colors. All tools compatible with HTML5, CSS3, WAI-ARIA 1.2, and modern web standards.