Free Accessibility Tools

Accessibility Tools for Every Website

Add powerful accessibility features to your website with a single line of code. Our tools help your visitors customize their browsing experience for maximum accessibility.

Accessibility Widget

Empower your visitors with 18 accessibility features

The certvo.com Accessibility Widget adds a floating button to your website that opens a comprehensive accessibility control panel. Your visitors can adjust the website to their individual needs — from increasing font sizes and contrast to enabling screen reader optimizations and dyslexia-friendly fonts.

Font Size Control
High Contrast Mode
Dyslexia-Friendly Font
Text-to-Speech
Reading Guide
Focus Highlight
Link Highlighting
Image Descriptions
Saturation Control
Letter Spacing
Line Height Adjust
Cursor Enlargement
Animation Pause
Keyboard Navigation
Page Structure View
Color Blindness Filters
Dark/Light Mode
Reset All Settings

Installation

<script src="https://certvo.com/widget.js" data-site-id="YOUR_SITE_ID" async defer></script>

How to Get Started

  1. 1. Create a free account and add your website.
  2. 2. Copy the script tag from your dashboard — it includes your unique site ID.
  3. 3. Paste the script before the closing </body> tag of your website.
  4. 4. The widget will appear automatically as a floating button on your site.
GDPR Compliant WCAG 2.1 AA 13 Languages

Supported languages: English, Turkish, German, French, Spanish, Portuguese, Italian, Dutch, Arabic, Japanese, Chinese, Korean, Russian. Set language with data-lang="tr" attribute.

Accessibility Tour

Guide visitors through your website with an interactive tour

The certvo.com Accessibility Tour provides a step-by-step guided tour of your website, highlighting important elements and explaining how to navigate and use your site. It is especially helpful for users with cognitive disabilities, first-time visitors, and users with assistive technologies.

AI-Powered Detection

Automatically detects important page elements like navigation, forms, and key content areas.

Step-by-Step Guidance

Walks users through your site with highlighted elements and descriptive tooltips.

Keyboard Accessible

Fully navigable with keyboard — arrow keys, Enter, and Escape for full control.

Customizable Steps

Define custom tour steps for specific pages or user flows via the dashboard.

Installation

<script src="https://certvo.com/tour.js" async defer></script>

How to Get Started

  1. 1. Create a free account and add your website.
  2. 2. Go to the Tour Builder in your dashboard to auto-detect or manually define tour steps.
  3. 3. Copy the tour script tag and paste it before the closing </body> tag.
  4. 4. The tour can be triggered programmatically or will start on the first visit.

Ready to Make Your Website Accessible?

Create a free account to get your personalized script tags and start adding accessibility features to your site in minutes.

Get Started Free