AssisT: Adaptive Accessibility Tool

Universal accessibility extension with Text-to-Speech, customizable highlighting, and adaptive features for all websites

AssisT is a free, open-source accessibility extension designed for neurodivergent students. It works out of the box on Canvas LMS, Moodle, and Google Classroom — and optionally on any website. All processing happens locally. No accounts, no tracking, no data collection. KEY FEATURES ▸ Text-to-Speech — Read any webpage aloud with word-by-word synchronized highlighting. Multiple voices, adjustable speed, pitch, and volume. ▸ Speech-to-Text — Dictate into any text field with 60+ voice commands for editing, navigation, and formatting. 6 neurodivergent STT profiles with quick-switch. ▸ Dyslexia-Optimized Reading — Bionic Reading (bold word beginnings), Syllable Highlighting, and Grammar Color-Coding powered by NLP. ▸ Reading Mode — Distraction-free article view with customizable fonts and spacing. ▸ OCR + Screenshot Tool — Extract text from images and PDFs directly in your browser. ▸ Dictionary Lookup — Instant word definitions without leaving the page. ▸ Translation — 35+ languages with zero-barrier access (no API key required). Optional DeepL and Azure Translator support. ▸ Citation Management — Capture sources, format in Harvard style, evaluate credibility (CRAAP test), and export to BibTeX, RIS, JSON, or CSV. ▸ Annotations & Sticky Notes — Create persistent notes on any page, organized by URL. ▸ Canvas Quiz Helper — Keyboard navigation and TTS for quiz questions. ▸ 9 Neurodivergent User Profiles — ADHD, Autism, Dyslexia, Anxiety, and more. Each profile pre-configures optimal settings. ▸ Text Customization — 11 fonts (including OpenDyslexic, Atkinson Hyperlegible), adjustable size, spacing, line height, and colors. ▸ True Dark Mode — 4 presets (AMOLED, Dark Gray, Navy, Sepia) plus screen color overlays. ▸ Pomodoro Timer — Built-in focus timer for ADHD support. ▸ Reading Guide & Focus Mode — Horizontal guide bar and surrounding dimming to reduce visual distractions. ▸ 14 Customizable Keyboard Shortcuts — Full keyboard accessibility. AI FEATURES (OPTIONAL) ▸ Local AI via Ollama — Summarization, text simplification, and writing assistance powered entirely by AI models running on your own computer. No cloud, no data leaves your device. ▸ Cloud AI via Anthropic API — Optionally connect your own API key for more powerful AI assistance. You control when and whether any text is sent externally. Disabled by default. SUPPORTED PLATFORMS ▸ Canvas LMS (*.instructure.com, *.canvas.com) ▸ Moodle (*.moodle.org, *.moodlecloud.com) ▸ Google Classroom (classroom.google.com) ▸ Google Docs (docs.google.com) ▸ Optionally: any website (user-granted permission) PRIVACY ▸ No data collection — zero analytics, zero tracking ▸ No accounts or login required ▸ All data stored locally on your device ▸ FERPA, COPPA, and GDPR compliant ▸ WCAG 2.2 AA compliant ▸ Open source and auditable