Free Chrome Extension

Would you charge a child to read?

35+ tools for dyslexia, ADHD, and visual stress. Typography, color overlays, text-to-speech, dictionary, bilingual support, and classroom tools — all private, all free.

Install LucidRead Free See All Features
100% Free 100% Private No Data Collection
35+ Features
100+ Languages
0 Data Collected
150+ Research Citations

Everything You Need

35 tools organized across 5 categories, designed for real readers with real needs.

Reading

Reader mode, typography, overlays, ruler, line tracking, bionic reading, and more.

10 tools

Audio

Text-to-speech, voice typing, speed reading, volume boost, hover to listen.

5 tools

Annotation

Multi-color highlights, sticky notes, notepad, and reading list.

4 tools

Language

Dictionary, translation, text stats, morphemes, picture dictionary, simplify.

7 tools

Accessibility

Focus timer, syllables, dark mode, high contrast, EPUB reader, classroom tools.

9 tools

Grounded in Neuroscience

Every LucidRead feature is backed by peer-reviewed research on dyslexia, ADHD, and cognitive accessibility.

2x Reading Accuracy

Clinical trials show that increased letter and word spacing doubles reading accuracy in children with dyslexia by reducing visual crowding.

Zorzi et al., PNAS

+86 WPM with Rulers

Crowdsourced studies found that digital reading rulers improve reading speed by an average of 86 words per minute for readers with and without dyslexia.

ARVO Journals

13% Comprehension Boost

RSVP-style speed reading, which eliminates the cognitive cost of eye movement planning, boosted reading comprehension in ADHD adults by nearly 13%.

Cambridge Core

Read the Full Research

How It Works

1

Install

Add LucidRead from the Chrome Web Store. One click, completely free.

2

Open

Click the LucidRead icon or press Alt+Shift+C to open the side panel on any page.

3

Customize

Toggle features, choose a preset profile, or fine-tune settings to your needs.

Powerful Tools, Simple Interface

Reader Mode

Strip away ads, sidebars, and visual clutter. Research shows that extraneous cognitive load from pop-ups and complex menus significantly increases distractibility in ADHD readers.

  • One-click article extraction
  • Custom typography and spacing
  • Works with EPUB and PDF files

Text-to-Speech

Hear any page read aloud with real-time word highlighting. Meta-analyses show TTS produces significant gains in reading comprehension, and synchronized highlighting reinforces phonological awareness.

  • Word-by-word highlighting
  • Dual voice mode for bilingual reading
  • Auto language detection

Bilingual Tooltips

Hover over any word to see an instant translation in your home language. Supports 100+ language pairs, reducing the intrinsic cognitive load of unfamiliar vocabulary.

  • Instant hover translations
  • 100+ languages supported
  • Works alongside dictionary definitions

Classroom Tools

Built for educational settings. Cloze exercises build context-clue skills, paragraph numbering provides metacognitive scaffolding, and analytics track reading progress over time.

  • Cloze fill-in-the-blank generator
  • Session analytics and reading stats
  • Vocabulary builder with definitions

Your Privacy Is Absolute

LucidRead processes everything locally on your device. Nothing ever leaves your browser.

No Data Collection

Zero analytics, zero tracking, zero server requests.

No Accounts

No sign-ups, no login, no personal information needed.

100% On-Device

All processing happens in your browser. Nothing is sent anywhere.

One-Click Profiles

Start with a preset optimized for your needs, then customize from there.

Dyslexia Ease

Lexend font, increased spacing, cream overlay, reading ruler, and line tracking. Research shows spacing alone can double reading accuracy.

ADHD Focus

Clean layout with blue overlay to reduce distraction. Blue tones are clinically shown to produce calming effects ideal for sustained reading.

Visual Stress

Yellow tint, reading ruler, wider spacing. Addresses Meares-Irlen Syndrome, experienced by up to 46% of dyslexic readers.

Night Reader

Dark theme with light text. Comfortable reading in low-light environments.

Audiobook

Optimized for listening. Lexend font with cream overlay and TTS ready.

Minimal Clean

Subtle enhancements. Better spacing and line height without heavy changes.

Start Reading Better Today

Free. Private. Evidence-based. No account needed.

Install LucidRead See the Research