Looking up…
How to use Lucid
Reading modes
WordOne word at a time with ORP focus alignment. Best for maximum speed.
SentenceFull sentence displayed, word highlighted as it plays. Good for comprehension.
ParaFull paragraph visible with word tracking. Great for context-heavy material.
Page~220 words visible at once, current word highlighted. Natural reading feel.
Flagging & export
◆ FlagTap the Flag button (or press F) to mark the current passage. A counter badge appears on the export button in the top bar.
↓ ExportTap the export button (top-right, shown when you have flags) to download all your flagged passages as a .txt file — perfect for notes, highlights, and review.
TipYou can also export your flags from the Finished screen at the end of a session.
Top bar buttons
Chapter navigator — jump between chapters in ePub files.
Reading intelligence — session stats, WPM history, and insights.
Theme toggle — cycles between dark, sepia, and light.
Environment panel — auto-scroll, binaural beats, ambient light, breathe, noise masking.
Look up any word
Double tapDouble-tap (or double-click) any word in any mode to look up its definition instantly.
Keyboard shortcuts
SpacePlay / pause
← →Step back / forward one unit
↑ ↓Speed up / slow down by 25 WPM
1 2 3 4Switch mode: 1 Word · 2 Sentence · 3 Para · 4 Page
5 6 7 8Speed preset: 5 → 200 Absorb · 6 → 300 Read · 7 → 450 Flow · 8 → 650 Scan
− +Decrease / increase font size
FFlag the current passage
VLook up the current word (word mode)
COpen chapter navigator
EOpen environment panel
SOpen reading stats
TToggle this guide
Tips
Size ±Adjusts font size across all reading modes simultaneously.
AmbientEdge glow shifts warm (simple text) or cool (dense/complex text) automatically.
URLPaste any web URL or Wikipedia link to read the article directly.
Reading Intelligence
Lucid
Read everything. Miss nothing.
Drop your file here
or click to browse
PDFePub TXTURLWikipediaText
Preparing your book
Chapters
Lucid
Environment
Auto-scrollFollows highlighted word in para & page
BreatheHighlighted word pulses in size
Peripheral fadeDims everything but the word
Ambient lightWarm/cool bleeds from edges
Binaural beatsRequires headphones
Brown noiseDeep, rumbling mask
White noiseFlat spectrum mask
Transition tonesSoft breath on para break
WPM
Progress
Remaining
Page
adaptive ·
paused
Speed
Fine
300 wpm
standard reading pace · good for most material
Size
Width
Mode
Pacing
Space · ← → · ↑↓ speed · 1–4 mode · 5–8 preset · ± size · F flag · C chapters · E env · V vocab · S stats · T guide
Complete
Words
Minutes
Avg WPM