Fast Learning, Optimal Way
The way reading
should feel.
Lexi aligns text with your brain's natural rhythm — smooth, light, effortless.
ORP
Aligned
3
Modes
0
Friction
✦ FLOW Engine
AI
Optimizes text for smoother reading — optional
✦
Local FLOW rules apply · Claude AI available when API key is added
Optimizing with FLOW Engine...
🎵
Drop your audio or video file here
WAV · MP3 · MP4 — stays on your device
🎵
—
—
🔑 Whisper uses your OpenAI API key to transcribe audio in seconds.
Your key is never stored — only used for this request.
Your key is never stored — only used for this request.
Transcribing...
💡
Paste your lyrics or script below. Lexi will pace the words to match your audio's duration.
📄
Drop your document here
PDF · DOCX · TXT — stays on your device
📄
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—
Reading document...
✦ FLOW Engine
AI
Optimizes text for smoother reading — optional
✦
Local FLOW rules apply · Claude AI available when API key is added
✦ FLOW Engine — Review Changes
—
Original
as written
FLOW optimized ↓
✦ FLOW Version
edit before reading
Edit Text
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0
words
—
added
—
removed
What to do with existing keyframes
Now reading
—
300
wpm
No text loaded
0 / 0
🎙 Voice playing in background
Speed
300 wpm
Position
Word 1 of 0
0:00
0:00
Speed Ramp
Cinematic ease in & out
Length
how many words ramp over
15%
Depth
how slow the start & end gets
50%
Deep Breath
P7
Intelligent pauses — sentence ends, key words, data
Intensity
how deep the pauses go
60%
Syncopated Beat
P8
Off-beat accents — groove, surprise, retention
Intensity
how strong the accent hits
60%
Reading Font
I Italic mode
The red letter is your Optimal Recognition Point — where meaning arrives.
Step 1 of 2 — Load & Prepare
—
Load a WAV, MP3 or MP4 then paste your lyrics.
Next you will tap each word in time with the audio.
🎵
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Ready to keyframe
0 words loaded · 0:00
Step 2 of 2 — Keyframe Editor
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Word 0 of 0
·
0 marked
Audio Position
0:00 / 0:00
Space
Mark this word at current time
← →
Scrub audio by 1 second
Backspace
Undo last mark
Fine-tune Timing
—
Drag any dot to move a word ·
Click empty space to place selected word ·
Scroll/pinch to zoom ·
Hover a dot to see the word
0:00
0:00
Zoom
1×
Selected word:
—
at
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Synced Playback
—
— / —
0:00
/
0:00
Reading Font
I Italic mode
Now reading
—
Now listening
—
Voice
ElevenLabs API Key
🌐 ElevenLabs activates when Lexi is hosted live. Browser voice works now.
Ready to play
Speed: