Open any EPUB, FB2, PDF, TXT, or ZIP book and listen right away—while following along word for word on the page. Lector pairs Google Cloud Vertex AI text preparation with 100% offline on-device neural voices across 14 expressive narrators and 11 interface languages, mastered to a warm, easy-listening -14 LUFS.
Everyone reads differently. Try Lector’s comfort and focus tools right here—switch between Bionic Reading®, sentence spotlighting, warm paper themes, dyslexia-friendly spacing, and soothing background sounds.
To Sherlock Holmes she is always the woman. I have seldom heard him mention her under any other name.
In his eyes she eclipses and predominates the whole of her sex. It was not that he felt any emotion akin to love for Irene Adler.
All emotions, and that one particularly, were abhorrent to his cold, precise but admirably balanced mind.
He was, I take it, the most perfect reasoning and observing machine that the world has seen.
We use Google Cloud Vertex AI to teach our voice models natural literary phrasing, then run the actual narration 100% offline on your phone with Sherpa-ONNX & VITS—so your books stay private and play instantly anywhere.
Powered by Google Cloud Vertex AI, Lector tells look-alike words apart (like read vs. read or lead vs. lead), expands Roman numerals naturally, and places conversational stress where a real narrator would across 11 languages.
Listen for hours without ear fatigue. All 14 commercial-safe (CC0 / CC-BY) voices are tuned through a broadcast mastering chain—removing low rumble and harsh s sounds while keeping every chapter balanced at -14 LUFS.
Tap play and audio starts in under half a second. Our on-device Sherpa-ONNX engine pre-loads upcoming sentences in the background on ARM Big.LITTLE cores, keeping your phone cool even at 2.0x speed on a long flight.
Drop in any EPUB, FB2, PDF, TXT, or ZIP. Lector automatically strips repetitive PDF headers, fixes broken line hyphens, rebuilds the table of contents, and includes 85+ world classics ready to read.
Switch effortlessly between reading with your eyes and listening on the go—with clean typography, lockscreen controls, and offline voice packs.
No per-character cloud credits, no locked voices, and no surprise charges. Enjoy Lector Free forever, or upgrade for unlimited offline Studio AI listening.
2.0x + Smart Speed Ramp.m4b / .wav Chapter Audiobook Export.m4b / .wav export & cognitive reading suiteFounded and built by Roman Fofanov, Lector Page started with a simple belief: any book in your personal library deserves to sound as warm and engaging as a studio audiobook—whether you’re commuting, resting your eyes, or reading with ADHD or dyslexia.
By pairing Google Cloud Vertex AI text preparation with compact VITS/ONNX voice models that run directly on your phone, Lector delivers natural narration on any Android device—without per-book fees, internet dependency, or privacy trade-offs.
app.lectorreader.audiobook