Finally Understandthe Tough Stuff
Listen with word-by-word highlighting. Read every detail, not just summaries. Papers, manuals, reports, all of it.
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From Upload to Understanding
A simple process that transforms how you consume dense, technical content.
Upload Any Document
Papers, manuals, reports, drag & drop any PDF. We handle dense technical content with ease.
We Parse Everything
Equations, formulas, tables, figures, all processed correctly for natural reading.
Listen with Highlighting
Premium TTS with word-by-word highlighting. Stay focused and never lose your place.
Ask Questions
Stuck on something? Ask and get clear explanations without leaving the document.
Upload Any Document
Papers, manuals, reports, drag & drop any PDF. We handle dense technical content with ease.
We Parse Everything
Equations, formulas, tables, figures, all processed correctly for natural reading.
Listen with Highlighting
Premium TTS with word-by-word highlighting. Stay focused and never lose your place.
Ask Questions
Stuck on something? Ask and get clear explanations without leaving the document.
The Reading Experience You Deserve
Papers, manuals, reports, technical docs. Listen, understand, and retain, without missing a single detail.
Word-by-Word Highlighting
Stay focused as you listen. Every word highlights in sync with the audio, so you never lose your place. Perfect for dense technical content.
Full Content, Not Summaries
Other tools give you summaries and hope for the best. We read everything, every detail, every footnote, every piece of information you need.
Formulas That Actually Work
Most TTS tools butcher equations and scientific notation. Ours reads them correctly, so you can finally listen to technical literature.
Ask Questions Anytime
Confused about a concept? Ask questions about any part of your document and get clear explanations without breaking your flow.
Built for Anyone Tackling Dense Content
Research papers, technical manuals, compliance docs, industry reports. If it's tough to read, we make it easier.
Students
Get through textbooks, papers, and course materials. Listen during commutes and study sessions.
Researchers
Read every detail of publications without eye strain. Formulas and notation read correctly.
Professionals
Tackle industry reports, technical manuals, and compliance docs on your schedule.
Teams
Share documents, align on complex material, and build understanding together.
Simple, Transparent Pricing
Start free and upgrade when you're ready. No hidden fees, no surprises.
Free
Perfect for trying out Lockin
- 5 documents per month
- Basic chat functionality
- Standard audio quality
- Community support
Pro
For serious readers
- Unlimited documents
- Advanced explanations
- Premium audio quality
- Priority support
- Export annotations
- Team collaboration
Ready to Actually Enjoy Reading?
No more skimming. No more missed details. Listen to every word with perfect highlighting and focus.
No spam, ever. Unsubscribe anytime.