Reading Assistant Studio
Make reading clearer, easier to follow, and deeply focused. Simply paste your text to customize font size, line height, reading ruler, focus mode, and speech narration—all processed 100% locally in your browser with zero data uploads.
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About Reading Assistant Studio
Straining to read small print, losing your place between lines, or experiencing visual fatigue from dense text can disrupt deep reading and comprehension.
Reading Assistant Studio is a comprehensive, client-side reading studio designed to personalize the reading experience according to your vision, age, attention span, and study goals. By combining typography adjustments, reading rulers, multi-level focus modes, and synchronized Web Speech narration into a seamless interface, you can read anything with greater comfort and focus.
Three-Tiered Interface: Simple, Advanced, and Instant Presets
First-time visitors can begin immediately with 'Simple Mode', providing straightforward controls for font size (A− / A+), line height, reading width, and narration speed without cluttered settings.
The 'Detailed Settings' panel offers deep typography control: choose from system fonts, dyslexia-friendly fonts, UD fonts, or serifs, and tweak letter spacing, word spacing, line length, paragraph margins, text alignment, and custom color palettes.
With one-click 'Presets', you can instantly switch between profiles like Standard, Large Text, Senior, Children, Focus, Dyslexia-Friendly, Night Reading, and High Contrast.
Reading Ruler and Visual Focus Modes
Track your progress effortlessly without losing your place using the Reading Ruler (1-line, 3-line, or 5-line guides). The ruler smoothly follows your cursor, keyboard arrow keys, or mobile taps.
Focus Mode highlights your active line, sentence, or paragraph while softly dimming surrounding text, reducing distractions and supporting focused comprehension.
Synchronized Text-to-Speech Narration
Powered by the browser's native Web Speech API, enjoy natural voice reading in multiple languages without external subscriptions or tracking.
As speech plays, sentences are automatically highlighted in real time and smoothly scrolled into view. Pause anytime to inspect details and resume seamlessly from the exact sentence.
Focus Word (Bionic Reading Style) and Local Ruby Parsing
The Focus Word mode subtly bolds the opening letters of words to guide eye saccades and visual flow across long paragraphs.
A built-in local parser also renders Japanese furigana / ruby annotations (such as [Kanji]{furigana} or Kanji《furigana》) safely with zero external API dependencies.
100% Client-Side Privacy (Zero-Upload)
Under Solasu's core Zero-Upload principle, all text pasted or typed into Reading Assistant Studio remains strictly inside your browser's local memory. No texts are sent to remote servers, analytics databases, or AI training pipelines.
Confidential business briefs, private essays, and personal study notes can all be read in complete privacy.
Frequently Asked Questions (FAQ)
Is my text ever sent to external servers or AI services?
No. All parsing, rendering, ruler tracking, and settings calculations run entirely on your device inside the web browser. No text is ever uploaded or stored externally.
Will my custom typography and color preferences be saved?
Yes, your font sizes, line heights, and theme choices are securely remembered in your browser's localStorage. Your actual text content is not auto-saved for privacy unless you explicitly click 'Save Document'.
Can I use this tool on mobile phones and tablets?
Yes. Reading Assistant Studio includes a fixed bottom toolbar, touch-optimized controls, and a full-screen Zen reader mode tailored for mobile reading.
How can I read text from printed paper or images?
You can use Solasu's companion 'Document OCR' tool to extract text from photos, scans, or PDFs, and then paste it directly into Reading Assistant Studio.