Free online tool to convert text into natural speech using 28 Grok AI voices in 20 languages
AI research assistant for generating publication-quality plots, diagrams, and scientific illustrations in seconds
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free tier: 3 previews per day (200 characters each) without account; free Google sign-in offers 1,000 characters per clip, 20 clips per hour, 3,000 characters per day. Paid plans available for longer clips and more characters.
Free tier with unlimited plot generation and standard quality exports; Pro plans available for high-resolution SVG exports and advanced features
Key features
28 Grok voices
Speech tags for pauses, laughs and whispers
Download as MP3 audio file
Speed adjustment from 0.7× to 1.5×
26 speech expression tags
Free preview without account
Auto-detect language mode
No text storage or logging
Multiple account sign-in options
Automatic data type detection and plot recommendation
Domain-specific AI models for scientific accuracy
Editable text layers and formatting options
High-resolution SVG and PDF export formats
Flowchart generation from methodology text
Infinite canvas for organizing multiple figures
Vector graphics for structured diagrams
Data privacy with no model training on user data
CSV, TSV, TXT, and Excel file import
Auto-arrangement and smart layout for figures
What makes it different
Independent frontend: no developer account needed to access real Grok voices
All 28 official Grok voices in one tool
Built-in speech tags for natural expression control
Cheaper than ElevenLabs and comparable to OpenAI pricing
Same voices available for text-to-speech and voice agents
Domain-specific AI fine-tuned on scientific literature ensures logical accuracy, not just artistic appearance
Generates editable vector graphics instead of flattened pixels for full control over text and formatting
Full copyright ownership of generated content with royalty-free rights for academic publications
No-code solution eliminates need for Python, GraphPad Prism, or expensive licenses
Prevents AI hallucinations through structured logic and established scientific principles
Grok Text to Speech
Plottie