Efficient AI text-to-speech model with 82M parameters delivering natural-sounding voice synthesis
Free AI-powered photo extender for any aspect ratio with no sign-up required and no watermark
Stage
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Founded
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Based in
SG
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Pricing model
Open source
Freemium
Pricing
Free to use. Free Chrome Extension with 10,000 characters free every month.
Free to try without sign-up; Basic $9.90 (100 credits), Standard $29.90 (500 credits), Pro $49.90 (1,250 credits). Each successful image uses 5 credits. One-time purchases with no subscription; credits never expire.
Key features
82M parameter efficiency for lightweight, scalable performance
Multilingual support including English, French, Korean, Japanese, and Mandarin
Customizable voice packs with multiple lifelike voice options
Automatic content segmentation for chapter and section detection
OpenAI-compatible API endpoint for easy integration
Real-time audio generation with NVIDIA GPU acceleration
Processes up to 510 tokens in a single pass for longer audio outputs
Chrome extension for reading webpages aloud
Real AI outpainting powered by gpt-image-2 model
Support for any aspect ratio including 1:1, 4:5, 16:9, 9:16, 21:9 and custom ratios
Free to try without signing up
No watermark on results
Free daily credits with a free account
Supports JPG, PNG and WebP files up to 4MB
Full resolution export
Results typically ready in 60–120 seconds
Works on any mobile or desktop browser without app installation
Secure HTTPS processing with no account required
What makes it different
Outperforms larger models like XTTS (467M params) and MetaVoice (1.2B params) despite having only 82M parameters
Open-source and free for both commercial and personal use under Apache 2.0 license
Lightweight architecture enabling deployment on CPU and GPU with minimal resources
Trained on high-quality, permissively licensed audio for accurate natural-sounding speech
Designed for scalability while preserving excellent audio quality
Real generative AI instead of simple blur-and-stretch algorithms
Optional one-time credit purchases with no subscription
No watermark on downloaded results
Free daily credits automatically top up when balance runs low
Kokoro TTS
Photo Extender