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Description
On June 23, 2025, Microsoft unveiled Mu, an innovative 330-million-parameter encoder–decoder language model specifically crafted to enhance the agent experience within Windows environments by effectively translating natural language inquiries into function calls for Settings, all processed on-device via NPUs at a remarkable speed of over 100 tokens per second while ensuring impressive accuracy. By leveraging Phi Silica optimizations, Mu’s encoder–decoder design employs a fixed-length latent representation that significantly reduces both computational demands and memory usage, achieving a 47 percent reduction in first-token latency and a decoding speed that is 4.7 times greater on Qualcomm Hexagon NPUs when compared to other decoder-only models. Additionally, the model benefits from hardware-aware tuning techniques, which include a thoughtful 2/3–1/3 split of encoder and decoder parameters, shared weights for input and output embeddings, Dual LayerNorm, rotary positional embeddings, and grouped-query attention, allowing for swift inference rates exceeding 200 tokens per second on devices such as the Surface Laptop 7, along with sub-500 ms response times for settings-related queries. This combination of features positions Mu as a groundbreaking advancement in on-device language processing capabilities.
Description
SafeJSON serves as a comprehensive local toolkit for JSON, specifically designed for developers. It executes all operations such as parsing, comparing, and decoding JWTs entirely within the browser, ensuring that no user data is transmitted to external servers.
Key features encompass a standard JSON formatter, a visual JSON diff tool, a JWT decoder, a JSONPath query engine, and a validator for JSON Schema. It can handle large JSON files exceeding 50MB, utilizing Web Workers for efficient processing, and also offers a dark mode, collapsible tree views, and a straightforward option for raw JSON export.
Users can confirm their privacy by checking the Chrome DevTools Network panel, as no API keys, tokens, or sensitive data leave their device. While the essential toolset is free to use, advanced capabilities like Diff and JWT decoding can be accessed through SafeJSON Pro, which is priced at $5 per month or $39 annually. Moreover, the entire codebase is open-source on GitHub, allowing for complete transparency and community audits. This commitment to privacy and accessibility makes SafeJSON a valuable asset for developers working with JSON data.
API Access
Has API
API Access
Has API
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Integrations
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Integrations
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Pricing Details
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Free Trial
Free Version
Pricing Details
$5/month, $39
Free Trial
Free Version
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Vendor Details
Company Name
Microsoft
Founded
1975
Country
United States
Website
blogs.windows.com/windowsexperience/2025/06/23/introducing-mu-language-model-and-how-it-enabled-the-agent-in-windows-settings/
Vendor Details
Company Name
SafeJSON
Founded
2025
Country
United States
Website
safejson.dev