| What it does | Convert JSON to TOON format and reduce LLM token costs
| Fast, 100% client-side developer platform with zero-data logging
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
| All tools are free with no usage limits. The site may show ads in the future to cover running costs.
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| Key features | - Converts JSON to TOON format with token savings of 30-60%
- Local browser processing with no server data upload
- Human-readable output maintaining clarity
- Token savings statistics and reporting
- Support for deeply nested objects and repetitive keys optimization
- Automatic JSON validation
| - Multi-timezone support with IANA database and daylight saving time
- JSON to TypeScript conversion
- JWT decoder and inspection
- Cron expression parser and generator
- End-to-end encrypted environment variable vaults
- P2P multiplayer canvas with WebRTC and CRDT
- Steganography for hiding encrypted secrets in images
- Service Worker API mocker for frontend testing
- Encrypted URL shares with hash fragment storage
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| What makes it different | - Token-optimized format designed specifically for LLMs unlike generic JSON
- Resilient fault tolerance compared to strict JSON syntax requirements
- Direct monthly cost reduction of up to 50% for high-volume LLM applications
- Complete client-side processing ensuring maximum data privacy
| - Zero-data logging: no keystroke sent to external servers, all processing in browser memory
- 100% client-side operation works entirely offline
- Unified ecosystem across web, CLI, and AI agents via MCP Server
- Sub-millisecond performance with local execution
- Tool chaining and piping for seamless multi-stage workflows
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 14 ● no change since last check | 1 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 3 | 1 |
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| Citation Flow (Majestic) | 13 | 19 |
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| Referring domains (Majestic) | 13 | 7 |
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Castov