A local-first web productivity tool for assembling syntax verification, field name mapping, type conversion, extraction, and format conversion that occur during data integration between different systems in a single screen. Rather than simple data formatting, it is designed around reusable configurations as conversion templates.
- 4 Format Support: Mutual conversion and validation of JSON, CSV, XML, and YAML
- Automatic Format Detection: Auto-detects format from input data, with manual selection available if misdetected
- Conversion Pipeline: Build Flatten, key mapping, filtering, type conversion, and field selection in ordered Steps
- Multiple Views: Simultaneously view code editor, data tree, table, and conversion builder
- Syntax Diagnostics: Display errors in detail by line, column, and reason
- Diff Verification: Track differences before and after conversion
- Template Saving: Save conversion settings to browser and reuse with new data
- Local Processing: All processing completes within the browser; input data is not sent to server
- Personnel responsible for data migration and system integration
- Developers performing API verification and operational maintenance
- Business users handling data with different key names and hierarchical structures
- Fully processed within browser (local-first)
- Large data (200KB or more) processed with Web Worker
- Input data body is not saved; only template settings are saved
- Security measures implemented such as DOCTYPE rejection for XML
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