What is JFmt?
- Data
- Free
- Launched week 43, 2026
JFmt is a free online JSON formatter, validator and viewer that runs entirely in your browser — no upload, no sign-up. Format, validate, repair, query (JSONPath), diff, and convert JSON to CSV, XML, YAML, TOML and more. Generates SQL and model code for Java, C#, Go and Dart. 10 UI languages and a Chrome extension.
JFmt alternatives
The data tools listed here closest to JFmt, by shared categories and tags and by how alike the two descriptions read. Not a ranking against JFmt — open one and judge for yourself.
LocalFirstTools28 developer tools that never upload your data
AI2SQLAI-powered SQL query generator and database assistant
Text2SQL.aiTransform natural language into SQL queries instantly
AgentQLConnect AI and LLMs to the web
ZZZ Code AIOnline AI tools for programming and code generation
RepomixPack your codebase into AI-friendly formats
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