NextJSON
NextJSON is a free, browser-based toolbox for working with JSON. Its nested JSON parser recursively decodes multi-level, stringified and escaped JSON (for example JSON inside log lines or API payloads)...
What is NextJSON?
NextJSON is a free, browser-based toolbox for working with JSON. Its nested JSON parser recursively decodes multi-level, stringified and escaped JSON (for example JSON inside log lines or API payloads) and shows it as a readable, collapsible tree. You can open JSON files directly or drag and drop them in. Other tools cover everyday JSON work: format, beautify or minify JSON to one line, compare and diff two JSON documents, generate a JSON Schema from sample data or sample JSON from a schema, and convert JSON to TOON and back with a token-count comparison for LLM prompts. Everything runs locally in your browser and no sign-up is needed.
Key Features
Nested JSON parser
Recursively decode stringified and escaped JSON into a collapsible tree.
JSON formatter and minifier
Beautify JSON for reading or minify it to one line.
JSON diff
Compare two JSON documents and see what changed.
JSON Schema and TOON
Generate JSON Schema from samples and convert JSON to TOON for LLM prompts.
Tool Information
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