Fix broken JSON, profile payloads, and convert between JSON, JSONL, TSV, YAML and .env in seconds.
Repair broken JSON — single quotes, unquoted keys, trailing commas, comments and Python literals.
Analyze any JSON document — value-type counts, nesting depth, unique keys and size.
Flatten nested JSON config into UPPER_SNAKE_CASE environment variables for a .env file.
Collect newline-delimited JSON (NDJSON/JSONL) into a single pretty JSON array.
Convert a JSON array into JSON Lines / NDJSON for streaming ingestion and fine-tuning files.
Convert tab-separated values (copied from spreadsheets) into a JSON array of objects.
Flatten a YAML list of objects into CSV for spreadsheets.
Convert ASCII / box-drawn CLI tables (MySQL, psql, tabulate) into clean CSV.
Every tool on ToolJolt is free, runs in your browser and needs no sign-up.