Development Tools
41 tool(s) available
URL Encode - Decode JSON
Encode or decode JSON for URLs and APIs. Free online JSON URL encoder and decoder with validation, beautify, and export options.
JWT Decoder and Inspector
Decode and inspect JWT tokens online. View header, payload, and signature, validate claims, and check expiry or algorithms. Free and private.
Large JSON Splitter and Merger
Split big JSON files into smaller parts or merge multiple JSON into one. Supports chunking, NDJSON, deduplication, and sorting. Free and browser-based.
JSON Filter and Map Playground
Filter, map, and transform JSON arrays online. Free JSON filter and map playground with custom expressions, sample data, and export options.
JSON Array Utilities Deduplicate - Merge - Group
Deduplicate, merge, or group JSON arrays online. Free JSON array utilities with copy, download, and export options.
JSON Repair and Auto-Fix
Repair broken JSON online. Auto fix common errors, validate, beautify or minify, and export clean JSON in seconds.
JSON Key Sorter and Normalizer
Sort and normalize JSON online instantly. Free JSON key sorter and normalizer tool with beautify, minify, and export options.
JSON Flattener / Unflattener
Flatten or unflatten JSON online instantly. Free JSON flattener and unflattener tool with custom separators, formatter, and export options.
NDJSON / JSON Converter
Convert JSON arrays to NDJSON or JSONL and back. Free online tool with formatter, validation, and export options.
JSONPath Tester
Test JSONPath expressions online instantly. Free JSONPath tester and evaluator with query highlights, formatter, and export options.
JSON Diff - Compare
Compare two JSON files online instantly. Free JSON diff and compare tool with highlights, copy, download, and share features.
JSON to XML Converter
Convert JSON to XML online instantly. Free, accurate, and easy-to-use tool for developers, analysts, and businesses.