JSON Viewer & ValidatorFormat, minify, and validate JSON data instantly in your browser with real-time error reporting.
JSON → DartConvert JSON payloads into clean, type-safe Dart classes for Flutter and Dart projects.
JSON ↔ CSV ConverterInstantly convert JSON arrays to CSV format and CSV data back to JSON.
JSON DiffCompare two JSON documents side-by-side with color-coded additions, deletions, and modifications.
JWT DecoderDecode JSON Web Tokens locally to inspect headers, payload claims, and token expiration.
Regex TesterTest and debug regular expressions with real-time match highlighting and capture group breakdown.
API Response DiffCompare two API responses (JSON or raw text) to spot breaking changes and field updates.
Base64 Encoder/DecoderEncode and decode text, files, and images to/from Base64 format locally.
URL & HTML Entity EncoderQuickly escape or unescape URLs and HTML entity strings.
Hash GeneratorGenerate MD5, SHA-1, SHA-256, SHA-512, and Bcrypt hashes from any text.
cURL ConverterConvert cURL commands into JavaScript fetch, Axios, Python requests, Dart Dio, Kotlin, Swift, and Java.
Cron BuilderBuild cron expressions visually and translate them into human-readable schedules with next run times.
UUID GeneratorGenerate cryptographically secure UUID v4 identifiers in bulk with uppercase, lowercase, and formatting options.
Timestamp ConverterConvert between Unix timestamps (seconds & milliseconds), UTC, ISO 8601, and local date formats.