JSON
Formatter & Validator
Format, validate, and minify JSON. Highlights syntax errors with line numbers.
JSON to C#
Generate C# classes or records from JSON. Supports nullable reference types.
Generators
GUID Generator
Generate UUIDs in various formats: standard, no hyphens, braces, or C# syntax.
Password Generator
Create secure passwords with entropy-based strength meter.
Hash Generator
Compute MD5, SHA-1, SHA-256, and SHA-512 hashes. Click any hash to copy.
Cron Builder
Build cron expressions visually. Shows human-readable schedule description.
Converters
Base64
Encode text to Base64 or decode Base64 back to text. UTF-8 compatible.
Unix Timestamp
Convert Unix timestamps to human-readable dates. Outputs ISO, local, and C# DateTime.
Number Base Converter
Convert between decimal, hex, binary, and octal. Useful for bitwise ops and debugging.
File Size Converter
Convert between storage units. Toggle binary (1024) or decimal (1000) mode.
TimeSpan Calculator
Convert between .NET ticks, milliseconds, and time components. Parse TimeSpan strings.
String Escape
Escape/unescape strings for C#, JSON, or SQL. Handles quotes, newlines, and special chars.
URL Encode
Encode special characters for URLs or decode percent-encoded strings.
Security & Debug
JWT Decoder
Decode JSON Web Tokens to inspect header, payload, and signature. No validation.
Stack Trace Analyzer
Parse .NET stack traces into readable format. Highlights methods, files, and line numbers.
Enum Flags Calculator
Visualize bitwise [Flags] enum values. Enter a number to see which flags are set.
Connection String Builder
Generate connection strings for SQL Server, MySQL, PostgreSQL, or SQLite.
Regex Tester
Test regular expressions in real-time. Supports ignore case, global, and multiline flags.
Reference
HTTP Status Codes
Quick reference for HTTP status codes. Search by code or description.