Developer Tools
Paste your data, get your answer. All tools run in the browser — nothing leaves your machine.
Data Tools
3 toolsJSON Comparator
Compare two JSON objects and highlight differences with side-by-side view.
XML/YAML to JSON Converter
Convert between XML, YAML, and JSON data formats with syntax highlighting and validation.
JSON to TypeScript
Generate TypeScript interfaces and type aliases from JSON. Supports nested objects, arrays, optional/readonly modifiers, and naming conventions.
Encoding
3 toolsSecurity
4 toolsHash Generator
Generate MD5, SHA1, SHA256 hashes from text input.
JWT Decoder
Decode and inspect JWT tokens with header, payload, and signature.
Password Generator
Generate strong, secure passwords and memorable passphrases with customizable options and strength analysis.
JWT Builder
Create and sign JSON Web Tokens with custom headers, payloads, and algorithm selection.
Testing
1 toolsDevelopment Utilities
5 toolsUUID Generator
Generate, validate, and convert UUIDs. Supports v1, v4, and v5 with bulk operations and format options.
Code Formatter
Format and beautify code in multiple languages including JSON, HTML, CSS, JavaScript, and TypeScript.
Cron Expression Builder
Build and validate cron expressions with an interactive visual editor. Preview next execution times.
SQL Formatter
Format, beautify, and highlight SQL queries with dialect support, keyword casing options, and syntax highlighting.
QR Code Generator
Generate QR codes from text or URLs with custom size, colors, and error correction. Decode QR codes from images.