Tools
A collection of useful web-based tools and utilities.
Data Formatters & Validators
JSON Formatter & Validator - Online JSON Tool
Free online JSON formatter, validator, and minifier with syntax highlighting and error detection. Format, validate, and minify JSON data instantly with our powerful JSON tool.
Use ToolSQL Formatter & Syntax Highlighter - Online SQL Tool
Format and beautify SQL queries with proper indentation and syntax highlighting. Supports Microsoft SQL Server, MySQL, PostgreSQL, and SQLite with customizable formatting options.
Use ToolYAML ↔ JSON Converter - Online YAML/JSON Tool
Convert between YAML and JSON formats with validation, formatting, and minification. Bidirectional conversion with syntax highlighting and error detection for both formats.
Use ToolDevelopment Utilities
Docker Compose Generator - Online Docker Compose Builder
Free online Docker Compose generator tool. Build docker-compose.yml files visually with pre-configured service templates for nginx, postgres, redis, mysql, and more. Download or copy to clipboard instantly.
Use ToolGit Command Generator - Git Command Helper Tool
Generate Git commands for common tasks with helpful explanations and examples. Perfect for learning Git and streamlining your workflow with ready-to-use git commands.
Use ToolRegex Tester - Online Regular Expression Testing Tool
Free online regex tester with live pattern matching, group extraction, and syntax highlighting. Test and debug regular expressions with instant feedback and match highlighting.
Use ToolCron Expression Generator & Explainer - Cron Tool
Generate and explain cron expressions visually with human-readable descriptions and execution previews. Perfect for scheduling tasks with comprehensive cron support including special characters.
Use ToolDiagram & Editor Tools
Cursor Starter Generator - AI Rules & Composer Prompt Tool
Generate ready-to-use Cursor Composer prompts and custom .cursor/rules files for your AI-powered development projects. Kickstart your Cursor IDE workflow with optimized AI rules.
Use ToolMermaid Diagram Editor - Online Flowchart & Diagram Tool
Create and edit Mermaid diagrams with live preview and export capabilities. Free online tool supporting 18+ diagram types including flowcharts, sequence diagrams, Gantt charts, mindmaps, timelines, and more with syntax highlighting. Powered by Mermaid v11.
Use ToolEmbedded/Hardware Tools
ARM Cortex-M Interrupt Vector Table Generator - NVIC Configuration Tool
Build and export ARM Cortex-M vector tables interactively. Configure ISRs, set priorities, generate assembly and C code, view NVIC register mappings. Perfect for prototyping exception handlers without compiling.
Use ToolARM Register Bitfield Visualizer - Interactive Register Debug Tool
Visualize and manipulate ARM register bitfields interactively. Parse register definitions from header files, set individual bits, view masks and values. Perfect for debugging STM32, Cortex-M, and other ARM peripheral configurations.
Use ToolEncoders & Generators
Base64 Encoder/Decoder - Online Base64 Tool
Free online Base64 encoder and decoder with file upload support, image preview, URL-safe mode, and batch processing. Encode and decode Base64 strings instantly with our lightweight tool.
Use ToolUUID & Hash Generator - Online UUID and Hash Tool
Free online UUID generator (v1-v5) and hash calculator (MD5, SHA-1, SHA-256, SHA-512). Generate unique identifiers, validate UUIDs, create hashes from text or files, with QR code support and bulk processing.
Use ToolJWT Decoder & Validator - Online JWT Tool
Decode and validate JWT tokens (JSON Web Tokens) with optional signature verification. View header, payload, and signature details with expiration status. Perfect for debugging authentication tokens.
Use Tool