Local-First Developer IDE & Code Runtime Hub
Compile 20+ programming languages locally in your browser with zero server latency, format nested AST queries, generate full-stack React components, and decode cryptographic tokens with air-gapped security.
20+ Languages WASM
Client-side execution in RAM
Zero Server Latency
Offline syntax parsing
Air-Gapped Tokens
Zero cloud telemetry retention
Compilers, Runtimes & Sandboxes
3Tools & UtilitiesUniversal Compiler
Compile and execute 20+ programming languages locally in your browser sandbox with instant stdout/stderr telemetry.
jq Playground
Interactive JSON query sandbox with real-time jq syntax filtering, pipe evaluations, and structural transformations.
Interview Prep Arena
Curated algorithmic problem sets, time/space complexity analyzers, and real-time coding benchmark tests.
Formatters, Parsers & Data Modeling
4Tools & UtilitiesJSON Formatter & Validator
Strict RFC 8259 syntax validation, hierarchical collapsible tree view, and minified payload exporter.
Query Formatter
Prettify complex SQL dialect queries, GraphQL schemas, and nested database commands with keyword capitalization.
Config Converter
Zero-latency two-way converter between JSON, YAML, TOML, and XML formats directly in memory.
JSON to Model Generator
Generate strongly-typed TypeScript interfaces, Zod schemas, Go structs, Python dataclasses, and Rust structs from JSON.
Security, Hashes & Cryptographic Tokens
4Tools & UtilitiesJWT Decoder & Verifier
Decode headers, claims, and payload signatures 100% offline. Validate expiration timestamps and claim keys.
Security & Crypto Suite
Client-side cryptographic toolset including HMAC signature generator, AES-GCM encryption, and token verification.
String Encoder & Base64
Encode and decode URL strings, Base64 binaries, Hex representations, HTML entities, and binary byte buffers.
Hash Generator
Compute cryptographic hashes (MD5, SHA-1, SHA-256, SHA-384, SHA-512) directly using the Web Crypto API.
Development Generators & AI Studio
5Tools & UtilitiesVibe Studio (AI UI Generator)
Conversational component generator transforming text prompts into interactive Tailwind & React UI widgets.
Visual Builder
Visual canvas for constructing full-stack layout hierarchies, live state bindings, and automated code generation.
Agent Rules Builder
Author, simulate, and export production AGENTS.md and GEMINI.md behavioral rule files for autonomous AI agents.
Edge API Scaffolder
Scaffold ultra-low-latency Next.js App Router edge routes, rate-limiters, and microservice boilerplate.
OpenAPI to MCP Converter
Convert standard Swagger/OpenAPI specifications into Model Context Protocol (MCP) tool configurations for LLMs.
Developer Utilities & Linters
5Tools & UtilitiescURL Converter
Transform raw terminal cURL commands into production fetch, axios, Python requests, or Go code snippets.
Regex Tester & Debugger
Live regular expression evaluator with capture group highlight breakdown and performance step timers.
Diff Checker
Side-by-side and unified git-style visual diff viewer with word-level changes and character delta counters.
Cron Expression Generator
Visual scheduler for building and verifying human-readable crontab syntax with upcoming trigger schedule previews.
Env Linter & Sanitizer
Detect malformed keys, quotes, and unintended whitespace in .env files. Generate sanitized example templates.