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Castov

Developer Hub & Ecosystem

Discover Castov's developer-focused integrations: SDK, Command Line Interface, VS Code Extension, and more.

castov-sdk

v1.0.0

Zero-dependency TypeScript & JavaScript utilities: UUIDs v4/v7, Unix timestamps, ID detector (ObjectId, Snowflake), Cron parser, and JWT decoder.

npm install castov-sdk
View on npm

Castov CLI

v1.0.0

Instant zero-server developer toolkit in your terminal. Run standalone via npx or install globally with zero configuration.

npx castov --help
View on npmCLI Docs

VS Code Extension

The official zero-server developer toolkit directly in your editor. Select text to encode/decode, or insert UUIDs without switching windows.

Install from MarketplaceDownload VSIX
Ctrl+K

Global Command Center

Press the shortcut anywhere on Castov to open the Command Palette. Inline compute UUIDs, search tools, and navigate blazing fast.

Developer Utilities (8)

Interactive tools for ISO 8601, RFC 3339, cron expressions, batch conversion, and validation — all run in your browser.

Developer

ISO 8601 to Unix

Turn an ISO 8601 date-time string into a Unix timestamp.

Open tool
Developer

Unix to ISO 8601

Get an ISO 8601 string in UTC or with your local offset.

Open tool
Developer

Unix Timestamp Validator

Check whether a value is a valid Unix timestamp, with a clear reason if not.

Open tool
Developer

Unix Timestamp Batch Converter

Convert a whole list of Unix timestamps at once, with CSV export.

Open tool
Developer

ISO 8601 Converter

ISO 8601 to Unix time and back, in one combined tool.

Open tool
Developer

RFC 3339 Converter

RFC 3339 to Unix time and back, the strict internet date-time format.

Open tool
Time Zones

Business Hours Converter

Compare working hours across time zones and find the overlap for meetings.

Open tool
Developer

Cron Expression Generator

Build a cron expression and see a plain-English explanation of its schedule.

Open tool

Labs (10)

Experimental tools

Experimental developer utilities: local WebRTC peer-to-peer data channels, image steganography, AST syntax parsing, and client-side computing.

Labs

Service Worker API Mocker

Generate local fetch interceptor scripts to mock API endpoints.

Open tool
Labs

P2P Ghost Tunnel

Share localhost via direct P2P WebRTC connection.

Open tool
Labs

Steganography Env Vault

Hide encrypted .env files inside PNG image pixels.

Open tool
Labs

Holographic JSON Explorer

Explore massive JSON architectures in a 3D WebGL universe.

Open tool
Labs

Genetic Regex Auto-Healer

Evolve perfect Regex using local genetic algorithms.

Open tool
Labs

Chrono-Debug API Replay

Replay past API states using a visual timeline scrubber.

Open tool
Labs

AST Conflict Telepathy

Semantically merge Git conflicts using AST logic parsing.

Open tool
Labs

NexusGrid

Decentralized WebGPU Supercomputer running local AI workloads.

Open tool
Labs

Sonic-Gap Bridge

Air-gapped ultrasonic acoustic data transfer protocol.

Open tool
Labs

Quantum Simulator

Browser-native quantum circuit execution via matrix tensors.

Open tool