AST Code & Structured Data Converters
Type-safe transformations, AST schema extraction, and binary encodings executed in browser workers.
Active Utilities10
JSON to TypeScript Converter — Strict Interface Generator
Convert JSON objects and API payloads into strict, type-safe TypeScript interfaces and types entirely client-side using Web Workers.
JSON to Schema & Code Types Studio (Java POJO, Go, Pydantic, C#, Rust)
Convert JSON payloads to strongly-typed models across Java (POJO, Lombok, Record), Go struct, Python Pydantic v2, C# Record, and Rust Serde client-side.
Base64 Encode & Decode — UTF-8 & URL-Safe Online Converter
Encode text or files into Base64 and decode Base64 strings back to UTF-8 plain text with zero server upload. Supports URL-Safe RFC 4648 Base64.
CSV to JSON & SQL Converter — RFC 4180 Client-Side Parser
Convert CSV tables to typed JSON arrays or SQL INSERT statements entirely client-side. Supports commas, semicolons, tabs, custom table names, and automatic delimiter detection.
JWT Decoder & Inspector — Zero-Upload Online JWT Token Viewer
Decode, inspect, and verify JSON Web Tokens (JWT) client-side with zero server upload. Instant expiration countdown, claims analyzer, and HMAC/RSA signature verification.
YAML to JSON & Reverse Converter — Bidirectional & Multi-Doc Parser
Convert YAML to JSON and JSON to YAML instantly in your browser. Supports multi-document streams (---), Kubernetes manifests, Docker Compose, custom indentation, and zero server uploads.
cURL to Code Converter — Instant Multi-Language HTTP Client Generator
Convert cURL commands to JavaScript Fetch, Axios, Python Requests, Go, Rust, and Java. 100% client-side parser with zero server upload for private tokens and APIs.
Online JSON to Java POJO Converter — Jackson & Lombok Support
Convert JSON to clean Java POJO classes with Jackson @JsonProperty annotations and Lombok @Data getters/setters. 100% client-side AST generation with zero server uploads.
Online JSON to Go Struct Converter — Idiomatic Golang Struct Tags
Convert JSON payloads to idiomatic Go (Golang) struct definitions with json:"key,omitempty" tags and proper initialisms (ID, URL, HTTP, API). 100% client-side AST generation.
Online JSON to Pydantic v2 Converter — Python BaseModel Models
Convert JSON payloads to Python Pydantic v2 BaseModel classes with Field(alias="..."), type annotations, and Optional support. 100% client-side AST generation with zero server uploads.