Developer Utilities Suite
JSON formatters, regex testers, code minifiers, hash generators, and encoding tools. All utilities run 100% locally in your web browser with zero server data retention.
At a glance
Developer Utilities is a suite of 205 free browser-based tools. JSON formatters, regex testers, code minifiers, hash generators, and encoding tools. Every utility runs 100% client-side in your browser with no uploads, no signups, and no server queues.
JSON Formatter & Validator
Beautify, format, validate, and minify JSON data online. Fast syntax highlighting, error detection, and 100% private client-side parsing.
Base64 Encoder & Decoder
Encode text and files to Base64 or decode Base64 strings to readable text instantly. Full UTF-8 support, 100% private in-browser processing, and one-click copy.
URL Encoder & Decoder
Encode and decode URLs and query parameters online with percent-encoding. 100% private in-browser tool with full URI component support.
JWT Token Decoder & Inspector
Decode and inspect JSON Web Tokens (JWT) safely in your browser. View header parameters, payload claims, and token expiration with complete 100% client-side privacy.
SQL Query Formatter
Beautify, format, and minify SQL queries instantly with syntax styling and keyword capitalization.
CSS Minifier & Beautifier
Minify CSS code to reduce file size or beautify messy stylesheets with customizable indentation.
HTML Entity Encoder & Decoder
Encode special characters to HTML entities or decode entities to plain text in named, decimal, or hex.
Unix Timestamp & Date Converter
Convert Unix epoch timestamps to human dates and dates to timestamps. Real-time epoch clock and global timezone comparisons. 100% private developer tool.
HEX, RGB, HSL & CMYK Color Converter
Convert colors between HEX, RGB, HSL, HSV, and CMYK in real-time with alpha transparency, WCAG contrast meters, and CSS code presets.
Regular Expression Tester & Debugger
Test and debug regular expressions in real-time with visual match highlighting, capture group extraction, replacement, and cheat sheets.
JSON Diff & Semantic Comparison Tool
Compare two JSON files semantically with deep structural difference analysis, key sorting, JSONPath markers, and visual split/tree views.
HTML Minifier & Markup Formatter
Minify HTML markup to compress page size or beautify messy HTML code with custom indentation. 100% private in-browser tool.
Linux Chmod Permissions Calculator
Calculate Linux chmod permissions, octal codes, symbolic notation, and SUID/SGID special bits. Real-time visual matrix. 100% private in-browser developer tool.
Crontab Schedule Generator & Explainer
Generate and explain crontab schedules with a visual cron builder. Calculates human-readable descriptions and next 5 run times. 100% private in-browser tool.
cURL to Fetch & Code Converter
Convert cURL commands to JavaScript Fetch, Axios, Python Requests, Node.js, PHP, and Go code online. 100% private client-side converter.
Docker Run to Docker Compose Converter
Convert docker run CLI commands into clean docker-compose.yml files instantly. 100% private in-browser tool supporting all flags.
JSON to TypeScript Interface Generator
Convert JSON to TypeScript interfaces and types online. Generates clean, strongly-typed interfaces with optional fields, union types, and zero server uploads.
JSON to JSON Schema Generator
Convert JSON to standardized JSON Schema documents online. Supports Draft-07, Draft-2020-12, format inference, required fields, and examples.
Binary Code Translator
Translate binary code to text and convert text to binary online. Supports UTF-8 emojis, custom delimiters, bit density metrics, and instant client-side conversion.
HTML to JSX Converter
Convert raw HTML and SVG markup to clean React JSX components online. Handles className, inline styles, self-closing tags, and TypeScript. 100% private tool.
CSS to Tailwind Converter
Convert CSS stylesheets and inline styles to Tailwind CSS utility classes online. Supports Flexbox, Grid, colors, spacing, and arbitrary values. 100% private.
SVG Optimizer & Minifier
Compress, clean, and minify SVG files online. Strip editor metadata, round coordinate decimals, and reduce SVG size up to 70% with live preview. 100% private.
CSS Gradient Generator
Create beautiful CSS gradients online. Visual editor for linear, radial, and conic gradients with color stops, angle controls, and Tailwind export. 100% free.
CSS Box Shadow Generator
Generate smooth, realistic CSS box shadows with live preview. Multi-layer shadow maker with Tailwind CSS export, presets, and inset controls. 100% free.
Color Palette Generator
Generate beautiful, harmonious color palettes online. Swatch lock, 7 harmony modes, Tailwind 50-950 shades, WCAG contrast, and CSS export. 100% free.
CSS Clip Path Generator
Create custom CSS clip-paths and polygon masks with an interactive visual editor. Draggable points, presets, Tailwind export, and SVG clipPath. 100% free.
SVG Pattern Generator
Generate seamless SVG background patterns and textures online. Customize colors, scale, and opacity. Export CSS data URI, SVG file, or Tailwind. 100% free.
CSS Glassmorphism Generator
Design modern frosted glass UI cards online. Live preview with blur, saturation, border highlights, and Tailwind CSS export. 100% free and client-side.
SVG to JSX Converter
Convert SVG code or files into clean React JSX or TSX components online. Automatic camelCase attributes, TypeScript support, 1em icon sizing. 100% free.
CSS Triangle Generator
Generate pure CSS triangles and arrows using the border trick. 8 directions, tooltip pseudo-elements, Tailwind export, and live preview. 100% free.
cURL to Python Converter
Convert cURL commands to Python code instantly. Supports requests, httpx, and urllib. Auto-detects JSON, headers, auth, and cookies. 100% private and free.
JSON to Zod Schema Generator
Convert JSON into TypeScript Zod validation schemas online. Supports nested objects, arrays, smart format detection (date, email, URL, UUID), and type inference.
CSS Border Radius Generator
Generate organic 8-point CSS border radius shapes and fluid blob animations online. Interactive drag handles, presets, and Tailwind CSS classes.
JSON to Go Struct Converter
Convert JSON into idiomatic Go (Golang) structs online. Supports struct tags, omitempty, nested structs, time.Time detection, and pointer types.
CSS Neumorphism Generator
Create soft UI neumorphic shapes, buttons, and cards online. Dual shadow elevation, concave/convex surfaces, and Tailwind CSS code export.
cURL to Go Converter
Convert cURL commands to idiomatic Go (Golang) net/http code online. Supports headers, JSON bodies, basic auth, and cookies. Fast, 100% private in-browser.
cURL to Rust Converter
Convert cURL commands to idiomatic Rust reqwest code online. Supports async tokio, blocking client, JSON payloads, and Cargo.toml. 100% free and private.
JSON to Rust Struct Converter
Convert JSON to idiomatic Rust structs online with Serde Serialize and Deserialize derives, Option handling, and Cargo.toml. 100% free and private.
cURL to PHP Converter
Convert cURL commands to native PHP curl_init or Guzzle HTTP code online. Supports JSON, headers, basic auth, cookies, and timeouts. 100% free and private.
JSON to Python Model Converter
Convert JSON to Python Pydantic v2 models, dataclasses, and TypedDict schemas online. Features type annotations, field alias mapping, and instant download.
cURL to C# Converter
Convert cURL commands to modern C# .NET HttpClient and RestSharp code online. Features async/await, JSON payloads, headers, auth, and instant download.
JSON to C# Converter
Convert JSON to idiomatic C# classes, records, and POCOs online. Features System.Text.Json and Newtonsoft.Json attributes, nullable types, and instant download.
cURL to Java Converter
Convert cURL commands to modern Java 11+ HttpClient and OkHttp code online. Features headers, JSON payloads, basic auth, and instant file download.
JSON to Java Converter
Convert JSON to Java 16+ records, POJOs, and Lombok classes online. Features Jackson and Gson annotations, nested DTOs, and instant .java file export.
JSON to Kotlin Converter
Convert JSON to idiomatic Kotlin data classes online. Supports kotlinx.serialization, Moshi, Jackson, Gson, val/var, nullability, and instant .kt file export.
JSON to Swift Converter
Convert JSON to Swift Codable structs online. Features automatic CodingKeys, Decodable, Identifiable, let/var modifiers, and instant .swift file export.
JSON to Dart Converter
Convert JSON to null-safe Dart 3 models online. Features fromJson/toJson, json_serializable, Freezed annotations, and instant .dart file export.
cURL to Node.js Converter
Convert cURL commands to modern Node.js code with Axios, native Node 18+ Fetch, and HTTPS. Features ESM/CommonJS, JSON payloads, and instant .js export.
cURL to Dart Converter
Convert cURL commands to modern Dart and Flutter code with package:http, Dio, and dart:io HttpClient. Supports JSON payloads, auth, and instant .dart export.
cURL to Swift Converter
Convert cURL commands to modern Swift code with URLSession async/await, closures, and Alamofire. Features JSON payloads, auth, and instant .swift export.
cURL to Kotlin Converter
Convert cURL commands to modern Kotlin code with Ktor Client coroutines, Android OkHttp, and Java 11. Features JSON payloads, auth, and instant .kt export.
Meta Tag Generator & Open Graph Previewer
Generate HTML SEO meta tags, Open Graph tags, and Twitter Cards with real-time visual previews for Google, X, Facebook, LinkedIn, and Discord. 100% private.
Color Contrast Checker (WCAG 2.1)
Test color contrast ratios according to WCAG 2.1 guidelines. Verify AA & AAA accessibility for normal text, large headings, and UI icons with live playground.
JSON to PHP Converter
Convert JSON to modern PHP 8.1+ readonly DTOs with Constructor Property Promotion, PHP 7.4 Typed Classes with getters/setters, or native associative arrays.
SVG to Data URI Converter
Convert SVG code into optimized UTF-8 URL-encoded or Base64 Data URIs and ready-to-use CSS background-image, mask-image, and HTML <img> snippets.
cURL to Ruby Converter
Convert cURL commands to Ruby code using Net::HTTP (standard library), Faraday, or HTTParty. 100% in-browser, secure, and private.
CSS Grid Generator
Design interactive CSS Grid layouts visually. Define fractional & pixel tracks, drag-and-drop named grid areas, and export clean CSS & HTML markup.
CSV to SQL Converter
Convert CSV and TSV spreadsheets to SQL queries, CREATE TABLE DDL schemas, and batch INSERT statements online. 100% private in-browser conversion with multi-dialect support.
CSS Keyframes & Animation Generator
Create custom CSS @keyframes animations and visual transitions online with real-time 60 FPS preview, visual timeline editor, and Tailwind CSS export.
URL Parser & Query String Editor
Deconstruct URLs into protocol, host, path, and query parameters online. Edit query parameters, strip UTM tags, and export to cURL and JSON.
SQL to CSV Converter
Convert SQL INSERT statements and database dumps to RFC 4180 CSV or TSV spreadsheets online. 100% private in-browser conversion with multi-row batch support.
YAML Formatter & Validator
Format, validate, and beautify YAML documents and Kubernetes manifests directly in your browser. Detects tabs, indents, and converts to JSON.
JSON to Protobuf (Proto3) Converter
Convert JSON to Protocol Buffers (Proto3) schemas online. Generates clean, strongly-typed proto definitions with auto field tagging, snake_case normalization, and zero server uploads.
Color Shade & Tint Generator
Generate Tailwind CSS 50-950 color scales, tints, shades, and WCAG 2.1 contrast ratios with instant CSS and SVG exports.
.gitignore Generator
Generate production-ready .gitignore files for Node, Python, React, macOS, VSCode, and 40+ tech stacks online. Select templates, merge rules, and download instantly.
Robots.txt Generator
Generate custom robots.txt files for search engines and AI web scrapers online. Configure allow/disallow rules, add sitemaps, and download instantly.
PX to REM & REM to PX Converter
Convert pixels (px) to relative units (rem, em) and vice versa online. Includes batch CSS code converter and customizable root base font size.
Binary to Hex & Hex to Binary Converter
Convert binary bitstrings to hexadecimal bytes and vice versa online. Supports arbitrary bit length, nibble grouping, and code prefixes.
Cron Expression Tester & Schedule Explainer
Test, debug, and explain cron expressions online. Verify crontab syntax, preview upcoming execution dates, and translate schedules into plain English.
UUIDv7 & ULID Generator
Generate timestamp-ordered RFC 9562 UUIDv7 and sortable ULID identifiers online. Decode embedded timestamps, generate bulk IDs, and format outputs.
Color Blindness Simulator & Accessibility Checker
Simulate color vision deficiencies online. Test palettes, colors, and images against Protanopia, Deuteranopia, Tritanopia, and Achromatopsia for WCAG accessibility.
Punycode & IDN Domain Converter
Convert internationalized domain names (IDN) between Unicode and ASCII Punycode (xn--) online. Supports full URLs, subdomains, and batch conversions.
JWT Signature Verifier & Key Validator
Verify JWT token signatures online using HMAC secrets or public keys. Inspect expiration, validate claims, and debug auth tokens with 100% in-browser privacy.
CSS Flexbox Generator & Visual Playground
Visually design CSS Flexbox layouts with real-time controls. Generate clean vanilla CSS and Tailwind classes for navbars, grids, centering, and card layouts.
JSON to OpenAPI 3.0 & Swagger Schema Converter
Convert JSON payloads into OpenAPI 3.0, 3.1, or Swagger 2.0 schema definitions in YAML and JSON format. Infers types, formats, examples, and required fields.
JSON Schema to TypeScript Converter
Generate clean TypeScript interfaces and types from JSON Schema Draft-04, Draft-07, and Draft 2020-12 specifications online.
JSON Schema to Zod Schema Converter
Convert JSON Schema Draft-04, Draft-07, and Draft 2020-12 specifications into TypeScript Zod validation schemas online.
JSON to GraphQL Schema Generator
Convert JSON objects and API payloads into clean GraphQL SDL schemas, types, and queries.
GraphQL Schema to JSON Generator
Convert GraphQL SDL schema types into realistic mock JSON objects and test fixtures.
GraphQL Schema to TypeScript Generator
Convert GraphQL SDL schemas, types, enums, and unions into strongly-typed TypeScript interfaces.
GraphQL Schema to Zod Schema Generator
Convert GraphQL SDL schemas, types, enums, and inputs into runtime Zod validation schemas.
TypeScript Error Lookup and Fix
Look up any TypeScript compiler error code and get its exact meaning with ordered fix steps. Free, private, 100% in-browser.
JSON to Apache Avro Schema Generator
Convert JSON payloads and event data into valid Apache Avro Schema (.avsc) definitions.
Apache Avro Schema to JSON Generator
Convert Apache Avro Schema (.avsc) definitions into realistic sample JSON payloads and mock fixtures.
Apache Avro Schema to TypeScript Generator
Convert Apache Avro Schema (.avsc) definitions into clean, strongly-typed TypeScript interfaces.
Apache Avro Schema to Zod Schema Generator
Convert Apache Avro Schema (.avsc) definitions into runtime Zod schemas with TypeScript inference.
Protobuf to JSON Generator
Convert Protocol Buffers (.proto) definitions into realistic sample JSON payloads and mock fixtures.
Protobuf to TypeScript Generator
Convert Protocol Buffers (.proto) definitions into clean, strongly-typed TypeScript interfaces.
Protobuf to Zod Schema Generator
Convert Protocol Buffers (.proto) definitions into runtime Zod schemas with TypeScript inference.
OpenAPI to TypeScript Generator
Convert OpenAPI 3.x and Swagger 2.0 schema specifications into strongly-typed TypeScript interfaces.
OpenAPI to Zod Schema Generator
Convert OpenAPI 3.x and Swagger 2.0 schema definitions into runtime Zod schemas with TypeScript inference.
OpenAPI to JSON Mock Generator
Generate realistic mock JSON payloads and sample response fixtures from OpenAPI and Swagger definitions.
JSON Schema to Mock JSON Data Generator
Generate realistic sample JSON payloads and mock fixtures directly from JSON Schema definitions.
JSON Schema to Protobuf Converter
Convert JSON Schema definitions into clean, strongly-typed Protocol Buffers v3 message contracts.
Protobuf to JSON Schema Converter
Convert Protocol Buffers (.proto) definitions into standardized, compliant JSON Schema specifications.
Apache Avro to JSON Schema Converter
Convert Apache Avro (.avsc) definitions into standardized, compliant JSON Schema specifications.
JSON Schema to Apache Avro Converter
Convert JSON Schema definitions into clean, compliant Apache Avro (.avsc) record specifications.
OpenAPI to Protobuf Converter
Convert OpenAPI and Swagger specifications into strongly typed Protocol Buffers v3 messages and gRPC services.
Protobuf to OpenAPI Converter
Convert Protocol Buffers (.proto) definitions into clean, compliant OpenAPI 3.0 specifications.
GraphQL Schema to JSON Schema Converter
Convert GraphQL SDL definitions into standardized, compliant JSON Schema specifications.
JSON Schema to GraphQL Schema Converter
Convert JSON Schema definitions into clean, compliant GraphQL SDL types and schemas.
OpenAPI to GraphQL Schema Converter
Convert OpenAPI and Swagger API specifications into clean, compliant GraphQL SDL schemas.
GraphQL Schema to OpenAPI Converter
Convert GraphQL SDL definitions into clean, compliant OpenAPI 3.0 and Swagger specifications.
Protobuf to GraphQL Schema Converter
Convert Protocol Buffers (.proto) definitions into clean, compliant GraphQL SDL schemas.
GraphQL Schema to Protobuf Converter
Convert GraphQL SDL definitions into clean, compliant Protocol Buffers (Proto3) files.
Apache Avro to Protobuf Converter
Convert Apache Avro (.avsc) schemas into clean, compliant Protocol Buffers (Proto3) files.
Protobuf to Apache Avro Converter
Convert Protocol Buffers (Proto3) definitions into valid Apache Avro (.avsc) schemas.
Apache Avro to OpenAPI Converter
Convert Apache Avro schemas into compliant OpenAPI 3.0 and 3.1 specifications.
OpenAPI to Apache Avro Converter
Convert OpenAPI and Swagger specifications into valid Apache Avro (.avsc) schemas.
Apache Avro to GraphQL Schema Converter
Convert Apache Avro schemas into compliant GraphQL Schema Definition Language (SDL).
GraphQL Schema to Apache Avro Converter
Convert GraphQL SDL types, enums, and lists into valid Apache Avro (.avsc) schemas.
TypeScript to JSON Schema Converter
Convert TypeScript interfaces, types, and enums into standard JSON Schema definitions.
TypeScript to Zod Schema Generator
Convert TypeScript interfaces and types into runtime Zod validation schemas.
Zod to TypeScript Type Converter
Convert Zod validation schemas into static TypeScript interfaces and types.
Zod to JSON Schema Converter
Convert Zod validation schemas into JSON Schema Draft-07 and 2020-12.
Zod to OpenAPI Schema Generator
Convert Zod validation schemas into OpenAPI 3.0 and 3.1 specifications.
Zod to GraphQL Schema Converter
Convert Zod validation schemas into GraphQL SDL types and input definitions.
Zod to Protobuf Converter
Convert Zod validation schemas into Protocol Buffers Proto3 definitions.
Jenkins to GitHub Actions Migrator
Convert Jenkinsfile pipelines to starter GitHub Actions workflows with a manual-gap checklist and effort estimate. 100% private in-browser tool.
OpenAI vs Anthropic API Cost Comparison
Compare OpenAI vs Anthropic API costs for your token mix with exact per-1M math, verdict badge, and token estimator — 100% private in-browser tool.
Zod to Apache Avro Schema Converter
Convert Zod validation schemas into Apache Avro (.avsc) record schemas.
TypeScript to OpenAPI Schema Generator
Convert TypeScript interfaces and type aliases into OpenAPI 3.0 and 3.1 schemas.
TypeScript to GraphQL Schema Generator
Convert TypeScript interfaces and type aliases into GraphQL SDL schemas.
TypeScript to Protobuf (Proto3) Converter
Convert TypeScript interfaces and type aliases into Protocol Buffers Proto3 definitions.
TypeScript to Apache Avro Schema Converter
Convert TypeScript interfaces and type aliases into Apache Avro (.avsc) schemas.
JSON Schema to OpenAPI Converter
Convert JSON Schema Draft-07 and 2020-12 into OpenAPI 3.0 and 3.1 schemas.
OpenAPI to JSON Schema Converter
Convert OpenAPI 3.0 and 3.1 specifications into standard JSON Schema.
TypeScript to JSON Converter
Convert TypeScript interfaces and types into realistic mock JSON data.
Zod to JSON Converter
Convert Zod validation schemas into realistic mock JSON data.
.env to JSON Converter
Convert .env and dotenv configuration files into formatted JSON.
JSON to .env Converter
Convert JSON configuration objects into clean .env and dotenv files.
.env to YAML Converter
Convert .env and dotenv files into clean YAML and Docker/K8s manifests.
YAML to .env Converter
Convert YAML files and Docker/K8s manifests into clean .env files.
cURL to JSON Converter
Convert cURL commands into structured JSON request objects, Postman items, and extracted payloads.
HAR to cURL Converter
Convert HAR (HTTP Archive) files into reproducible cURL commands with filtering and headers control.
Docker Compose to Docker Run Converter
Convert Docker Compose services into executable docker run terminal commands with ports, volumes, and env vars.
SQL to Prisma Schema Converter
Convert SQL CREATE TABLE DDL statements into clean Prisma ORM schema models with data types and attributes.
Prisma Schema to SQL DDL Converter
Convert Prisma schema models into executable SQL CREATE TABLE DDL statements for PostgreSQL, MySQL, and SQLite.
cURL to HAR Converter
Convert cURL commands into valid HTTP Archive (HAR 1.2) JSON files for API clients and debugging proxies.
cURL to PowerShell Converter
Convert cURL commands into clean PowerShell Invoke-RestMethod and Invoke-WebRequest scripts instantly.
Docker Compose to Kubernetes Converter
Convert Docker Compose YAML files into standard Kubernetes Deployment and Service manifests online.
Kubernetes to Docker Compose Converter
Convert Kubernetes Deployment and Service manifests into Docker Compose YAML online.
Nginx to Caddyfile Converter
Convert Nginx server blocks and reverse proxy configurations into Caddyfile v2 online.
Caddyfile to Nginx Configuration Converter
Convert Caddyfile v2 directives into production-ready Nginx server configurations online.
GitHub Actions to GitLab CI Converter
Convert GitHub Actions workflow YAML files into standard GitLab CI pipeline configurations online.
GitLab CI to GitHub Actions Converter
Convert GitLab CI/CD pipeline YAML files into standard GitHub Actions workflows online.
cURL to Axios Converter
Convert cURL commands to modern Axios JavaScript and Node.js requests online instantly.
Axios to cURL Converter
Convert Axios JavaScript requests into ready-to-run terminal cURL commands online instantly.
Fetch to cURL Converter
Convert JavaScript Fetch requests into ready-to-run terminal cURL commands online instantly.
Postman to cURL Converter
Convert Postman collections and request JSON into ready-to-run terminal cURL commands online.
SQL to Knex.js Converter
Convert raw SQL queries into clean Knex.js query builder method chains online instantly.
Knex.js to SQL Converter
Convert Knex.js JavaScript query builder chains into clean, executable raw SQL statements online.
SQL to Zod Schema Converter
Convert SQL CREATE TABLE DDL into clean Zod validation schemas and TypeScript types online.
Zod to SQL DDL Converter
Convert TypeScript Zod validation schemas into relational SQL CREATE TABLE DDL statements online.
SQL to Drizzle ORM Schema Converter
Convert SQL CREATE TABLE DDL into clean Drizzle ORM TypeScript schema definitions online.
Drizzle ORM to SQL DDL Converter
Convert Drizzle ORM TypeScript schemas into clean SQL CREATE TABLE DDL statements online.
SQL to TypeORM Entity Generator
Convert SQL CREATE TABLE DDL into clean TypeScript TypeORM entity classes online.
TypeORM Entity to SQL DDL Converter
Convert TypeScript TypeORM entity classes into clean SQL CREATE TABLE DDL statements online.
SQL to Kysely Interface Generator
Convert SQL CREATE TABLE DDL into clean type-safe Kysely TypeScript database interfaces online.
Kysely to SQL DDL Converter
Convert Kysely TypeScript database interfaces into clean, executable SQL CREATE TABLE DDL statements online.
Prisma to Zod Schema Generator
Convert Prisma schema models into clean, type-safe Zod validation schemas online.
Zod to Prisma Model Converter
Convert Zod validation schemas into clean, idiomatic Prisma schema models online.
Prisma to Drizzle Schema Converter
Convert Prisma schema models into clean, idiomatic Drizzle ORM TypeScript schemas online.
Drizzle to Prisma Schema Converter
Convert Drizzle ORM TypeScript schemas into clean, idiomatic Prisma schema models online.
GraphQL Schema to TypeScript Generator
Convert GraphQL Schema Definition Language (SDL) into type-safe TypeScript interfaces online.
TypeScript Interface to GraphQL Schema Converter
Convert TypeScript interfaces, types, and enums into clean GraphQL Schema Definition Language (SDL) online.
GraphQL Schema to JSON Schema Converter
Convert GraphQL Schema Definition Language (SDL) types, inputs, and enums into standard JSON Schema online.
Drizzle ORM to Zod Schema Generator
Generate runtime Zod validation schemas and TypeScript types directly from Drizzle ORM tables online.
Zod Schema to Drizzle ORM Schema Converter
Convert runtime Zod validation schemas into type-safe Drizzle ORM table definitions online.
Prisma Schema to Kysely Interface Generator
Generate type-safe Kysely TypeScript table interfaces directly from Prisma schema models online.
Kysely TypeScript Interfaces to Prisma Model Converter
Convert Kysely TypeScript table interfaces into Prisma schema models with enums and defaults online.
Kysely TypeScript Interfaces to Zod Schema Generator
Convert Kysely TypeScript table interfaces into type-safe runtime Zod validation schemas online.
Zod Schema to Kysely Interface Generator
Convert runtime Zod validation schemas into type-safe Kysely TypeScript table interfaces online.
Drizzle to Kysely Interface Generator
Convert Drizzle ORM table schemas into type-safe Kysely TypeScript table interfaces online.
Kysely to Drizzle ORM Schema Converter
Convert Kysely TypeScript table interfaces into Drizzle ORM schema definitions online.
Prisma Schema to TypeORM Entity Converter
Convert Prisma schema models into TypeORM TypeScript entity classes online.
TypeORM Entity to Prisma Schema Converter
Convert TypeORM TypeScript entity classes into Prisma schema models online.
Drizzle to TypeORM Entity Converter
Convert Drizzle ORM schema tables into TypeORM TypeScript entity classes with decorators, column types, and relationships. Free, private, 100% in-browser.
TypeORM to Drizzle ORM Schema Converter
Convert TypeORM TypeScript entity classes into Drizzle ORM schema table definitions (pgTable, mysqlTable, sqliteTable). Free, private, in-browser.
TypeORM Entity to Kysely Interface Generator
Convert TypeORM entity classes into Kysely TypeScript interfaces with Generated, ColumnType, and master Database interface. Free, private, in-browser.
Kysely to TypeORM Entity Generator
Convert Kysely TypeScript interfaces into TypeORM entity classes with @Entity, @PrimaryGeneratedColumn, and column decorators. Free, private, in-browser.
TypeORM Entity to Zod Schema Generator
Convert TypeORM entity classes into Zod runtime validation schemas with dual select and insert modes, string format validation, and inferred TypeScript types. Free, private, in-browser.
Zod Schema to TypeORM Entity Generator
Convert Zod validation schemas into decorated TypeORM entity classes with primary keys, column types, enums, and timestamps. Free, private, in-browser.
GraphQL Schema to Zod Schema Generator
Convert GraphQL Schema Definition Language (SDL) into type-safe Zod runtime validation schemas with inverted nullability, enums, unions, and types.
SQL DDL to GraphQL Schema Generator
Convert SQL CREATE TABLE statements into GraphQL SDL types, inputs, queries, and mutations online.
GraphQL Schema to SQL DDL Converter
Convert GraphQL SDL types into SQL CREATE TABLE DDL queries for PostgreSQL, MySQL, and SQLite.
GraphQL Schema to Drizzle ORM Schema Generator
Convert GraphQL SDL types into TypeScript Drizzle ORM schema tables and relations online.
Drizzle ORM Schema to GraphQL Schema Generator
Convert Drizzle ORM schemas into clean GraphQL SDL types, inputs, queries, and mutations online.
GraphQL Schema to Prisma Schema Converter
Convert GraphQL SDL schemas into clean Prisma ORM models, relations, and enums online.
Prisma Schema to GraphQL Schema Generator
Convert Prisma Schema models into clean GraphQL SDL types, queries, mutations, and inputs online.
TypeORM Entity to GraphQL Schema Generator
Convert TypeORM TypeScript entity classes and decorators into clean GraphQL SDL types, queries, mutations, and inputs.
GraphQL Schema to TypeORM Entity Generator
Convert GraphQL Schema Definition Language (SDL) types, fields, enums, and relations into TypeScript TypeORM entity classes.
Kysely Interface to GraphQL Schema Generator
Convert Kysely TypeScript table interfaces, Generated<T>, and ColumnType definitions into GraphQL SDL types, queries, and mutations.
GraphQL Schema to Kysely Interface Generator
Convert GraphQL SDL types, fields, and relations into type-safe TypeScript Kysely table interfaces and master Database interface.
JSON Schema to GraphQL Schema Generator
Convert JSON Schema models, definitions, and required constraints into GraphQL SDL types, queries, and mutations.
JSON Schema to SQL DDL Converter
Convert JSON Schema Draft 2020-12 and OpenAPI models into multi-dialect SQL DDL (PostgreSQL, MySQL, SQLite) with primary keys, formats, and constraints.
SQL DDL to JSON Schema Converter
Convert SQL DDL statements (PostgreSQL, MySQL, SQLite) into standardized JSON Schema (Draft 2020-12 / Draft-07) with types, formats, and constraints.
JSON Schema to Prisma Schema Converter
Convert JSON Schema Draft 2020-12 and OpenAPI models into production-ready Prisma schema models, enums, relations, and timestamps.
Prisma Schema to JSON Schema Converter
Convert Prisma Schema (schema.prisma) models to JSON Schema (Draft 2020-12 & Draft-07) instantly in your browser with inverted nullability.
JSON Schema to Drizzle ORM Schema Converter
Convert JSON Schema definitions into type-safe Drizzle ORM schemas for PostgreSQL, MySQL, and SQLite instantly in your browser.
Drizzle ORM Schema to JSON Schema Converter
Convert Drizzle ORM schemas (pgTable, mysqlTable, sqliteTable) into JSON Schema Draft 2020-12 & Draft-07 instantly in your browser.
JSON Schema to TypeORM Entity Converter
Convert JSON Schema definitions into production TypeORM TypeScript entities with decorators, enums, and relations instantly in your browser.
TypeORM Entity to JSON Schema Converter
Convert TypeORM TypeScript entities into standard JSON Schema definitions (Draft 2020-12 & Draft-07) with inverted nullability, enums, and relations.
EADDRINUSE Fix for Node.js
Generate the exact OS commands that find what is holding your port, stop it, and restart or move a Node.js dev server — copy-paste ready.
MySQL to PostgreSQL Converter
Convert MySQL DDL and mysqldump excerpts to PostgreSQL DDL in your browser: type mapping, statement rewrites, manual-gap checklist and effort estimate. 100% client-side, no upload.
About the Developer Utilities Pipeline
Every tool in the Developer Utilities suite is engineered with strict adherence to client-side computing standards. Unlike traditional cloud services that transfer your confidential files, code, or financial records to third-party server farms, UtilityHub processes every byte locally within your browser memory using HTML5 Canvas, Web Cryptography, and ECMAScript Web APIs.