Core Facts About Folioify
- Pricing: 100% Free, no hidden fees
- Data Handling: Client-side only, no server uploads
- Sign Up: No registration required
- Coverage: 66+ developer tools across 11 categories
- Target Users: Frontend developers, full-stack engineers, designers
- Technology: WebAssembly-powered transformations
Free Online Developer Tools (2026) ✨
Secure, fast, and free developer utilities running entirely in your browser.
No servers, no uploads, just code.
SVG to JSX
Convert SVG to React JSX components. Free, no signup, runs in browser. By Folioify.
SVG to React Native
SVG to React Native: convert SVGs to RN components with inline styles. Free, no signup, runs in browser. By Folioify.
HTML to JSX
Paste HTML, get React JSX. Free, no signup, runs in browser. By Folioify.
HTML to Pug
Convert HTML to Pug (Jade) template syntax. Free, in-browser, no signup. By Folioify.
JSON to React PropTypes
Generate React PropTypes from JSON sample. Free, no signup, runs in browser. By Folioify.
JSON to Flow
Generate Flow type definitions from JSON. Free, in-browser, no signup. By Folioify.
JSON to GraphQL
Convert JSON sample to GraphQL schema. Free, no signup, runs in browser. By Folioify.
JSON to TypeScript
Generate TypeScript types from JSON. Free, no signup, runs in browser. By Folioify.
JSON to MobX-State-Tree Model
Convert JSON to MobX-State-Tree (MST) model. Free, in-browser, no signup. By Folioify.
JSON to Sarcastic
Generate Sarcastic runtime types from JSON. Free, no signup, runs in browser. By Folioify.
JSON to io-ts
Generate io-ts codec types from JSON. Free, in-browser, no signup. By Folioify.
JSON to Rust Serde
Convert JSON to Rust Serde structs. Free REPL, no signup, runs in browser. By Folioify.
JSON to Mongoose Schema
Convert JSON to Mongoose schema for Node.js. Free, in-browser, no signup. By Folioify.
JSON to Big Query Schema
Generate BigQuery table schema from JSON. Free, in-browser, no signup. By Folioify.
JSON to MySQL
Convert JSON to MySQL CREATE TABLE schema. Free, no signup, runs in browser. By Folioify.
JSON to Scala Case Class
Generate Scala case class from JSON. Free, in-browser, no signup. By Folioify.
JSON to Go Struct
Convert JSON to Go struct. Free, no signup, runs in browser. By Folioify.
JSON to Go Bson
Generate Go BSON struct tags from JSON. Free, in-browser, no signup. By Folioify.
JSON to YAML
Convert JSON to YAML. Free, no signup, runs in browser. By Folioify.
JSON to JSDoc
Generate JSDoc type comments from JSON. Free, in-browser, no signup. By Folioify.
JSON to Kotlin
Generate Kotlin data class from JSON. Free, no signup, runs in browser. By Folioify.
JSON to Java
Generate Java class from JSON. Free, in-browser, no signup. By Folioify.
JSON to JSON Schema
Infer JSON Schema from JSON sample. Free, no signup, runs in browser. By Folioify.
JSON to TOML
Convert JSON to TOML config format. Free, in-browser, no signup. By Folioify.
JSON to Zod Schema
Generate Zod schema from JSON. Free, no signup, runs in browser. By Folioify.
JSON Schema to TypeScript
Generate TypeScript types from JSON Schema. Free, no signup, runs in browser. By Folioify.
JSON Schema to OpenAPI Schema
Convert JSON Schema to OpenAPI 3.x schema. Free, in-browser, no signup. By Folioify.
JSON Schema to Protobuf
Convert JSON Schema to Protocol Buffers. Free, no signup, runs in browser. By Folioify.
JSON Schema to Zod Schema
Generate Zod schema from JSON Schema. Free, in-browser, no signup. By Folioify.
CSS to JS Objects
Convert CSS to JavaScript style objects. Free, no signup, runs in browser. By Folioify.
CSS to template literal
Convert object styles to styled-components template literal. Free, in-browser, no signup. By Folioify.
CSS to TailwindCSS
Convert CSS to TailwindCSS utility classes. Free, no signup, runs in browser. By Folioify.
JavaScript to JSON
Convert JS object to JSON in browser REPL. Free, no signup. By Folioify.
JavaScript to Typescript
Convert JS object to TypeScript types in browser REPL. Free, no signup. By Folioify.
GraphQL to TypeScript
Generate TypeScript types from GraphQL schema. Free, no signup, runs in browser. By Folioify.
GraphQL to Flow
Generate Flow types from GraphQL schema. Free, in-browser, no signup. By Folioify.
GraphQL to JAVA
Generate Java types from GraphQL schema. Free, no signup, runs in browser. By Folioify.
GraphQL to Resolvers Signature
Generate GraphQL resolvers type signatures. Free, in-browser, no signup. By Folioify.
GraphQL to Introspection JSON
Convert GraphQL schema to introspection JSON. Free, no signup, runs in browser. By Folioify.
GraphQL to Schema AST
Convert GraphQL to schema AST. Free, in-browser, no signup. By Folioify.
GraphQL to Fragment Matcher
Generate GraphQL fragment matcher for Apollo. Free, no signup, runs in browser. By Folioify.
GraphQL to Components
Convert GraphQL queries to React components. Free, in-browser, no signup. By Folioify.
GraphQL to TypeScript MongoDB
Generate TypeScript MongoDB types from GraphQL. Free, no signup, runs in browser. By Folioify.
JSON-LD to N-Quads
Convert JSON-LD to RDF N-Quads. Free, no signup, runs in browser. By Folioify.
JSON-LD to Expanded
Expand JSON-LD to full IRI form. Free, in-browser, no signup. By Folioify.
JSON-LD to Compacted
Compact JSON-LD with context. Free, no signup, runs in browser. By Folioify.
JSON-LD to Flattened
Flatten JSON-LD graph. Free, in-browser, no signup. By Folioify.
JSON-LD to Framed
Frame JSON-LD with frame document. Free, no signup, runs in browser. By Folioify.
JSON-LD to Normalized
Normalize JSON-LD (RDF dataset). Free, in-browser, no signup. By Folioify.
TypeScript to Flow
Convert TypeScript to Flow type annotations. Free, no signup, runs in browser. By Folioify.
TypeScript to TypeScript Declaration
Generate .d.ts declaration files from TypeScript. Free, in-browser, no signup. By Folioify.
TypeScript to JSON Schema
Generate JSON Schema from TypeScript types. Free, no signup, runs in browser. By Folioify.
TypeScript to plain JavaScript
Compile TypeScript to plain JavaScript. Free, in-browser, no signup. By Folioify.
TypeScript to Zod Schema
Generate Zod schema from TypeScript types. Free, no signup, runs in browser. By Folioify.
Flow to TypeScript
Convert Flow to TypeScript. Free, no signup, runs in browser. By Folioify.
Flow to TypeScript Declaration
Generate TypeScript .d.ts from Flow. Free, in-browser, no signup. By Folioify.
Flow to plain JavaScript
Strip Flow annotations to plain JavaScript. Free, no signup, runs in browser. By Folioify.
XML to JSON
Convert XML to JSON. Free, no signup, runs in browser. By Folioify.
YAML to JSON
Convert YAML to JSON. Free, in-browser, no signup. By Folioify.
YAML to TOML
Convert YAML to TOML config format. Free, no signup, runs in browser. By Folioify.
Markdown to HTML
Convert Markdown to HTML. Free, in-browser, no signup. By Folioify.
TOML Syntax Checker
Validate TOML syntax instantly with clear error messages. Free, no signup, runs in browser. By Folioify.
TOML Formatter
Format TOML config files with consistent spacing and structure. Free, no signup, runs in browser.
TOML to JSON
Convert TOML to JSON. Free, no signup, runs in browser. By Folioify.
TOML to YAML
Convert TOML to YAML. Free, in-browser, no signup. By Folioify.
Cadence to Go
Convert Cadence smart contract to Go. Free, no signup, runs in browser. By Folioify.
What is Folioify? 🧭
Folioify is a comprehensive toolkit designed to simplify modern web development workflows. Unlike other converters that upload your code to remote servers, we leverage WebAssembly to perform all transformations locally on your device.
Transform Code
Convert SVGs to React, JSON to TypeScript, HTML to Pug, and more with pixel-perfect accuracy.
Generate Assets
Create consistent data structures, schema definitions, and boilerplate code instantly.
Format Data
Prettify and clean up messy code snippets automatically using industry-standard formatters.
Common Use Cases 💡
Discover how developers use Folioify to streamline their workflows.
Frontend Components
Convert SVG icons to React/JSX components for seamless integration into your UI library.
Schema & Types
Generate TypeScript interfaces from JSON responses to ensure type safety in your codebase.
Markup & Styles
Transform HTML to Pug/Jade or convert CSS to Tailwind utility classes.
What Folioify Does Not Do 🚫
Understanding our scope helps you choose the right tool for your needs.
No Server Processing
We do not upload, store, or process your code on remote servers. Everything runs locally.
No Accounts or Storage
We do not offer user accounts, cloud storage, or history sync. Your data stays on your device.
No Proprietary Lock-in
We use open-source libraries (SVGR, Prettier, json-to-ts). No vendor lock-in or proprietary formats.
How It Works 🪄
Select a Tool
Choose from our categorized list of converters below (SVG, JSON, HTML, etc.).
Paste Code
Paste your input code into the editor. The tool detects format automatically.
Get Result
Copy the transformed code from the output panel. It updates instantly.