JoyTools
A privacy-first suite of web utilities processing code, SQL, and files entirely in browser memory.
Open productWhat it does
About JoyTools
JoyTools is a collection of browser-based utilities built for developers, privacy enthusiasts, and digital creators. Running entirely on client-side JavaScript and WebAssembly (WASM), JoyTools processes files, code snippets, and data locally without uploading anything to remote servers. The platform offers tools to beautify SQL queries, merge PDF files with drag-and-drop page reordering, and generate TypeScript interfaces, API clients, or React Query hooks from OpenAPI and Swagger specifications without sign-ups or usage limits.
- Availability:
- launched
- Access:
- free
- Format:
- software
- Platform:
- web
Pricing at launch: Completely free with no usage limits or required sign-ups.
Core capabilities
SQL Query Formatting
Formats and beautifies SQL queries with support for multiple database dialects including PostgreSQL, MySQL, and SQLite.
PDF File Merging
Merges multiple PDF files into a single document, providing drag-and-drop capabilities to reorder pages prior to processing.
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