Developer File Converters

12 developer conversions, processed server-side. Free and unlimited for files up to 5 MB, no account required, and files are deleted immediately after conversion.

• URL Encode— Percent-encode a URL or string so it can be safely used in a query parameter or path segment
• URL Decode— Decode a percent-encoded URL or query string back to plain readable text
• Convert JSON to TypeScript— Generate TypeScript interfaces from a JSON object or array — useful for typing API responses
• Convert Cron to Human— Translate a cron expression into a plain-English description of its schedule
• Convert HAR to curl commands— Convert each request in a HAR network log to a shell curl one-liner
• Convert OpenAPI to Markdown docs— Generate human-readable Markdown API documentation from an OpenAPI / Swagger spec
• Convert SQL DDL to JSON schema— Parse SQL CREATE TABLE statements and output a JSON description of each table's columns and constraints
• Convert JSON to GraphQL schema— Infer a GraphQL SDL type definition from a JSON object or array
• JSON diff— Upload a ZIP containing two JSON files — get a structured diff showing added, removed, and changed values
• Convert HTML to Minified HTML— Minify HTML by removing comments and collapsing whitespace
• Convert CSS to Minified CSS— Minify CSS with safe optimizations and output compressed styles
• Convert TypeScript to Zod— Generate Zod schemas from exported TypeScript interfaces and types