Generate JSON Server configuration files from endpoint definitions. Set up a fully functional mock API server in seconds.
TOML tools (JSON to TOML, TOML to JSON, TOML validator), YAML tools (YAML to JSON, JSON to YAML, JSON to Toon, YAML validator), XML & SQL tools (XML to JSON/YAML/CSV/Toon, XML validator, SQL INSERT to JSON/CSV), and TSV tools (TSV to CSV).
Generate realistic mock JSON data from a schema description. Ideal for rapid API prototyping and frontend development without a backend.
Bidirectional YAML to JSON and JSON to YAML conversion with auto-format detection and real-time preview. Perfect for configuration files, API payloads, and data migration.
Analyze CSV, generate CSV data, query JSON with path expressions, compare JSON diffs, minify JSON, sort CSV, view JSON tree, and preview CSV tables.
Reads CSV files and converts each row into a structured JSON object, correctly inferring data types and handling quoted fields.
API Mock Server Config lets you generate JSON Server configuration files from endpoint definitions. Set up a fully functional mock API server in seconds.. Everything runs inside your browser — nothing is uploaded to a server. It works on any device with a modern web browser.
Generate JSON Server configuration files from endpoint definitions. Set up a fully functional mock API server in seconds. It's ideal for developers, designers, and anyone who needs to generate json server configuration files from endpoint definitions without installing software or sending data to external servers.
Direct text entry, file upload, or URL-based input — depending on the tool. Paste or type your content directly into the provided editor area.
Yes. After the initial page load, API Mock Server Config runs entirely on your device with no internet connection needed. All processing is done locally.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check individual tool descriptions for specifics.
No. All code processing — formatting, minification, conversion, hashing — runs locally in your browser.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. SQL uses sql-formatter, JSON uses native JSON.parse, and other formatters follow widely adopted formatting rules.
Yes. All developer tools work fully offline after the initial page load.
Time Converter
Convert between time units including seconds, minutes, hours, days, weeks, months, and years with precise decimal results.
Diff Checker
Compares two input texts side-by-side, highlighting inserted, deleted, and changed lines with distinct background colors.
Regex Tester
Provides an interactive environment where users can write a regular expression pattern, test it against sample strings, and view real-time match.
JSON Formatter
Pretty-prints raw JSON with configurable indent width, key sorting, and bracket collapsing options while flagging syntax errors with exact.
JS Minifier
Strips comments, whitespace, and shortens local variable names in JavaScript source without altering execution semantics.
Base64 Encode/Decode
Encodes text or small files into Base64 strings and decodes them back with automatic MIME-type detection for binary safety.