Developer Tools
Browser-based daily tools for engineers, including JSON, Excel, CSV, arrays, SQL, Markdown, XML, structured diff, time conversion, and code editing.
- ✓Runs entirely in your browser — no data is ever uploaded to a server.
- ✓Supports data conversion, formatting, text comparison, time conversion, and quick code editing.
- ✓Handles messy input — relaxed JSON, tab-separated text, XLSX and CSV files, JS object literals, and ordinary code snippets.
- ✓Free to use with no login required.
Excel to Array
Convert Excel or CSV data into Array, JSON, code, table, SQL, YAML, ENV, or XML output.
JSON Parser & Converter
Format, minify, repair, and convert JSON to TypeScript, JavaScript, PHP, Python, Go, YAML, TOML, ENV, CSV, Markdown, XML, and more.
Text Diff Checker
Compare two inputs like git diff and list additions, removals, and changes. Supports text, JSON, Array, Parentheses, HTML Table, JS / TS / PHP / Python / Go data formats, CSV, TSV, YAML, XML, Query String, and ENV.
Time Converter
Convert Unix timestamps and date strings between source and target time zones, view common formats, and adjust days, hours, minutes, or seconds.
Code Editor
A lightweight code editor with syntax highlighting, preview, find and replace, formatting, local tab management, and practical shortcuts.