216+ Free Online Tools – Fast, Simple, No Signup
All-in-one toolkit for developers, designers, and creators.
Categories
Pretty-print, minify, and tidy JSON with clear indentation for easier reading.
Validate JSON and highlight syntax errors quickly.
Generate TypeScript types from JSON data.
Generate JSON Schema from sample JSON input.
Convert JSON data into YAML format instantly.
Convert JSON data into JSON-LD format instantly.
Convert YAML data into JSON format instantly.
Convert CSV rows into structured JSON output.
Convert JSON arrays into CSV format quickly.
Convert XML documents into JSON format.
Convert TOML configuration into JSON data.
Format YAML with consistent indentation and spacing.
Validate YAML content and catch syntax mistakes.
Compare two YAML documents side by side.
Convert JSON data into YAML format instantly.
Convert YAML data into JSON format instantly.
Format CSV content for cleaner column alignment.
Validate CSV structure and delimiter consistency.
Convert CSV rows into structured JSON output.
Convert JSON arrays into CSV format quickly.
Format XML with proper indentation and line breaks.
Validate XML syntax and document structure.
Convert XML documents into JSON format.
Convert JSON data into XML structure.
Build cron expressions with a guided editor.
Compare two cron expressions and spot differences.
Calculate upcoming run times from a cron schedule.
Detect overlapping jobs in cron schedules quickly.
Estimate execution windows for recurring cron jobs.
Visualize cron schedules on a timeline chart.
Showing 30 of 207 tools
Free Online Tools for Everyday Tasks
ZonoTools is a collection of 216+ free online tools designed to help developers, designers, and creators work faster and smarter. Everything is simple, fast, and privacy-friendly.